Julkaisuja löytyi 229

Muuta esitystapaa

valintalista kirjallisuusviite

Angle-resolved measurements and modelling of diffuse reflectance and luminescence

Tekijät: Jaanson, Priit
Aalto University publication series : Doctoral dissertations; VTT Science : 164 : 195
Aalto University, Espoo, 2017
Opinnäyte: Master's thesis
Asiasanat: reflectance, luminescence, bidirectional reflectance distribution function, bidirectional, reflectance factor, radiance factor, bispectral luminescent radiance factor, quantum, efficiency

Effect of handling, packing and transportation on the moisture of timber wood

Tekijät: Pálková, Zuzana; Rudolfová, Martina; Georgin, Eric; Ben Ayoub, Mohammed W.; Fernicola, Vito; Beltramino, Giulio; Ismail, Nabila; Gelil, Doaa abd El; Choi, Byungil; Heinonen, Martti
XIII Symposium on Temperature & Thermal Measurements in Industry and Science, TEMPMEKO 2016, 26 June - 1 July 2016, Zakopane, Poland
International Journal of Thermophysics. Springer US. Vol. 38 (2017) No: 10
Asiasanat: effect of ambient humidity, moisture content, timber wood, transportation, wood handling
DOI: 10.1007/s1076

Fisheye camera method for spatial non-uniformity corrections in luminous flux measurements with integrating spheres

Tekijät: Kokka, Alexander; Pulli, Tomi; Poikonen, Tuomas; Askola, Janne; Ikonen, Erkki
Metrologia. IOP Publishing. Vol. 54  (2017) No: 4, 577-583
Asiasanat: angular intensity distribution, fisheye camera, integrating sphere, luminous flux, measurement uncertainty, photometry, spatial correction
DOI: 10.1088/1681-7575/aa7cb7

Method for estimating effects of unknown correlations in spectral irradiance data on uncertainties of spectrally integrated colorimetric quantities

Tekijät: Kärhä, Petri; Vaskuri, Anna; Mäntynen, Henrik; Mikkonen, Nikke; Ikonen, Erkki
Metrologia. IOP Publishing. Vol. 54  (2017) No: 4, 524-534
Asiasanat: color coordinates, color temperature, Monte Carlo, spectral irradiance, uncertainty
DOI: 10.1088/1681-7575/aa7b39

Experimental demonstration of a predictable single photon source with variable photon flux

Tekijät: Vaigu, Aigar; Porrovecchio, Geiland; Chu, Xiao-Liu; Lindner, Sarah; Smid, Marek; Manninen, Albert; Becher, Christoph; Sandoghdar, Vahid; Götzinger, Stephan; Ikonen, Erkki
Matrologia. IOP Publishing . Vol. 54 (2017) No: 2, 218-223
Asiasanat: low optical flux detector, photon on demand, silicon vacancy centrer, single photon metrology, single photon sources
DOI: 10.1088/1681-7575/aa5ba2

Nonlinearity characterization of array spectroradiometers for the solar UV measurements

Tekijät: Pulli, Tomi; Nevas, Saulius; El Gawhary, Omar; van den Berg, Steven; Askola, Janne; Kärhä, Petri; Manoocheri, Farshid; Ikonen, Erkki
Applied Optics. OSA Publishing. Vol. 56 (2017)  No: 11, 3077
DOI: 10.1364/AO.56.003077

Characterization of the Humidity Calibration Chamber by Numerical Simulations

Tekijät: Salminen, J.; Sairanen, H.; Grahn, P.; Högström, R.; Lakka, A.; Heinonen, M.
International Journal of Thermophysics.  Springer. Vol. 38 (2017) No: 6, Article number 84
Asiasanat: calibration, calibration chamber, Comsol, FEM, cinite element method, humidity calibration, multiphysics, simulation, surface chemistry
DOI: 10.1007/s10765-017-2221-y

Facility for determining action spectra of UV photodegradation

Tekijät: Vaskuri, Anna; Kärhä, Petri; Heikkilä, Anu; Ikonen, Erkki
International Radiation Symposium 2016, Radiation Processes in the Atmosphere and Ocean, IRS 2016, 16 - 22 April 2016, Auckland, New Zealand
Radiation Processes in the Atmosphere and Ocean (IRS2016)
AIP Conference Proceedings : 1810
AIP Publishing, 2017, 4 p.
DOI: 10.1063/1.4975573

Monte Carlo analysis of uncertainty of total atmospheric ozone derived from measured spectra

Tekijät: Kärhä, Pertti; Vaskuri, Anna; Gröbner, Julian; Egli, Luca; Ikonen, Erkki
International Radiation Symposium 2016, Radiation Processes in the Atmosphere and Ocean, IRS 2016, 16 - 22 April 2016, Auckland, New Zealand
Radiation Processes in the Atmosphere and Ocean (IRS2016)
AIP Conference Proceedings : 1810
American Institute of Physics,  2017, 5 p.
DOI: 10.1063/1.4975567

Atomic force microscope adhesion measurements and atomistic molecular dynamics simulations at different humidities

Tekijät: Seppä, Jeremias; Reischl, Bernhard; Sairanen, Hannu; Korpelainen, Virpi; Husu, Hannu; Heinonen, Martti; Raiteri, Paolo; Rohl, Andrew L.; Nordlund, Kai; Lassila, Antti
Measurement Science and Technology .  IOP. Vol. 28 (2017) No: 3, 10 p.
Asiasanat: adhesion, atomic force microscopy, capillary effects, force measurement, humidity, metrology
DOI: 10.1088/1361-6501/28/3/034004

Mathematical limitations of the CIE mesopic photometry system

Tekijät: Shpak, Maksim; Kärhä, Petri; Ikonen, Erkki
Lighting Research and Technology . Sage Publications. Vol. 49 (2017)  No: 1, 111-121
Asiasanat: photometry, mesopic, vision
DOI: 10.1177/1477153515599436

EURAMET.M.P-S9: comparison in the negative gauge pressure range -950 to 0 hPa FINAL REPORT

Tekijät: Saxholm, Sari; Otal, Pierre; Altintas, Aykurt; Grgec Bermanec, Lovorka; Durgut, Yasin; Hanrahan, Rory; Kocas, Ilknur; Lefkopoulos, Alexandros; Prazák, Dominik; Sandu, Ion; Setina, Janez; Spohr, Isabel; Steindl, Dietmar; Tammik, Kristjan; Testa, Nicola
Metrologia, Technical Supplement . IOP. Vol. 53 (2016), 07010
Asiasanat: comparison, pressure, negative gauge pressure
DOI: 10.1088/0026-1394/53/1A/07010
http://www.bipm.org/utils/common/pdf/fi nal_reports/M/P-S9/EURAMET.M.P-S9_Final_Report.pdf

Final report on the supplementary comparison, EURAMET.M.P-S7 (EURAMET project 1040) in the pressure range from 1centerdot10-4 Pa to 0.9 Pa

Tekijät: Wüthrich, C.; Alisic, S.; Bergoglio, M.; Saxholm, S.; Lefkopoulos, A.; Prazák, D.; Setina, J.
Metrologia, Technical Supplement . IOP. Vol. 53 (2016), 07013
Asiasanat: comparison, vacuum, pressure, spinning rotor gauge
DOI: 10.1088/0026-1394/53/1A/07013
http://www.bipm.org/utils/common/pdf/final_reports/M/P-S7/EURAMET.M.P-S7.pdf

A reference material with close to Lambertian reflectance and fluorescence emission profiles

Tekijät: Jaanson, Priit; Pulli, Tomi; Manoocheri, Farshid; Ikonen, Erkki
Metrologia. IOP Publishing. Vol. 53 (2016)  No: 6, 1330-1338
Asiasanat: fluorescence, reference standard, Lambertian, angle resolved, goniometrical, radiance factor, bispectral luminescent radiance facto
DOI: 10.1088/0026-1394/53/6/1330

Natural and accelerated ageing of LED lamps

Tekijät: Baumgartner, Hans; Renoux, Dominique; Kärhä, Petri; Poikonen, Tuomas; Pulli, Tomi; Ikonen, Erkki
Lighting Research and Technology . SAGE Publications Ltd. Vol. 48 (2016)  No: 8, 930-942
Asiasanat: engineering research , accelerated method, early prediction, LEd lamps, long term tests, luminous flux, natural and accelerated ageing, nocv1
DOI: 10.1177/1477153515603757

Comparison of the performance of a microwave-based and an NMR-based biomaterial moisture measurement instrument

Tekijät: Österberg, Petri; Heinonen, Martti; Ojanen-Saloranta, Maija; Mäkynen, Anssi
ACTA IMEKO. IMEKO. Vol. 5 (2016)  No: 4, 88-99
Asiasanat: moisture measurement , bioenergy, microwave, NMR, loss-on-drying
DOI: 10.21014/acta_imeko.v5i4.391

Temperature invariant energy value in LED spectra

Tekijät: Baumgartner, Hans; Vaskuri, Anna; Kärhä, Petri; Ikonen, Erkki
Applied Physics Letters. AIP Publishing. Vol. 109  (2016) No: 23, Article number 231103
DOI: 10.1063/1.4971831

New gravimetric national standard for water flow measurements in Finland

Tekijät: Huovinen, Mika; Koponen, Petri
17th International Flow Measurement Conference, FLOMEKO 2016, 26 - 29 September 2016, Sydney, Australia
Proceedings. Metrology Society of Australasia (2016), 6 p.

Pre-stabilization of a distributed feedback diode laser for locking to a high-finesse cavity

Tekijät: Fordell, T.; Wallin, A.E.; Lindvall, T.; Merimaa, M.
Conference on Precision Electromagnetic Measurements, CPEM 2016, 10 - 15 July 2016, Ottawa, Canada
Conference Digest. IEEE (2016), 7540698
Asiasanat: Laser stabilization , linewidth reduction, optical clocks, semiconductor lasers, ultra-stable lasers
DOI: 10.1109/CPEM.2016.7540698

Frequency Comparison of 171 +Ion Optical Clocks at PTB and NPL via GPS PPP

Tekijät: Leute, Julia; Huntemann, Nils; Lipphardt, Burghard; Tamm, Chr H. R.; Nisbet-Jones, Peter B. R.; King, Steven; Godun, Rachel M.; Jones, Joshua M.; Margolis, Helen S.; Whibberley, Peter B.; Wallin, Anders E.; Merimaa, Mikko; Gill, Patrick; Peik, Ekkehard
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. Institute of Electrical and Electronics Engineers Inc. IEEE. Vol. 63 (2016) No: 7 , 981-985
Asiasanat: gps, ppp, optical clock, frequency comparison, time transfer, frequency transfer, ion clock
DOI: 10.1109/TUFFC.2016.2524988

White rabbit precision time protocol on long distance fiber links

Tekijät: Dierikx, Erik F.; Wallin, Anders E.; Fordell, Thomas; Myyry, Jani; Koponen, Petri; Merimaa, Mikko; Pinkert, Tjeerd J.; Koelemeij, Jeroen C. J.; Peek, Henk Z.; Smets, Rob
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. Institute of Electrical and Electronics Engineers Inc.IEEE. Vol. 63 (2016) No: 7 , 945-952
Asiasanat: time transfer, frequency transfer, optical fiber, white rabbit, precision time protocol, ptp
DOI: 10.1109/TUFFC.2016.2518122

Optical aperture area determination for accurate illuminance and luminous efficacy measurements of LED lamps

Tekijät: Dönsberg, Timo; Mäntynen, Henrik; Ikonen, Erkki
Optical Review. Springer. Vol. 23 (2016) No: 3 , 510-521
Asiasanat:  Predictable quantum efficient detector, Aperture area, Diffraction, Numerical simulation, Illuminance, LED
DOI: 10.1007/s10043-016-0181-2

Calibration of surface roughness standards

Tekijät: Thalmann, R.; Nicolet, A.; Meli, F.; Picotto, G.B.; Matus, M.; Carcedo, L.; Hemming, B.; Ganioglu, O.; De Chiffre, L.; Saraiva, F.; Bergstrand, S.; Zelenika, S.; Tonmueanwai, A.; Tsai, C-L.; Shihua, W.; Kruger, O.; de Souza, M.M.; Salgado, J.A.; Ramotowski, Z.
Metrologia, Technical Supplement. IOP. Vol. 53 (2016), 04001
DOI: 10.1088/0026-1394/53/1A/04001

Goniometrical measurements of fluorescence quantum efficiency

Tekijät: Jaanson, Priit; Manoocheri, Farshid; Ikonen, Erkki
Measurement Science and Technology. IOP Publishing. Vol. 27  (2016) No: 2, 025204, 8 p.
Asiasanat: fluorescence, quantum yield, quantum efficiency, bispectral luminescent radiance factor, uncertainty, Lambertian
DOI: 10.1088/0957-0233/27/2/025204

MIKES' primary phase stepping gauge block interferometer

Tekijät: Byman, Ville; Lassila, Antti
Measurement Science and Technology. IOP Publishing. Vol. 26 (2015) No: 8 , 084009, 9 p.
Asiasanat: gauge block, interferometer, phase stepping, wavefront error, length, flatness
DOI: 10.1088/0957-0233/26/8/084009

Wave front and phase correction for double-ended gauge block interferometry

Tekijät: Lassila, Antti; Byman, Ville
Metrologia. IOP Publishing. Vol. 52 (2015) No: 5, 708-716
Asiasanat: gauge block, interferometer, phase stepping, wavefront error, phase correction, surface roughness, length
DOI: 10.1088/0026-1394/52/5/708

Modeling the spectral shape of InGaAlP-based red light-emitting diodes

Tekijät: Vaskuri, Anna; Baumgartner, Hans; Kärhä, Petri; Andor, György; Ikonen, Erkki
Journal of Applied Physics. AIP Publishing . Vol. 118 (2015) No: 20, 203103
DOI: 10.1063/1.4936322

High AC current calibration system based on Rogowski coil

Tekijät: Havunen, Jussi; Suomalainen, Esa-Pekka; Hällström, Jari
19th International Symposium on High Voltage Engineering, ISH 2015, 23 - 28 August 2015, Pilsen, Czech Republic
Book of Abstracts (full paper in conf. USB memory stick). University of West Bohemia (2015), 6 p.
Asiasanat: metrology, calibration, measurement, Rogowski coil, high current

Analysis of thermal radiation in ion traps for optical frequency standards

Tekijät: Dolezal, M.; Balling, P.; Nisbet-Jones, P. B. R.; King, S. A.; Jones, J. M.; Klein, H. A.; Gill, P.; Lindvall, T.; Wallin, A. E.; Merimaa, M.; Tamm, C.; Sanner, C.; Huntemann, N.; Scharnhorst, N.; Leroux, I. D.; Schmidt, P. O.; Burgermeister, T.; Mehlstäubler, T. E.; Peik, E.
Metrologia . IOP Publishing. Vol. 52 (2015) No: 6,  842-856
Asiasanat: blackbody radiation shift, ion traps, optical atomic clocks, ion clocks, thermal and high frequency finite element method modelling
DOI: 10.1088/0026-1394/52/6/842

High-resolution setup for measuring wavelength sensitivity of photoyellowing of translucent materials

Tekijät: Vaskuri, Anna; Kärhä, Petri; Heikkilä, Anu; Ikonen, Erkki
Review of Scientific Instruments. American Institute of Physics . Vol. 86 (2015) No: 10, 103103, 8 p.
DOI: 10.1063/1.4931682

Interference cancellation for hollow-core fiber reference cells

Tekijät: Seppä, Jeremias; Merimaa, Mikko; Manninen, Albert; Triches, Marco; Hald, Jan; Lassila, Antti
IEEE Transactions on Instrumentation and Measurement. IEEE. Vol. 64 (2015) No: 6,  1595-1599
Asiasanat: Frequency measurement standards, infrared spectra, interference cancellation, measurement techniques, metrology, optical fiber, spectroscopy
DOI: 10.1109/TIM.2015.2408800

Compact two-element transmission trap detector for 1550 nm wavelength

Tekijät: Vaigu, Aigar; Kübarsepp, Toomas; Manoocheri, Farshid; Merimaa, Mikko; Ikonen, Erkki
Measurement Science and Technology .  Institute of Physics Publishing. Vol. 26 (2015) No: 5 , 1-6
Asiasanat: infrared, InGaAs, metrology, photodetectors, polarization insensitive detector, transmission trap detector, trap detector
DOI: 10.1088/0957-0233/26/5/055901

Broadband, unpolarized repumping and clearout light sources for Sr+ single-ion clocks

Tekijät: Fordell, T.; Lindvall, T.; Dubé, P.; Madej, A. A.; Wallin, A. E.; Merimaa, M.
Optics Letters. Optical Society of America . Vol. 40 (2015) No: 8, 1822-1825
Asiasanat: spectroscopy, trapped ion, metrology, fiber optics, fiber devices and optical amplifiers
DOI: 10.1364/OL.40.001822

Linear and traceable scales for nanometrology

Tekijät: Seppä, Jeremias
Aalto University publication series: Doctoral Dissertations : 176/2014
Aalto University, 2014 , 82 p. + app. 64 p.
Opinnäyte: Dissertation
Asiasanat: nanometrology, interferometry, nonlinearity, linear, diffractometry, laser, capacitive, metrology, AFM, SSWLI
http://urn.fi/URN:ISBN:978-952-60-5943-3

Metrological developments for aerosol and mass measurements

Tekijät: Högström, Richard
Aalto University publication series: Doctoral Dissertations : 212/2014
Aalto University, 2014 , 58 s. + app. 52 p.
Opinnäyte: Dissertation
Asiasanat: filter artefact, inter-comparison, particle number concentration, primary standard, surface contamination, uncertainty evaluation
http://urn.fi/URN:ISBN:978-952-60-6027-9

Traceability for nanometre scale measurements: Atomic force microscopes in dimensional nanometrology

Tekijät: Korpelainen, Virpi
. University of Helsinki . Espoo (2014), 61 p.
Opinnäyte: Dissertation
Asiasanat: metrology, reliability
http://www.vtt.fi/inf/pdf/MIKES/2014-J2.pdf

Frequency-comb-referenced tunable diode laser spectroscopy and laser stabilization applied to laser cooling

Tekijät: Fordell, Thomas; Wallin, Anders E.; Lindvall, Thomas; Vainio, Markku; Merimaa, Mikko
Applied Optics. Optical Society of America. Vol. 53 (2014) No: 31, 7476-7482
Asiasanat: laser stabilization , lasers, distributed-feedback, laser cooling, spectroscopy, diode lasers, spectroscopy, saturation
DOI: 10.1364/AO.53.007476

Performance of a wideband 200-kV HVDC reference divider module

Tekijät: Hällström, Jari; Bergman, Anders; Dedeoglu, Serkan; Elg, Alf-Peter; Houtzager, Ernest; Lucas, Wolfgang; Merev, Ahmet; Meisner, Johann; Schmidt, Matthias; Suomalainen, Esa-Pekka; Weber, Christian
IEEE Transactions on Instrumentation and Measurement. IEEE. Vol. 63 (2014) No: 9, 2264 - 2270
Asiasanat: high-voltage techniques, measurement standards, voltage dividers
DOI: 10.1109/TIM.2014.2304857

Towards a graphene-based quantum impedance standard

Tekijät: Kalmbach, C.-C.; Schurr, J.; Ahlers, F.J.; Müller, A.; Novikov, S.; Lebedeva, N.; Satrapinski, A.
Applied Physics Letters. AIP Publishing. Vol. 105 (2014) No: 7, 073511, 4 p.
Asiasanat: graphene, semiconductors, electrical resistivity, quantum measurement theory, alternating current
DOI: 10.1063/1.4893940

Characterization of aluminum oxide tunnel barriers by combining transport measurements and transmission electron microscopy imaging

Tekijät: Aref, T.; Averin, A.; van Dijken, S.; Ferring, A.; Koberidze, M.; Maisi, V.F.; Nguyend, H.Q.; Nieminen, R.M.; Pekola, J.P.; Yao, L.D.
Journal of Applied Physics. AIP Publishing. Vol. 116  (2014) No: 7, 073702, 4 p.
Asiasanat: electron microscopy , tunneling, aluminium, copper, tunnel junctions
DOI: 10.1063/1.4893473

Experimental observation of the role of mutual information in the nonequilibrium dynamics of a Maxwell demon

Tekijät: Koski, J.V.; Maisi, V.F.; Sagawa, T.; Pekola, J.P.
Physical Review Letters. American Physical Society. Vol. 113  (2014) No: 3, 030601, 5 p.
Asiasanat: thermodynamics
DOI: 10.1103/PhysRevLett.113.030601

Validation of a blackbody comparator-based system for thermocouple calibration

Tekijät: Ojanen, M.; Hahtela, O.; Heinonen, M.
International Journal of Thermophysics. Springer. Vol. 35 (2014)  No: 3-4, 526 - 534
Asiasanat: thermodynamics, thermocouple calibration, filter radiometer, modeling, blackbody comparator, simulation
DOI: 10.1007/s10765-014-1565-9

Enhancement factor for water vapor: Pressure correction in humid methane

Tekijät: Sairanen, H.A.; Heinonen, M.O.
International Journal of Thermophysics. Springer. Vol. 35 (2014) No: 6-7 , 1280 - 1289
Asiasanat: dew-point temperature , enhancement factor, humidity, methane, natural gas
DOI: 10.1007/s10765-014-1720-3

First comprehensive inter-comparison of aerosol electrometers for particles sizes up to 200 nm and concentration range 1000 cm-³ to 17 000 cm-³

Tekijät: Högström, Richard; Quincey, Paul; Sarantaridis, Dimitris; Lüönd, Felix; Nowak, Andreas; Riccobono, Francesco; Tuch, Thomas; Sakurai, Hiromu; Own, Miles; Heinonen, Martti; Keskinen, Jorma; Yli-Ojanperä, Jaakko
Metrologia. IOP. Vol. 51 (2014) No: 3, 293 - 303
Asiasanat: aerosols, electrometers, particles, measurements, comparison
DOI: 10.1088/0026-1394/51/3/293

Calibration of industrial platinum resistance thermometers up to 700°C

Tekijät: Hahtela, O.; Heinonen, M.; Kajastie, H.; Ojanen, M.; Riski, K.; Strnad, R.
International Journal of Thermophysics. Springer . Vol. 35 (2014) No: 3-4, 668 - 680
Asiasanat: calibration, thermometers, temperatures
DOI: 10.1007/s10765-014-1588-2

Comparison of air temperature calibrations

Tekijät: Heinonen, M.; Anagnostou, M.; Bartolo, J.; Bell, S.; Benyon, R.; Bergerud, R.A.; Bojkovski, J.; Böse, N.; Dinu, C.; Smorgon, D.; Flakiewicz, K.; Martin, M.J.; Nedialkov, S.; Nielsen, M.B.; Oguz Aytekin, S.; Otych, J.; Pedersen, M.; Rujan, M.; Testa, N.; Turzó-András, E.; Vilbaste, M.; White, M.
International Journal of Thermophysics. Springer . Vol. 35 (2014) No: 6-7, 1251 - 1272
Asiasanat: air temperature, calibration, EURAMET, heat transfer, intercomparison
DOI: 10.1007/s10765-014-1654-9

An accurate single-electron pump based on a highly tunable silicon quantum dot

Tekijät: Rossi, Alessandro; Tanttu, Tuomo; Tan, Kuan Yen; Iisakka, Ilkka; Zhao, Ruichen; Chan, Kok Wai; Tattamazzi, Giuseppe C.; Rogge, Sven; Dzurak, Andrew S.; Möttönen, Mikko
Nano Letters. ACS Publications . Vol. 14 (2014) No: 6, 3405 - 3411
Asiasanat: nanoelectronics, silicon, quantum dot, single-electron pump, electrical current standard, metrology
DOI: 10.1021/nl500927q

Hygrometer-based calibration method for syringe pumps providing ultra-low liquid flows

Tekijät: Sairanen, Hannu A.; Heinonen, Martti O.
Microfluidics and Nanofluidics. Springer. Vol. 16 (2014) No: 1-2 , 187 - 193
Asiasanat: microflow, nanoflow, syringe pumps, hygrometers, calibration, traceability
DOI: 10.1007/s10404-013-1233-6

High-power mid-infrared frequency comb from a continuous-wave-pumped bulk optical parametric oscillator

Tekijät: Ulvila, Ville; Phillips, C.R.; Halonen, Lauri; Vainio, Markku
Optics Express. The Optical Society. Vol. 22 ( 2014) No: 9, 10535 - 10543
Asiasanat: parametric oscillators, self-action effects, nonlinear optics, nonlinear wave mixing
DOI: 10.1364/OE.22.010535

Intercomparison of lateral scales of scanning electron microscopes and atomic force microscopes in research institute in Northern Europe

Tekijät: Seppä, Jeremias; Korpelainen, Virpi; Bergstrand, Sten; Karlsson, Helge; Lillepea, Lauri; Lassila, Antti
Measurement Science and Technology. IOP. Vol. 25 (2014) No: 4, 044013 , 7 p.
Asiasanat: scanning electron microscopes, atomic force microscopes, comparison, scale, calibration
DOI: 10.1088/0957-0233/25/4/044013

Validation for a new apparatus measuring water vapour enhancement factors up to 6 MPa

Tekijät: Sairanen, H.; Heinonen, M.
Measurement Science and Technology. IOP. Vol. 25 (2014) No: 3, 035301 , 8 p.
Asiasanat: dew-point temperature , enhancement factor, humidity, methane, air
DOI: 10.1088/0957-0233/25/3/035301

Tunnneling and relaxation of single quasiparticles in a normal-superconductor-normal single-electron transistor

Tekijät: Heimes, Andreas; Maisi, Ville F.; Golubev, Dimitri S.; Marhaler, Michael; Schön, Gerd; Pekola, Jukka P.
Physical Review B.  American Physical Society. Vol. 89 (2014) No: 1,  014508
DOI: 10.1103/PhysRevB.89.014508

Full counting statistics of Andreev tunneling

Tekijät: Maisi, Ville F.; Kambly, Dania; Flindt, Christian; Pekola, Jukka P.
Physical Review Letters. American Physical Society . Vol. 112 (2014) No: 3, 036801
Asiasanat: superconductors, electrons
DOI: 10.1103/PhysRevLett.112.036801

Scatterometer for characterization of diffractive optical elements

Tekijät: Husu, H.; Saastamoinen, T.; Laukkanen, J.; Siitonen, S.; Turunen, J.; Lassila, A.
Measurment Science and Technology. IOP . Vol. 25 (2014) No: 4, 044019, 8 p.
Asiasanat: optical diffraction gratings, metrology, nanotechnology, nanomaterials
DOI: 10.1088/0957-0233/25/4/044019

Photoyellowing revisited: Determination of an action spectrum of newspaper

Tekijät: Heikkilä, Anu; Kärhä, Petri
Polymer Degradation and Stability. Elsevier. Vol. 99 (2014), 190 - 195
Asiasanat: ultraviolet radiation , photoyellowing, action spectrum, degradtion
DOI: 10.1016/j.polymdegradstab.2013.11.006

Use of the predictable quantum efficient detector with light sources of uncontrolled state of polarization

Tekijät: Sildoja, Meelis; Dönsberg, Timo; Mäntynen, Henrik; Merimaa, Mikko; Manoocheri, Farshid; Ikonen, Erkki
Measurement Science and Technology. IOP. Vol. 25 (2014) No: 1, 015203 , 7 p.
Asiasanat: radiometry, silicon photodiodes, optical metrology, optical standards, polarization
DOI: 10.1088/0957-0233/25/1/015203

Adsorption of ammonia on treated stainless steel and polymer surfaces

Tekijät: Vaittinen, O.; Metsälä, M.; Persijn, S.; Vainio, M.; Halonen, L.
Applied Physics B. Springer. Vol. 115 (2014)  No: 2, 185 - 196
Asiasanat: physical chemistry, laser technology, quantum optics, polymers, coatings, adsorption
DOI: 10.1007/s00340-013-5590-3

Characterization of epitaxial and CVD graphene with double metal-graphene

Tekijät: Novikov, S.; Hämäläinen, Joni; Walden, J.; Iisakka, Ilkka; Lebedeva, N.; Satrapinski, Alexandre
16th International Congress of Metrology, 7 - 10 October 2013, Paris, France
Proceedings. EDP Sciences  (2013), Article no 13003, 4 p.
Asiasanat: graphene, gas sensing, sensitivity, nitrogen dioxide, ozone, environmental monitoring
DOI: 10.1051/metrology/201313003

International timescales with optical clocks (ITOC)

Tekijät: Margolis, H. S.; Godun, R. M.; Gill, P.; Johnson, L. A. M.; Shemar, S. L.; Whibberley, P. B.; Denker, H.; Timmen, L.; Voigt, C.; Calonico, D.; Lorini, L.; Pizzocaro, M.; Falke, S.; Piester, D.; Lisdat, D.; Sterr, U.; Weyers, S.; Delva, P.; Bize, S.; Achkar, J.; Gersl, J.; Lindvall, T.; Merimaa, M.
Joint European Frequency and Time Forum and International Frequency Control Symposium, EFTF/IFC 2013, 21 - 25 July 2013, Czech Republic
Proceedings. IEEE (2013), 908-911
DOI: 10.1109/EFTF-IFC.2013.6702183

A new challenge for meteorological measurements: The MeteoMet project - Metrology for meteorology

Tekijät: Merlone, A.; Lopardo, G.; Antonsen, I.; Bell, S.; Benyon, R.; Boese, N.; del Campo, D.; Dobre, M.; Drnovsek, J.; Elkatmis, A.; Georgin, E.; Grudniewicz, E.; Heinonen, M.; Holstein-Rathlou, C.; Johansson, J.; Klason, P.; Knorova, R.; Melvad, C.; Merrison, J.; Migala, K.; de Podesta, M.; Saathoff, H.; Smorgon, D.; Sparasci, F.; Strnad, R.; Szmyrka-Grzebyk, A.; Vuillermoz, E.
9th International Temperature Symposium, ITS9, 19 - 23 March 2012, Los Angeles, CA, USA
Temperature: Its Measurement and Control in Science and Industry, Volume 8
AIP Confenrence Proceedings : 1552
AIP Publishing, 2013, 1030 - 1035
Asiasanat: climate change, meteorology, metrology, temperatures
DOI: 10.1063/1.4821419

Blackbody comparator for thermocouple calibration

Tekijät: Ojanen, M.; Hahtela, O.M.; Heinonen, M.
9th International Temperature Symposium, ITS9, 19 - 23 March 2012, Los Angeles, CA, USA
Temperature: Its Measurement and Control in Science and Industry, Volume 8
AIP Conference Proceedings : 1552
AIP Publishing, 2013 , 468 - 473
Asiasanat: thermocouples, calibration, comparators, thermometers, emissivity
DOI: 10.1063/1.4821391

Novel laser spectroscopic technique for continuous analysis of N2O isotopomers: Application and intercomparison with isotope ratio mass spectrometry

Tekijät: Köster, Jan Reent; Well, Reinhard; Tuzson, Béla; Bol, Roland; Dittert, Klaus; Giesemann, Anette; Emmenegger, Lukas; Manninen, Albert; Cárdenas, Laura; Mohn, Joachim
Rapid Communications in Mass Spectrometry . Wiley. Vol. 27 (2013) No: 1, 216 - 222
Asiasanat: laser spectroscopy, nitrous oxide
DOI: 10.1002/rcm.6434

Linear and nonlinear properties of high-quality L-shaped gold nanoparticles

Tekijät: Czaplicki, Robert; Zdanowicz, Mariusz; Koskinen, Kalle; Husu, Hannu; Laukkanen, Janne; Kuittinen, Markku; Kauranen, Martti
Nonlinear Optics, Quantum Optics. Old City Publishing. Vol. 45 (2013)  No: 1-2, 71 - 83
Asiasanat: nonlinear optics, second-harmonic generation, metal nanoparticles, multipole effects, plasmons, higher-order resonances
http://www.oldcitypublishing.com/pdf/3145

Sensitivity optimization of epitaxial graphene-based gas sensors

Tekijät: Novikov, Sergey; Satrapinski, Alexandre; Lebedeva, Natalia; Iisakka, Ilkka
IEEE Transactions on Instrumentation and Measurement. IEEE. Vol. 62 (2013) No: 6, 1859 - 1864
Asiasanat: epitaxial graphene, gas sensors, graphene fabrication, measurement techniques, sensitivity measurements
DOI: 10.1109/TIM.2013.2253913

Compact multipass optical cell for laser spectroscopy

Tekijät: Tuzson, Béla; Mangold, Markus; Looser, Herbert; Manninen, Albert; Emmenegger, Lukas
Optics Letters. Optical Society of America . Vol. 38 (2013) No: 3, 257 - 259
DOI: 10.1364/OL.38.000257

Unpolarized, incoherent repumping light for prevention of dark states in a trapped and laser-cooled single ion

Tekijät: Lindvall, T.; Fordell, T.; Tittonen, I.; Merimaa, M.
Physical Review A. American Physical Society. Vol. 87 (2013)  No: 1, 013439
DOI: 10.1103/PhysRevA.87.013439

Changes in the cross-country ski base properties resulting from the ski use

Tekijät: Puukilainen, Esa; Ohtonen, Olli; Lemmettylä, Teemu; Linnamo, Vesa; Hemming, Björn; Laurila, Toni; Tapio, Salla; Räsänen, Markku; Ritala, Mikko; Leskelä, Markku
Sports Engineering. Springer . Vol. 16 (2013) No: 4, 229 - 238
Asiasanat: ski bases, topography, crystallinity, wettability, sliding friction
DOI: 10.1007/s12283-013-0135-x

Single-electron current sources: toward a refined definition of the ampere

Tekijät: Pekola, Jukka P.; Saira, Olli-Pentti; Maisi, Ville F.; Kemppinen, Antti; Möttönen, Mikko; Pashkin, Yuri A.; Averin, Dmitri V.
Reviews of Modern Physics. American Physical Society. Vol. 85  (2013) No: 4, 1421
DOI: 10.1103/RevModPhys.85.1421

Excitation of single quasiparticles in a small superconducting Al island connected to normal-metal leads by tunnel junctions

Tekijät: Maisi, V.F.; Lotkhov, S.V.; Kemppinen, A.; Heimes, A.; Muhonen, J.T.; Pekola, J.P.
Physical Review Letters. American Physical Society. Vol. 111 (2013) No: 14, 147001
DOI: 10.1103/PhysRevLett.111.147001

Final report on EURAMET.T-K6.1: Bilateral comparison of the realisations of local dew/frost-point temperature scales in the range -70°C to +20°C

Tekijät: Heinonen, Martti; Zvizdic, Davor; Sestan, Danijel
Metrologia. IOP. Vol. 50 (2013) No: Technical Supplement, 03009, 40 p.
Asiasanat: measurement, temperatures
DOI: 10.1088/0026-1394/50/1A/03009

The effect of water contamination on the dew-point temperature scale realization with humidity generators

Tekijät: Vilbaste, M.; Heinonen, M.; Saks, O.; Leito, I.
Metrologia. IOP. Vol. 50 (2013) No: 4, 329 - 336
Asiasanat: contamination, temperatures, humidity generators
DOI: 10.1088/0026-1394/50/4/329

Quasidynamic calibration of stroboscopic scanning white light interferometer with a transfer standard

Tekijät: Seppä, Jeremias; Kassamakov, Ivan; Heikkinen, Ville; Nolvi, Anton; Paulin, Tor; Lassila, Antti; Hægström, Edward
Optical Engineering. SPIE. Vol. 52 (2013) No: 12,  124104, 6 p.
Asiasanat: stroboscopic scanning , white light, interferometry, MEMS, nanoelectromechanical systems, calibration
DOI: 10.1117/1.OE.52.12.124104

Leakage current of a superconductor: Normal metal tunnel junction connected to a high-temperature environment

Tekijät: di Marco, A.; Maisi, V.F.; Pekola, J.P.; Hekking, F.W.J.
Physical Review B. American Physical Society. Vol. 88 ( 2013) No: 17, 174507
Asiasanat: superconductors
DOI: 10.1103/PhysRevB.88.174507

Precision quantum Hall resistance measurement on epitaxial graphene device in low magnetic field

Tekijät: Satrapinski, A.; Novikov, S.; Lebedeva, N.
Applied Physics Letters. AIP. Vol. 103 (2013) No: 17 , 173509, 4 p.
Asiasanat: graphene, carrier density, magnetic fields, ultraviolet light, electric measurements
DOI: 10.1063/1.4826641

Predictable quantum efficient detector: II. Characterization and confirmed responsivity

Tekijät: Müller, Ingmar; Johannsen, Uwe; Linke, Ulrike; Socaiciu-Siebert, Liana; Smîd, Marke; Porrovechio, Geiland; Sildoja, Meelis; Manoocheri, Farshid; Ikonen, Erkki; Gran, Jarle; Kübarsepp, Toomas; Brida, Giorgio; Werner, Lutz
Metrologia. IOP Publishing. Vol. 50  (2013) No: 4, 395 -401
Asiasanat: quantum optics, measurement, instrumentation
DOI: 10.1088/0026-1394/50/4/395

Predictable quantum efficient detector: I. Photodiodes and predicted responsivity

Tekijät: Sildoja, Meelis; Manoocheri, Farshid; Merimaa, Mikko; Ikonen, Erkki; Müller, Ingmar; Werner, Lutz; Gran, Jarle; Kübarsepp, Toomas; Smîd, Marek; Rastello, Maria Luisa
Metrologia. IOP Publishing . Vol. 50 (2013) No: 4, 385 - 394
DOI: 10.1088/0026-1394/50/4/385

Spectrally adjustable quasi-monochromatic radiance source based on LEDs and its application for measuring spectral responsivity of a luminance meter

Tekijät: Hirvonen, Juha-Matti; Poikonen, Tuomas; Vaskuri, Anna; Kärhä, Petri; Ikonen, Erkki
Measurement Science and Technology. IOP Publishing. Vol. 24 (2013) No: 11, 115201, 8 p.
Asiasanat: quantum optics, instrumentation, measurement, photometers
DOI: 10.1088/0957-0233/24/11/115201

A method for optimizing the cosine response of solar UV diffusers

Tekijät: Pulli, Tomi; Kärhä, Petri; Ikonen, Erkki
Journal of Geophysical Reserarch: Atmospheres. Wiley. Vol. 118 (2013)  No: 14, 7897 - 7904
Asiasanat: solar UV, cosine response, diffusers, Monte Carlo
DOI: 10.1002/jgrd.50642

Improved diffusers for solar UV spectroradiometers

Tekijät: Pulli, Tomi; Kärhä, Petri; Mes, Joop; Schreder, Josef; Jaanson, Priit; Manoocheri, Farshid
Proceedings of the International Radiation Symposium (IRC/IAMAS), IRS 2012, 6 - 10 August 2012, Berlin, Germany
Radiation Processes in the Atmosphere and Ocean
AIP Conference Proceedings : 1531
AIP Publishing, 2013, 813 - 816
Asiasanat: radiometry, solar UV, diffusers, Monte Carlo analysis
DOI: 10.1063/1.4804894

Frequency comb generation by a continuous-wave-pumped optical parametric oscillator based on cascading quadratic nonlinearities

Tekijät: Ulvila, Ville; Phillips Christopher R.; Halonen, Lauri; Vainio, Markku
Optics Letters. Optical Society of America . Vol. 38 (2013) No: 21, 4281 - 4284
Asiasanat: parametric oscillators, self-action effects, nonlinear optics, nonlinear wave mixing
DOI: 10.1364/OL.38.004281

Experimental observation and analysis of the 3V1({\Sigma}g) stretching vibrational state of acetylene using continuous-wave infrared stimulated emission

Tekijät: Siltanen, Mikael; Metsälä, Markus; Vainio, Markku; Halonen, Lauri
The Journal of Chemical Physics. AIP. Vol. 139  (2013) No: 5, 054201, 7 p.
Asiasanat: stimulated emission , vibrational states, mirrors, atomic beams, linewidths, molecular spectroscopy
DOI: 10.1063/1.4816524

High sensitivity trace gas detection by cantilever-enhanced photoacoustic spectroscopy using a mid-infrared continuous-wave optical parametric oscillator

Tekijät: Peltola, Jari; Vainio, Markku; Hieta, Tuomas; Uotila, Juho; Sinisalo, Sauli; Metsälä, Markus; Siltanen, Mikael; Halonen, Lauri
Optics Express. Optical Society of America. Vol. 21 (2013)  No: 8, 10240 - 10250
Asiasanat: spectroscopy, photothermal, parametric oscillators, laser sensors
DOI: 10.1364/OE.21.010240

Enhancement of second-harmonic generation from metal nanoparticles by passive elements

Tekijät: Czaplicki, Robert; Husu, Hannu; Siikanen, Roope; Mäkitalo, Jouni; Kauranen, Martti; Laukkanen, Janne; Lehtolahti, Joonas; Kuittinen, Markku
Physical Review Letters. American Physical Society. Vol. 110  (2013) No: 9, 093902, 5 p.
DOI: 10.1103/PhysRevLett.110.093902

Second-order nonlinear optical properties of plasmonic nanostructures

Tekijät: Kauranen, Martti; Husu, Hannu; Mäkitalo, Jouni; Czaplicki, Robert; Zdanowicz, Mariusz; Lehtolahti, Joonas; Laukkanen, Janne; Kuittinen, Markku
Plasmonics: Theory and Applications
Challenges and Advances in Computational Chemistry and Physics : 15
Springer, 2013
Asiasanat: surface plasmon, nonlinear optics, second harmonic generation
DOI: 10.1007/978-94-007-7805-4_6

Investigation of uncertainty components in Coulomb blockade thermometry

Tekijät: Hahtela, O.M.; Meschke, M.; Savin, A.; Gunnarsson, David; Prunnila, M.; Penttilä, J.S.; Roschier, L.; Heinonen, M.; Manninen, A.; Pekola, J.P.
9th International Temperature Symposium, ITS 2012, 19 - 23 March 2012, Los Angeles, CA, United States
Temperature: Its Measurement and Control in Science and Industry, Volume 8
AIP Conference Proceedings : 1552
AIP Publishing, 2013, 142 - 147
Asiasanat: coulomb blockade thermometry, measurement uncertainty, primary thermometer
DOI: 10.1063/1.4819529

Characterization of SQUID-based null detector for a quantum metrology triangle experiment

Tekijät: Luomahaara, Juho; Kemppinen, A.; Helistö, Panu; Hassel, Juha
IEEE Transactions on Applied Superconductivity . IEEE. Vol. 23 (2013) No: 3 , 1601705
Asiasanat: quantum metrological triangle, SQUID ammeter
DOI: 10.1109/TASC.2012.2237212

Investigation of the equivalence of national dew-point temperature realizations in the -50°C to +20°C range

Tekijät: Heinonen, Martti; Anagnostou, Miltiadis; Bell, Stephanie; Stevens, Mark; Benyon, Robert; Bergerud, Reidun Anita; Bojkovski, Jovan; Bosma, Rien; Nielsen, Jan; Böse, Norbert; Cromwell, Plunkett; Dogan, Aliye Kartal; Aytekin, Seda; Uytun, Ali; Fernicola, Vito; Flakiewicz, Krzysztof; Blanquart, Bertrand; Hudoklin, Domen; Jacobson, Per; Kentved, Anders; Lóio, Isabel; Mamontov, George; Masarykova, Alexandra; Mitter, Helmut; Mnguni, Regina; Otych, Jan; Steiner, Anton; Nagyné, Szilágyi Zsófia; Zvizdic, Davor
International Journal of Thermophysics. Springer. Vol. 33 (2012)  No: 8-9, 1422 - 1437
Asiasanat: dew-point temperature , humidity, key comparison
DOI: 10.1007/s10765-011-0950-x

Dark-state suppression and optimization of laser cooling and fluorescence in a trapped alkaline-earth-metal single ion

Tekijät: Lindvall, T.; Merimaa, M.; Tittonen, I.; Madej, A.A.
Physical Review A. American Physical Society. Vol. 86 (2012)  No: 3, 033403
DOI: 10.1103/PhysRevA.86.033403

Comparison of the performance of the next generation of optical interferometers

Tekijät: Pisani, Marco; Yacoot, Andrew; Balling, Petr; Bancone, Nicola; Birlikseven, Cengiz; Celik, Mehmet; Flügge, Jens; Hamid, Ramiz; Köchert, Paul; Kren, Petr; Kuetgens, Ulrich; Lassila, Antti; Picotto, Gian Bartolo; Sahin, Ersoy; Seppä, Jeremias; Tedaldi, Matthew; Weichert, Christoph
Metrologia. IOP Publishing. Vol. 49 (2012) No: 4 , 455 - 467
Asiasanat: interferometers, metrology
DOI: 10.1088/0026-1394/49/4/455

Measurement strategies and uncertainty estimations for pitch and step height calibrations by metrological atomic force microscope

Tekijät: Korpelainen, Virpi; Seppä, Jeremias; Lassila, Antti
Journal of Micro/Nanolithography, MEMS, and MOEMS. SPIE. Vol. 11 (2012) No: 1, 011002
Asiasanat: calibration, atomic force microscope
DOI: 10.1117/1.JMM.11.1.011002

Interferometric 30 m bench for calibrations of 1D scales and optical distance measuring instruments

Tekijät: Unkuri, J.; Rantanen, A.; Manninen, J.; Esala, V.-P.; Lassila, A.
Measurement Science and Technology. IOP Publishing . Vol. 23 (2012) No: 9, 094017, 8 p.
Asiasanat: interferometers, calibration
DOI: 10.1088/0957-0233/23/9/094017

Equipment for the calibration of squareness standards

Tekijät: Hemming, Björn; Korhonen, Antti; Palosuo, Ilkka; Lassila, Antti
Measurement Science and Technology. IOP Publishing . Vol. 23 (2012) No: 9, 094009, 5 p.
Asiasanat: standards, calibration, squares
DOI: 10.1088/0957-0233/23/9/094009

Final report on inter-RMO key comparison EUROMET.L-K5.2004: Calibration of a step gauge

Tekijät: Prieto, Emilio; Brown, Nicholas; Lassila, Antti; Lewis, Andrew; Matus, Michael; Vailleau, Georges; de Chiffre, Leonardo; Kotte, Gerard W.J.L.; Frennberg, Mikael; McQuoid, Howard; Zelený, Vít; Ramotowski, Zbigniew; Bánréti, Edit; Duta, Alexandru; Picotto, Gian Bartolo; Doytchinov, Kostadin; de Oliveira, Jose Carlos Valente; Alonso, Miguel Viliesid; Chekirda, Konstantin
Metrologia. IOP Publishing. Vol. 49 (2012)  No: 1A, 04008
DOI: 10.1088/0026-1394/49/1A/04008

MIKES fibre-coupled differential dynamic line scale interferometer

Tekijät: Lassila, Antti
Measurement Science and Technology . IOP Publishing. Vol. 23 (2012) No: 9,  094011, 10 p.
Asiasanat: interferometers, calibration
DOI: 10.1088/0957-0233/23/9/094011

Probing quasiparticle excitations in a hybrid single electron transistor

Tekijät: Knowles, H.S.; Maisi, V.F.; Pekola, J.P.
Applied Physics Letters. American Institute of Physics. Vol. 100 ( 2012) No: 26, 262601, 4 p.
Asiasanat: superconductivity, superconductors, quasiparticles
DOI: 10.1063/1.4730407

Vanishing quasiparticle density in a hybrid Al/Cu/Al single-electron transistor

Tekijät: Saira, O.-P.; Kemppinen, A.; Maisi, V.F.; Pekola, J.P.
Physical Review B. American Physical Society. Vol. 85 ( 2012) No: 1, 012504
Asiasanat: nanoelectronics, superconductivity, quasiparticles
DOI: 10.1103/PhysRevB.85.012504

New primary dew-point generators at HMI/FSB-LPM in the range from -70°C to +60°C

Tekijät: Zvizdic, Davor; Heinonen, Martti; Sestan, Danijel
International Journal of Thermophysics. Springer. Vol. 33 ( 2012) No: 8-9, 1536 - 1549
Asiasanat: dew-point generators , humidity, saturators
DOI: 10.1007/s10765-012-1211-3

Practical study of psychrometer calibrations

Tekijät: Kentved, Anders Bonde; Heinonen, Martti; Hudoklin, Domen
International Journal of Thermophysics. Springer. Vol. 33  (2012) No: 8-9, 1408 - 1421
Asiasanat: calibration, psychrometers, relative-humidity measurement, wick wetting
DOI: 10.1007/s10765-012-1212-2

Double-coiled tungsten filament lamps as absolute spectral irradiance reference sources

Tekijät: Ojanen, Maija; Kärhä, Petri; Nevas, Saulius; Sperling, Armin; Mäntynen, Henrik; Ikonen, Erkki
Metrologia. IOP Publishing . Vol. 49 (2012) No: 2, 53 - 58
Asiasanat: radiation, tungsten filament lamps, spectral behaviour
DOI: 10.1088/0026-1394/49/2/S53

Intercomparison of the dew-point temperature realizations at LPM and MIKES in the range from -70°C to +20°C

Tekijät: Heinonen, Martti; Zvizdic, Davor; Sestan, Danijel
International Journal of Thermophysics. Springer. Vol. 33 ( 2012) No: 8-9, 1451 - 1457
Asiasanat: dew-point temperature , humidity
DOI: 10.1007/s10765-011-1105-9

Bilateral comparison of relative humidity standards between NMISA and MIKES

Tekijät: Jonker, D.; Heinonen, M.; Liedberg, H.G.; Mnguni, M.R.
International Journal of Thermophysics. Springer. Vol. 33  (2012) No: 8-9, 1458 - 1467
Asiasanat: bilateral comparison , relative humidity, thermohygrometers, calibration
DOI: 10.1007/s10765-011-1114-8

Degenerate 1 GHz repetition rate femtosecond optical parametric oscillator

Tekijät: Vainio, Markku; Merimaa, Mikko; Halonen, Lauri; Vodopyanov, Konstantin
Optics Letters. The Optical Society of America . Vol. 37 (2012) No: 21, 4561 - 4563
Asiasanat: oscillators, optics
DOI: 10.1364/OL.37.004561

Versatile multipass cell for laser spectroscopic trace gas analysis

Tekijät: Manninen, A.; Tuzson, B.; Looser, H.; Bonetti, Y.; Emmenegger, L.
Applied Physics B. Springer. Vol. 109 ( 2012) No: 3, 461 - 466
Asiasanat: quantum optics, laser spectroscopy, multipass cells
DOI: 10.1007/s00340-012-4964-2

Uncertainty analysis of photometer directional response index f2 using Monte Carlo simulation

Tekijät: Poikonen, Tuomas; Blattner, Peter; Kärhä, Petri; Ikonen, Erkki
Metrologia. IOP Publishing. Vol. 49 (2012)  No: 6, 727 - 736
DOI: 10.1088/0026-1394/49/6/727

Development of broadband cavity ring-down spectroscopy for biomedical diagnostics of liquid analytes

Tekijät: Kiwanuka, S.-S.; Laurila, T.K.; Frank, J.H.; Esposito, A.; Blomberg von der Geest, K.; Pancheri, L.; Stoppa, D.; Kaminski, C.F.
Analytical Chemistry. ACS Publications. Vol. 84 (2012)  No: 13, 5489 - 5493
Asiasanat: spectroscopy, biomedical diagnostics
DOI: 10.1021/ac301108q

Periodic interactions between solitons and dispersive waves during the generation of non-coherent supercontinuum radiation

Tekijät: Liu, Chu; Rees, Eric J.; Laurila, Toni; Jian, Shisheng; Kaminski, Clemens F.
Optics Express. American Optical Society . Vol. 20 (2012) No: 6, 6316 - 6324
Asiasanat: nonlinear optics, temporal solitons, pulse propagation
DOI: 10.1364/OE.20.006316

Simulations of a predictable quantum efficient detector with PC1D

Tekijät: Gran, Jarle; Kübarsepp, Toomas; Sildoja, Meelis; Manoocheri, Farshid; Ikonen, Erkki; Müller, Ingmar
Metrologia. IOP Publishing. Vol. 49 (2012) No: 2, 130 - 134
Asiasanat: quantum optics, photodiodes
DOI: 10.1088/0026-1394/49/2/S130

Luminous efficacy measurement of solid-state lamps

Tekijät: Poikonen, Tuomas; Pulli, Tomi; Vaskuri, Anna; Baumgartner, Hans; Kärhä, Petri; Ikonen, Erkki
Metrologia. IOP Publishing . Vol. 49 (2012) No: 2, 135 - 140
Asiasanat: solid-state lamps
DOI: 10.1088/0026-1394/49/2/S135

Metamaterials with tailorable nonlinear optical properties

Tekijät: Czaplicki, Robert; Husu, Hannu; Zdanowicz, Mariusz; Koskinen, Kalle; Siikanen, Roope; Kauranen, Martti; Laukkanen, Janne; Lehtolahti, Joonas; Kuittinen, Markku
Optics and Photonics News. The Optical Society. Vol. 23 (2012) No: 12, 34
DOI: 10.1364/OPN.23.12.000034

Effective humidity in length measurements: Comparison of three approaches

Tekijät: Pollinger, Florian; Hieta, Tuomas; Vainio, Markku; Doloca, Nicolae R.; Abou-Zeid, Ahmed; Meiners-Hagen, Karl; Merimaa, Mikko
Measurement Science and Technology. IOP Publishing. Vol. 23  (2012) No: 2, 025503, 11 p.
Asiasanat: laser spectroscopy, hygrometers, sensors, humidity
DOI: 10.1088/0957-0233/23/2/025503

A comparison of sensitivity standards in form metrology: Final results of the EURAMET project 649

Tekijät: Jusko, Otto; Bosse, Harald; Flack, David; Hemming, Bjorn; Pisani, Marco; Thalmann, Ruedi
Measurement Science and Technology. IOP Publishing. Vol. 23 (2012) No: 5, 054006, 7 p.
Asiasanat: form metrology, flick, multi-wave standards, harmonic analysis
DOI: 10.1088/0957-0233/23/5/054006

Off-axis re-entrant cavity ring-down spectroscopy with a mid-infrared continuous-wave optical parametric oscillator

Tekijät: Peltola, J.; Vainio, M.; Ulvila, V.; Siltanen, M.; Metsälä, M.; Halonen, L.
Applied Physics B. Springer. Vol.  107 (2012) No: 3, 839 - 847
DOI: 10.1007/s00340-012-5074-x

Study of the PM gas-phase filter artifact using a setup for mixing diesel-like soot and hydrocarbons

Tekijät: Högström, Richard; Karjalainen, Panu; Yli-Ojanperä, Jaakko; Rostedt, Antti; Heinonen, Martti; Mäkelä, Jyrki M.; Keskinen, Jorma
Aerosol Science and Technology. Taylor & Francis. Vol. 46 ( 2012) No: 9, 1045 - 1052
Asiasanat: hydrocarbons, filters
DOI: 10.1080/02786826.2012.689118

Sample quality and second-harmonic generation from gold nanoparticles

Tekijät: Husu, Hannu; Koskinen, Kalle; Laukkanen, Janne; Kuittinen, Markku; Kauranen, Martti
Nonlinear Optics, Quantum Optics. Old City Publishing. Vol. 43 (2012) No: 1-4, 355 - 361
Asiasanat: metal nanostructures , metamaterials, nanoparticles, nonlinear optics, second-harmonic generation, plasmons, sample quality
http://www.oldcitypublishing.com/pdf/2871

Demonstration of 50-Hz electrical active power measurement using a micromechanical magnetometer

Tekijät: Rimminen, Henry; Hällström, J.; Immonen, P.; Seppä, Heikki; Manninen, A.; Latonen, Teemu; Kyynäräinen, Jukka; Kärkkäinen, Anu
Conference on Precision Electromagnetic Measurements, CPEM 2012, Washington, DC, 1 - 6 July 2012
CPEM Digest (Conference on Precision Electromagnetic Measurements)  (2012), 232 - 233
Asiasanat: Active power measurement, microelectro-mechanical systems
DOI: 10.1109/CPEM.2012.6250887

Tuning and stability of a singly resonant continous-wave optical parametric oscillator close to degeneracy

Tekijät: Vainio, Markku; Ozanam, Cécile; Ulvila, Ville; Halonen, Lauri
Optics Express. The Optical Society. Vol. 19 (2011 ) No: 23, 22515 - 22527
DOI: 10.1364/OE.19.022515

Frequency-comb-referenced molecular spectroscopy in the mid-infrared region

Tekijät: Vainio, Markku; Merimaa, Mikko; Halonen, Lauri
Optics Letters. The Optical Society. Vol. 36 (2011) No:  21, 4122 - 4124
DOI: 10.1364/OL.36.004122

Cavity-enhanced optical frequency doubler based on transmission-mode Hänsch-Couillaud locking

Tekijät: Vainio, M.; Bernard, J.E.; Marmet, L.
Applied Physics B. Springer. Vol. 104 (2011) No: 4, 897 - 908
Asiasanat: lasers
DOI: 10.1007/s00340-011-4437-z

Stable operation of a cw optical parametric oscillator near the signal–idler degeneracy

Tekijät: Vainio, Markku; Halonen, Lauri
Optics Letters.  The Optics Society. Vol. 36 (2011) No: 4, 475 - 477
Asiasanat: oscillators, frequency stability
DOI: 10.1364/OL.36.000475

Grating-cavity continuous-wave optical parametric oscillators for high-resolution mid-infrared spectroscopy

Tekijät: Vainio, Markku; Siltanen, Mikael; Peltola, Jari; Halonen, Lauri
Applied Optics. The Optical Society. Vol. 50 (2011 ) No: 4, A1 - A10
Asiasanat: spectroscopy, oscillators
DOI: 10.1364/AO.50.0000A1

Single-electron shuttle based on a silicon quantum dot

Tekijät: Chan, K.W.; Möttönen, M.; Kemppinen, A.; Lai, N.S.; Tan, K.Y.; Lim, W.H.; Dzurak, A.S.
Applied Physics Letters. American Institute of Physics. Vol. 98 (2011) No: 21,  212103, 3 p.
Asiasanat: quantum dots, electric measurements, tunneling, amplifiers, III-V semiconductors
DOI: 10.1063/1.3593491

Long hold times in a two-junction electron trap

Tekijät: Kemppinen, A.; Lotkhov, S.V.; Saira, O.-P.; Zorin, A.B.; Pekola, J.P.; Manninen, A.J.
Applied Physics Letters. AIP Publishing . Vol. 99 (2011) No: 14, 142106, 3 p.
Asiasanat: electrometers, tunneling, electroluminescence, photoacoustic imaging, resistors
DOI: 10.1063/1.3647557

Validating the single charged aerosol reference (SCAR) as a traceable particle number concentration standard for 10 nm to 500 nm aerosol particles

Tekijät: Högström, Richard; Yli-Ojanperä, Jaakko; Rostedt, Antti; Iisakka, Ilkka; Mäkelä, Jyrki M.; Heinonen, Martti; Keskinen, Jorma
Metrologia. IOP Publishing. Vol. 48 (2011) No: 5 , 426 - 436
Asiasanat: aerosols, particles
DOI: 10.1088/0026-1394/48/5/025

Andreev tunneling in charge pumping with SINIS turnstiles

Tekijät: Aref, T.; Maisi, V.; Gustafsson, M.V.; Delsing, P.; Pekola, J.P.
EPL (Europhysics Letters). IOP Science. Vol. 96  (2011) No: 3, 37008, 6 p.
Asiasanat: superconductivity, single electron devices, Andreev effect, proximity effects
DOI: 10.1209/0295-5075/96/37008

Comparison of asynchronous sampling correction algorithms for frequency estimation of signals of poor power quality

Tekijät: Lapuh, Rado; Clarkson, Paul; Pogliano, Umberto; Hällström, Jari K.; Wright, Paul S.
IEEE Transactions on Instrumentation and Measurement. IEEE. Vol. 60 (2011) No: 7, 2235 - 2241
Asiasanat: digital measurements , electric variables measurement, frequency estimation, power quality, signal processing
DOI: 10.1109/TIM.2011.2135610

Temperature dependence of Pd thin-film cryoresistors

Tekijät: Satrapinski, Alexandre; Hahtela, Ossi M.; Savin, Alexander M.; Novikov, Sergey; Lebedeva, Natalia
IEEE Transactions on Instrumentation and Measurement. IEEE. Vol. 60 (2011) No: 7, 2469 - 2474
Asiasanat: cryogenics, low temperature, palladium, resistance measurement, thin-film resistors
DOI: 10.1109/TIM.2011.2139290

DC voltage reference based on a square-wave-actuated microelectromechanical sensor

Tekijät: Kaasalainen, Jussi; Manninen, Antti
IEEE Transactions on Instrumentation and Measurement. IEEE. Vol. 60 (2011) No: 7, 2506 - 2511
Asiasanat: measurement standards , microelectromechanical devices, stability voltage
DOI: 10.1109/TIM.2011.2144230

Programmable Josephson arrays for impedance measurements

Tekijät: Lee, Jinni; Schurr, Jürgen; Nissilä, Jaani; Palafox, Luis; Behr, Ralf; Kibble, Bryan P.
IEEE Transactions on Instrumentation and Measurement. IEEE. Vol. 60 (2011) No: 7, 2596 - 2601
Asiasanat: impedance bridge, impedance measurements, Josephson array, signal synthesis
DOI: 10.1109/TIM.2011.2117311

Real-time observation of discrete Andreev tunneling events

Tekijät: Maisi, V.F.; Saira, O.-P.; Pashkin, Yu.A.; Tsai, J.S.; Averin, D.V.; Pekola, J.P.
Physical Review Letters. American Physical Society. Vol. 106 (2011) No: 21, 217003
DOI: 10.1103/PhysRevLett.106.217003

EURAMET.T-K7 key comparison of water triple-point cells

Tekijät: Peruzzi, A.; Bosma, R.; Kerkhof, O.; Rosenkranz, P.; del Campo Maldonado, M.D.; Strnad, R.; Nielsen, J.; Anagnostou, M.; Veliki, T.; Zvizdic, D.; Grudnewicz, E.; Nedea, M.; Neagu, D.M.; Steur, P.; Filipe, E.; Lobo, I.; Antonsen, I.; Renaot, E.; Heinonen, M.; Weckstrom, T.; Bojkovski, J.; Turzo-Andras, E.; Nemeth, S.; White, M.; Tegeler, E.; Dobre, M.; Duris, S.; Kartal Dogan, A.; Uytun, A.; Augevicius, V.; Pauzha, A.; Pokhodun, A.; Simic, S.
International Journal of Thermphysics. Springer. Vol. 32  (2011) No: 11-12, 2516 - 2532
Asiasanat: key comparison, water triple-point cells
DOI: 10.1007/s10765-011-1048-1

A method for linearization of a laser interferometer down to the picometre level with a capacitive sensor

Tekijät: Seppä, Jeremias; Korpelainen, Virpi; Merimaa, Mikko; Picotto, Gian Bartolo; Lassila, Antti
Measurement Science and Technology . IOP Publishing. Vol. 22 (2011) No: 9,  094027, 7 p.
Asiasanat: lasers, interferometers
DOI: 10.1088/0957-0233/22/9/094027

High-precision diode-laser-based temperature measurement for air refractive index compensation

Tekijät: Hieta, Tuomas; Merimaa, Mikko; Vainio, Markku; Seppä, Jeremias; Lassila, Antti
Applied Optics. Optical Society . Vol. 50 (2011) No: 31, 5990 - 5998
DOI: 10.1364/AO.50.005990

Radio-frequency transport of single electrons in superconductor-normal- metal tunnel junctions and the quantum metrological triangle

Tekijät: Kemppinen, A.; Maisi, V.F.; Saira, O.-P.; Kafanov, S.; Lotkhov, S.V.; Pashkin, Yu.A.; Aref, T.; Meschke, M.; Möttönen, M.; Hahtela, O.; Hassel, Juha; Luomahaara, Juho; Mykkänen, E.; Koivula, H.; Averin, D.V.; Seppä, Heikki; Tsai, J.S.; Zorin, A.B.; Manninen, A.; Pekola, J.P.
2011 30th URSI General Assembly and Scientific Symposium, URSIGASS 2011, Istanbul, 13 - 20 August 2011
. IEEE (2011), Article number 6050291
DOI: 10.1109/URSIGASS.2011.6050291

Strong attenuation of the transients' effect in square waves synthesized with a programmable Josephson voltage standard

Tekijät: Jeanneret, B.; Overney, F.; Rufenacht, A.; Nissilä, Jaani
IEEE Transactions on Instrumentation and Measurement. IEEE. Vol. 59 (2010) No: 7,  1894-1899
Asiasanat: AC measurements, Josephson devices, Josephson voltage standard, waveform synthesizer
DOI: 10.1109/TIM.2009.2030920

Traceable characterization of a bending millimetre scale cantilever for nanoforce sensing

Tekijät: Stenlund, Leena; Riski, Kari; Seppä, Jeremias; Pudas, M.; Vähäsöyrinki, M.; Tuhkanen, v.; Röning, J.
Measurement Science and Technology. IOP Publishing. Vol. 21 (2010) No: 7 , 9 p.
DOI: 10.1088/0957-0233/21/7/075102

Final report on EUROMET.L-S15.a (EUROMET Project 925): Intercomparison on step height standards and 1D gratings

Tekijät: Danzebrink, U.; Koenders, L.; Picotto, G.B.; Lassila, Antti; Wang, S.H.; Klapetek, P.
Metrologia, Technical supplement. IOP Publishing. Vol. 47 (2010)
DOI: 10.1088/0026-1394/47/1A/04006
http://www.bipm.org/utils/common/pdf/final_reports/L/S15/EUROMET.L-S15.a.pdf

The Josephson two-terminal-pair impedance bridge

Tekijät: Lee, J.; Schurr, J.; Niissilä, Jaani; Palafox, L.; Behr, R.
Metrologia. IOP Publishing. Vol. 47 (2010)  No: 4, 453-459
DOI: 10.1088/0026-1394/47/4/011

Atomic force microscopy studies of surface contamination on stainless steel weights

Tekijät: Högström, Richard; Korpelainen, V.; Riski, K.; Heinonen, M.
Metrologia. IOP Publishing. Vol. 47 (2010)  No: 6, 670-676
DOI: 10.1088/0026-1394/47/6/006

Pump-tunable continuous-wave singly resonant optical parametric oscillator from 2.5 to 4.4 [micrometer]

Tekijät: Siltanen, M.; Vainio, Markku; Halonen, L.
Optics Express. The Optical Society. Vol. 18 (2010) No:  12, 14087-14092
DOI: 10.1364/OE.18.014087

Continuous-wave optical parametric oscillator based on a Bragg grating

Tekijät: Vainio, Markku; Siltanen, M.; Hieta, Tuomas; Halonen, L.
Optics Letters. The Optical Society. Vol. 35 (2010)  No: 10, 1527-1529
DOI: 10.1364/OL.35.001527

Spectroscopic measurement of air temperature

Tekijät: Hieta, T.; Merimaa, M.
International Journal of Thermophysics. Springer. Vol. 31 (2010) No: 8 , 1710-1718
DOI: 10.1007/s10765-010-0833-6

Environmentally activated tunneling events in a hybrid single-electron box

Tekijät: Saira, O-P.; Möttönen, M.; Maisi, V.F.; Pekola, J.P.
Physical Review B. American Physical Society. Vol. 82 (2010)
DOI: 10.1103/PhysRevB.82.155443

Environment-assisted tunneling as an origin of the dynes density of states

Tekijät: Pekola, J.P.; Maisi, V.F.; Kafanov, S.; Chekurov, N.; Kemppinen, A.; Pashkin, Y.A.; Saira, O-P.; Möttönen, M.; Tsai, J.S.
Physical Review Letters. American Physical Society. Vol. 105 (2010) , 026803
DOI: 10.1103/PhysRevLett.105.026803

Design and characterization of MIKES metrological atomic force microscope

Tekijät: Korpelainen, V.; Seppä, J.; Lassila, A.
Precision Engineering. Elsevier. Vol. 34 (2010) No: 4,  735-744
Asiasanat: nanometrology, metrological atomic force microscope, laser interferometer, nonlinearity, calibration, uncertainty
DOI: 10.1016/j.precisioneng.2010.04.002

Development of the SINIS turnstile for the quantum metrological triangle

Tekijät: Kemppinen, A.; Kafanov, S.; Maisi, V.F.; Pashkin, Yu.A.; Lotkhov, S.V.; Chekurov, N.; Saira, O.-P.; Möttönen, M.; Hassel, Juha; Tsai, J.S.; Averin, D.V.; Zorin, A.B.; Manninen, A.J.; Pekola, J.P.
2010 Conference on Precision Electromagnetic Measurements (CPEM 2010). Daejeon, South Korea, 13 - 18 June 2010. IEEE. Piscataway, NJ, USA (2010),  125 - 126
DOI: 10.1109/CPEM.2010.5544424

Single-electronic radio-frequency refrigerator

Tekijät: Kafanov, S.; Kemppinen, A.; Pashkin, Y.A.; Meschke, M.; Tsai, J.S.; Pekola, J.P.
Physical Review Letters. American Physical Society. Vol. 103 (2009), 120801, 4 p.
DOI: 10.1103/PhysRevLett.103.120801

Experimental investigation of hybrid single-electron turnstiles with high charging energy

Tekijät: Kemppinen, A.; Kafanow, S.; Pashkin, Y.A.; Tsai, J.S.; Averin, D.V.; Pekola, J.P.
Applied Physics Letters. American Institute of Physics. Vol. 94 (2009) No: 17, 3 p.
DOI: 10.1063/1.3127229

Pumping properties of the hybrid single-electron transistor in dissipative environment

Tekijät: Lotkhov, S.V.; Kemppinen, A.; Kafanov, S.; Pekola, J.P.; Zorin, A.B.
Applied Physics Letters. American Institute of Physics . Vol. 95 (2009) No: 11, 3 p.
DOI: 10.1063/1.3227839

Onsite calibration of a current transformer using a Rogowski Coil

Tekijät: Suomalainen, E-P.; Hällström, J.K.
IEEE Transactions on Instrumentation and Measurement. IEEE. Vol. 58 (2009) No: 4,  1054-1058
Asiasanat: High current, Rogowski coil, high voltage, instrument current transformer (CT), onsite calibration
DOI: 10.1109/TIM.2008.2007031

Atomic-layer-deposited Alumina (Al2O3) coating on thin-film cryoresistors

Tekijät: Hahtela, O.M.; Satrapinski, A.F.; Sievilä, P.H.; Chekurov, N.
IEEE Transactions on Instrumentation and Measurement. IEEE. Vol. 58 (2009) No: 4,  1183-1187
Asiasanat: Coatings, dielectric films, resistance measurement, stability, thin-film resistors
DOI: 10.1109/TIM.2008.2006964

Ni-Cr-Based Thin-Film Cryoresistors

Tekijät: Satrapinski, A.F.; Savin, A.M.; Novikov, S.; Hahtela, O.M.
IEEE Transactions on Instumentation and Measurement. IEEE. Vol. 58 (2009) No: 4,  1206-1210
Asiasanat: Accurate measurements , cryoresistors, low temperature
DOI: 10.1109/TIM.2008.2008579

Quantized current of a hybrid single-electron transistor with superconducting leads and a normal-metal island

Tekijät: Kemppinen, A.; Meschke, M.; Möttönen, M.; Averin, D.V.; Pekola, J.P.
The European Physical Journal Special Topics. Springer . Vol. 172 (2009) No: 1, 311-321
DOI: 10.1140/epjst/e2009-01056-0

Fiber-based acetylene-stabilized laser

Tekijät: Ahtee, V.; Merimaa, M.; Nyholm, K.
IEEE Transactions on Instrumentation and Measurement. IEEE. Vol. 58 (2009) No: 4,  1211-1216
DOI: 10.1109/TIM.2008.2008476

High accuracy laser diffractometer: angle-scale traceability by the error separation method with a grating

Tekijät: Korpelainen, V.; Iho, A.; Seppä, J.; Lassila, A.
Measurement Science and Technology. IOP Publishing. Vol. 20  (2009) No: 8, 8 p.
DOI: 10.1088/0957-0233/20/8/084020

Calibration of a flatbed scanner for traceable paper area measurement

Tekijät: Kangasrääsiö, J.; Hemming, B.
Measurement Science and Technology. IOP Publishing. Vol. 20 (2009) No: 10 , 4 p.
DOI: 10.1088/0957-0233/20/10/107003

Mass determination with the magnetic levitation method - proposal for a new design of electromechanical system

Tekijät: Kajastie, H.; Riski, K.; Satrapinski, A.
Metrologia . IOP Publishing. Vol. 46 (2009) No: 3,  298-304
DOI: 10.1088/0026-1394/46/3/018

Parallel pumping of electrons

Tekijät: Maisi, Ville F.; Pashkin, Y.A.; Kafanov, S.; Tsai, J-S.; Pekola, J.P.
New Journal of Physics. IOP Publishing. Vol. 11  (2009) No: November, 10 p.
DOI: 10.1088/1367-2630/11/11/113057

Precision spectroscopy of acetylene transitions using an optical frequency synthesizer

Tekijät: Ahtee, V.; Merimaa, M.; Nyholm, K.
Påtocs Öetters . The Optical Society. Vol. 34 (2009) No: 17 , 2619-2621
DOI: 10.1364/OL.34.002619

Hot rolling tests with steel bars and silicon nitride rolls

Tekijät: Andersson, Peter; Levén, Jan; Hemming, Björn
Journal of Materials Processing Technology. Vol. 209 (2009)  No: 2, 884 - 893
Asiasanat: Ceramics, Silicon nitride, Hot rolling, Transfer, Wear
DOI: 10.1016/j.jmatprotec.2008.02.069

Suppression of the critical current of a balanced superconducting quantum interference device

Tekijät: Kemppinen, Antti; Manninen, Antti J.; Möttönen, M.; Vartiainen, J.J.; peltonen, J.T.; Pekola, J.P.
Applied Physics Letters . American Institute of Physics. Vol. 92 (2008)  No: 5, 052110
DOI: 10.1063/1.2842413

Zero-Phase Filtering for Lightning Impulse Evaluation: A K-factor Filter for the Revision of IEC60060-1 and -2

Tekijät: Lewin, P.L.; Tran, T.N.; Swaffield, D.J.; Hällström, J.K.
IEEE Transaction on Power Delivery. IEEE. Vol. 23 (2008 ) No: 1, 3-12
Asiasanat: Digital filters, IEC 60060-1, high-voltage techniques, impulse testing, pulse measurements, zero-phase filter
DOI: 10.1109/TPWRD.2007.911124

Bilateral comparison of humidity standards between UME and MIKES

Tekijät: Heinonen, M.; Oguz Aytekin, S.; Uytun, A.
International Journal of Thermophysics. Springer. Vol. 29 ( 2008) No: 5, 1678-1684
Asiasanat: Humidity generator, Dew-point temperature, Comparison
DOI: 10.1007/s10765-008-0453-6

A roadmap for humidity and moisture measurement

Tekijät: Bell, S.; Benyon, R.; Böse, N.; Heinonen, M.
International Journal of Thermophysics. Springer. Vol. 29 ( 2008) No: 5, 1537-1543
Asiasanat: Humidity, Moisture, Roadmap
DOI: 10.1007/s10765-008-0419-8

Intercomparison of copper fixed-point cells by using Pt/Pd thermocouples

Tekijät: Edler, F.; Anagnostou, M.; Bojkovski, J.; Gaita, S.; Garcia, C.; Grudniewicz, E.; Helgesen, F.; Ivarsson, J.; Pauza, A.; Rosenkranz, P.; Smid, M.; Weckström, T.; Zvizdic, D.
International Journal of Thermophysics. Springer. Vol. 29 (2008) No: 1 , 171-180
Asiasanat: Copper freezing point , Intercomparison, Platinum/palladium thermocouple
DOI: 10.1007/s10765-007-0282-z

Method for compensating heat flux errors in mini-TPW cell measurements

Tekijät: Heinonen, M.; Isosaari, E.
International Journal of Thermophysics. Springer. Vol. 29 (2008) No: 3 , 836-843
Asiasanat: Mini-TPW, Thermal conduction, Triple point of water
DOI: 10.1007/s10765-008-0417-x

Filter radiometers as a tool for quality assurance of temperature measurements with linear pyrometers

Tekijät: Ojanen, M.; Ahtee, V.; Noorma, M.; Weckström, T:; Kärhä, P.; Ikonen, E.
International Journal of Thermophysics. Sptringer . Vol. 29 (2008) No: 3, 1084-1093
Asiasanat: Filter radiometer, Fixed-point cell, Quality assurance, Variable-temperature blackbody
DOI: 10.1007/s10765-008-0387-z

Frost-point measurement error due to a leak in a sampling line

Tekijät: Heinonen, Martti; Vibaste, M.
International Journal of Thermophysics. Springer. Vol. 29 (2008) No: 5 , 1589-1597
Asiasanat: Back-diffusion, Dew-point temperature, Leak
DOI: 10.1007/s10765-007-0345-1

Experimental study of Evanohm thin film resistors at subkelvin temperatures

Tekijät: Satrapinski, A.F.; Savin, A.M.; Novikov, S.; Hahtela, O.
Micro and Nanoscience Laboratory, TKK, Micronova,. IOP Publishing. Vol. 19 (2008) No: 5 , 5 p.
DOI: 10.1088/0957-0233/19/5/055102

Final report of EUROMET.T-S2 (projects EUROMET 391 and 712): Supplementary comparison of realizations of the indium freezing point

Tekijät: Rauta, C.; Renaot, E.; Valin, M.H.; Elgourdou, M.; Adunka, F.; van der Linden, A.; Steiner, A.; Bartu, J.; Smid, M.; Sindelar, M.; Tegeler, E.; Noatsch, U.; Holtoug, J-U.; Chimenti, V.; Anagnostou, M.; Weckstrøm, T.; et al.
Metrologia, Technical Supplement. IOP Publishing. Vol. 45  (2008)
DOI: 10.1088/0026-1394/45/1A/03001
http://www.bipm.org/utils/common/pdf/final_reports/T/S2/EUROMET.T-S2.pdf

The contribution of varying shear stress to the uncertainty in gravimetric gas mass flow measurements

Tekijät: Sillanpää, Sampo; Heinonen, Martti
Metrologia.  IOP Publishing. Vol. 45 (2008) No: 2, 249-255
DOI: 10.1088/0026-1394/45/2/015

Single-frequency synthesis at telecommunication wavelengths

Tekijät: Ahtee, V.; Merimaa, M.; Nyholm, K.
Conference on Precision Electromagnetic Measurements, CPEM 2008, 8 - 13 June 2008, Broomfield, Colorado, USA
. IEEE (2008)
DOI: 10.1109/CPEM.2008.4574708

Towards direct closure of the quantum metrological triangle

Tekijät: Manninen, A.; Hahtela, O.; Hakonen, P.; Hassel, Juha; Helistö, Panu; Kemppinen, A.; Möttönen, M.; Paalanen, M.; Pekola, J.; Satrapinski, A.; Seppä, Heikki
CPEM Digest (Conference on Precision Electromagnetic Measurements), Article 4574937 (2008), 630-631
DOI: 10.1109/CPEM.2008.4574937

Intercomparison of the realization of the ITS-90 at the freezing points of Al and Ag among European NMIs

Tekijät: Heyer, D.; Noatsch, U.; Tegeler, E.; Anagnostou, M.; Turzo-Andras, E.; Antonsen, I.; Augevicius, V.; Bojkovski, J.; Bronnum, A.; Chimenti, V.; Weckström, Thua; et al.
International Journal of Thermophysics . Vol. 28 (2007) No: 6, 1964-1975
Asiasanat: Al freezing point, Ag freezing point, CCT, EUROMET, Fixed points, High-temperature standard platinum resistance thermometers, Key comparison, Matthiessen's rule

Nanoampere pumping of Cooper pairs

Tekijät: Vartiainen, J.J.; Möttönen, M.; Pekola, J.P.; Kemppinen, Antti
Applied Physics Letters. AIP Publishing. Vol. 90 ( 2007), 082102
DOI: 10.1063/1.2709967

The varying effect of natural convection on shear stress rate on cylindrical surfaces

Tekijät: Sillanpää, S.; Heinonen, M.
Experimental Thermal and Fluid Science. Elsevier. Vol. 32 (2007) No: 2 , 459-466
Asiasanat: natural convection, shear stress, dynamic weighing

Traceability of laser Frequency Calibrations at MIKES

Tekijät: Merimaa, M.; Nyholm, K.; Vainio, M.; Lassila, A.
IEEE Transactions on Instrumentation and Measurement. IEEE. Vol. 56 (2007) No: 2,  500-504
DOI: 10.1109/TIM.2007.891075

Worldwide comparison of lightning impulse voltage measuring systems at the 400-kV level

Tekijät: Hällstrom, J.; Aro, M.; Bergman, A.; Bovier-Lapierre, V.; Garnacho, F.; Juvik, J.I.; Kiseliev, V.; Lian Hong, Z.; Lucas, W.; Li, Y.; Pykälä, M.L.; Rungis, J.; Schon, K.; Truong, V.H.
IEEE Transactions on Instrumentation and Measurement. IEEE. Vol. 56 (2007) No: 2,  388-391
Asiasanat: Calibration, National Metrology Institute, high voltage, impulse voltage
DOI: 10.1109/TIM.2007.891048

High-accuracy comparison of lightning and switching impulse calibrators

Tekijät: Wakimoto, T.; Hällström, J.K.; Chekurov, Y.; Ishii, M.; Lucas, W.; Piiroinen, J.; Shimizu, H.
IEEE Transactions on Instrumentation and Measurement. IEEE. Vol. 56 (2007) No: 2,  619-623
Asiasanat: Calibration, impulse voltage, international comparison
DOI: 10.1109/TIM.2007.891060

Measurement of aperture diameters using an optical coordinate

Tekijät: Hemming, Björn; Ikonen, Erkki; Noorma, Mart
International Journal of Optomechatronics. Taylor & Francis . Vol. 1 (2007) No: 3, 297-311
DOI: 10.1080/15599610701548803

High-accuracy automatic machine vision based calibration of micrometers

Tekijät: Hemming, B.; Fagerlund, A.; Lassila, A.
Measurement Science and Technology. IOP Publishing. Vol. 18 (2007)  No: 5, 1655-1660
DOI: 10.1088/0957-0233/18/5/058

Calibration of a commercial AFM: traceability for a coordinate system

Tekijät: Korpelainen, V.; Lassila, A.
Measurement Science and Technology. IOP Publishing. Vol. 18 (2007) No: 2 , 10 p.
DOI: 10.1088/0957-0233/18/2/S11

Final Report on EUROMET.T-K3: Regional key comparison of the realisations of the ITS-90 from 83.8058 K to 692.677 K

Tekijät: Renaot, E.; Hermier, Y.; Valin, M.H.; Bonnier, G.; Adunka, F.; van der Linden, A.; Dobre, M.; Smíd, M.; Bronnum, A.; Weckström, T.; et al.
Metrologia, Technical Supplement. Vol. 44 (2007)
DOI: 10.1088/0026-1394/44/1A/03001

Construction and performance evaluation of calibration system for low voltage impulse

Tekijät: Wakimoto, T.; Shimizu, H.; Ishii, M.; Hällström, Jari; Lucas, W.
IEEJ Transactions on Power and Energy. Institute of Electrical Engineers of Japan. Vol. 127 (2007) No: 1 , 261-266
Asiasanat: impulse voltage measurement, traceability, international comparison test
DOI: 10.1541/ieejpes.127.261

Feasibility of DCF 77 or NTP-time servers to control carrier frequencies of base stations

Tekijät: Kalliomäki, K.; Mansten, T.; Rautiainen, Anssi
Proceedings of the IEEE International Frequency Control Symposium and Exposition. Geneva, Switzerland, 29 May - 1 June 2007 (2007), 865 - 867
DOI: 10.1109/FREQ.2007.4319201

Millimeter wave engineering of distributed Josephson junction arrays

Tekijät: Hassel, Juha; Grönberg, Leif; Helistö, Panu; Seppä, Heikki; Nissilä, J.; Manninen, A.
IEEE Transactions on Applied Superconductivity. Vol. 17 (2007) No: 2, 930 - 933
Asiasanat: Josephson junction array, Millimeter wave, Oscillator, Voltage standard
DOI: 10.1109/TASC.2007.898271

Electrical stability of a MEMS-based AC voltage reference

Tekijät: Kärkkäinen, Anu; Tisnek, Nikolai; Manninen, Antti; Pesonen, Nadine; Oja, Aarne S.; Seppä, Heikki
Sensors and Actuators A: Physical. Vol. 137 (2007) No: 1, 169 - 174
Asiasanat:  microelectromechanical systems, MEMS, capacitive sensors, micromachining, built-in voltage, AC voltage reference, oxide charging
DOI: 10.1016/j.sna.2007.02.033

Modulation transfer characteristics of injection-locked diode lasers

Tekijät: Vainio, M.; Merimaa, M.; Nyholm, K.
Optics Communications. Elsevier. Vol. 267 (2006) No: 2 , 455-463
Asiasanat: diode laser, modulation, injection locking
DOI: 10.1016/j.optcom.2006.06.054

Transfer of surface texture from silicon nitride rolls to stainless steel wire in cold-rolling

Tekijät: Andersson, Peter; Wild, M.; Leven, J.; Hemming, Björn
Journal of Materials Processing Technology. Elsevier. Vol. 173  (2006) No: 3, 394-400
Asiasanat: silicon nitride, cold-rolling, wire rolling, surface transfer, wear, surface roughness, texture
DOI: 10.1016/j.jmatprotec.2005.12.009

Comparison of the primary low gas flow standards between MIKES and METAS

Tekijät: Sillanpää, Sampo; Niederhauser, B.; Heinonen, Martti
Measurement. Elsevier. Vol. 39 (2006) No: 1,  26-33
Asiasanat: gas flow, comparison, traceability
DOI: 10.1016/j.measurement.2005.10.002

Absolute frequency measurement of the R(12) 26-0 and R(106) 28-0 transitions in /sup 127/I/sub 2/ at /spl lambda/=543 nm

Tekijät: Ma, L.S.; Picard, S.; Zucco, M.; Chartier, J-M.; Robertsson, L.; Balling, P.; Krin, P.; Qian, J.; Liu, Z.; Shi, C.; Alonso, M.V.; Xu, G.; Tan, S.L.; Nyholm, K.; Henningsen, J.; Hald, J.
IEEE Transactions on Instrumentation and Measurement. IEEE. Vol. 55 (2006) No: 3,  876-880
Asiasanat: optical comb, recommended radiation, wavelength standard, 543 nm, absolute frequency measurement
DOI: 10.1109/TIM.2005.858122

An absolute pressure balance with a removable weight exchange system

Tekijät: Kajastie, Heikki; Rantanen, M.; Riski, K.; Semenoja, S.
Measurement Science and Technology. IOP Publishing. Vol. 16  (2005) No: 10, N33-N37
DOI: 10.1088/0957-0233/16/10/N01

Optical amplifier for femtosecond frequency comb measurements near 633 nm

Tekijät: Vainio, M.; Merimaa, M.; Nyholm, K.
Applied Physics B . Springer. Vol. 81 (2005) No: 8, 1053-1057
DOI: 10.1007/s00340-005-1988-x

Iodine spectrometer based on a 633 nm transmission-grating diode laser

Tekijät: Vainio, M.; Merimaa, Mikko; Ikonen, Erkki
Measurement Science and Technology. IOP Publishing. Vol. 16 (2005)  No: 6, 1305-1311
DOI: 10.1088/0957-0233/16/6/010

Comparison EUROMET.EM-K8 of DC voltage ratio: results

Tekijät: Marullo-Reedtz, G.; Cerri, R.; Waldmann, W.; Streit, J.; Immonen, P.; Blanc, I.; Raso, F.; Funck, T.; Schumacher, B.; Dierikx, E.F.; Nunes, M.; Vrabcek, P.; Rudohradsky, D.; Gunnarsson, O.; Rydler, K.-E.; Jeanneret, B.; Jeckelmann, B.; Pulfer, T.; Turhan, S.S.; Yilmaz, O.; Williams, J.M.; Slinde, H.; Lind, K.; Nicolas, J.; Lindic, M.; Flouda, E.; Erdos, G.
IEEE Transactions on Instrumentation and Measurement. IEEE. Vol. 54 (2005) No: 2,  576-579
Asiasanat: key comparisons, voltage dividers, voltage ratio measurements
DOI: 10.1109/TIM.2004.843481

Comparison of two impulse calibrators with a high-resolution digitizer

Tekijät: Yi, L.; Hällström, J.K.; Lucas, W.
IEEE Transactions on Instrumentation and Measurement. IEEE. Vol. 54 (2005) No: 2,  608-611
Asiasanat: calibrators, comparison measurements, digitizers, lightning impulse voltage
DOI: 10.1109/TIM.2004.843375

MEMS-based AC voltage reference

Tekijät: Kärkkäinen, Anu; Pesonen, Nadine; Suhonen, Mika; Oja, Aarne S.; Manninen, Antti; Tisnek, Nikolai; Seppä, Heikki
IEEE Transactions on Instrumentation and Measurement. Vol. 54 (2005) No: 2, 595 - 599
Asiasanat: capacitive sensors, AC voltage reference, microelectromechanical systems, MEMS, micromachining, silicon-on-insulator, SOI
DOI: 10.1109/TIM.2004.843422

Stimulated power generation in ES-SIS junction arrays

Tekijät: Hassel, Juha; Helistö, Panu; Grönberg, Leif; Seppä, Heikki; Nissilä, Jaani; Kemppinen, Antti
IEEE Transactions on Instrumentation and Measurement. Vol. 54 (2005) No: 2, 632 - 635
Asiasanat: Josephson array, Josephson voltage, Josephson voltage standards
DOI: 10.1109/TIM.2004.843119

Realization of a square-wave voltage with externally-shunted SIS Josephson junction arrays for a quantum AC voltage standard

Tekijät: Nissilä, Jaani; Kemppinen, Antti; Ojasalo, Kari; Hassel, Juha; Manninen, Antti; Helistö, Panu; Seppä, Heikki
IEEE Transactions on Instrumentation and Measurement. Vol. 54 (2005) No: 2, 636 - 640
Asiasanat: AC, Josephson voltage array (JVA), Josephson junction arrays, square voltage, voltage standard, Josephson junction
DOI: 10.1109/TIM.2004.843117

Study on temperature and density gradients in water for hydrostatic density determination

Tekijät: Riski, Kari; Kajaste, Heikki
Measurement Science and Technology. IOP Publishing. Vol. 15 (2004) No: 9 , 1687-1693
DOI: 10.1088/0957-0233/15/9/003

Acoustic method for determination of the effective temperature and refractive index of air in accurate length interferometry

Tekijät: Korpelainen, V.; Lassila, A.
Optical Engineering . SPIE. Vol. 43 (2004) No: 10, 2400-2409
DOI: 10.1117/1.1787834

A calculable impulse voltage calibrator for calibration of impulse digitizers

Tekijät: Hällström, J.K.; Chekurov, Y.Y.; Aro, M.M.
IEEE Transactions on Instrumentation and Measurement. IEEE. Vol. 52 (2003) No: 2,  400-403
DOI: 10.1109/TIM.2003.810714

Possible application of a cryogenic current comparator bridge for the measurement of capacitance standards

Tekijät: Satrapinski, A.
MAPAN - Journal of Metrology Society of India. Metrology Society of India. Vol. 18 (2003)  No: 3, 133-136
http://www.metrologyindia.org/mapan/69

Application of combined standard of resistance and capacitance for quadrature bridge

Tekijät: Satrapinski, A.; Semenov, Y.P.
MAPAN - Journal of Metrology Society of India. Metrology Society of India. Vol. 18  (2003) No: 3, 129-132
http://www.metrologyindia.org/mapan/69

The effect of density gradients on hydrometers

Tekijät: Heinonen, Martti; Sillanpää, Sampo
Measurement Science and Technology. IOP Publishing. Vol. 14 (2003)  No: 5, 625-628
DOI: 10.1088/0957-0233/14/5/313

Comparison of 127I2-stabilized frequency-doubled Nd:YAG lasers at the Bureau International des Poids et Mesures

Tekijät: Picard, S.; Robertsson, L.; Ma, L-S.; Nyholm, Kaj; Merimaa, M.; Ahola, T.E.; Balling, P.; Kren, P.; Wallerand, J-P.
Applied Optics. The Optical Society. Vol. 42 (2003) No: 6 , 1019-1028
DOI: 10.1364/AO.42.001019

All-optical atomic clock based on coherent population trapping in 85Rb

Tekijät: Merimaa, M.; Lindvall, T.; Tittonen, I.; Ikonen, E.
JOSA B. The Optical Society. Vol. 20 (2003) No: 2 , 273-279
DOI: 10.1364/JOSAB.20.000273

Analysis of different measurement setups for a programmable Josephson voltage standard

Tekijät: Behr, R.; Kohlmann, J.; Janssen, J.-T.B.M.; Kleinschmidt, P.; Williams, J.M.; Djordjevic, S.; Lo-Hive, J.-P.; Piquemal, F.; Hetland, P.-O.; Reymann, D.; Eklund, G.; Hof, C.; Jeanneret, B.; Chevtchenko, O.; Houtzager, E.; van den Brom, H.E.; Sosso, A.; Andreone, D.; Nissilä, J.; Helistö, P.
IEEE Transactions on Instrumentation and Measurement. IEEE. Vol. 52 (2003) No: 2,  524-528
DOI: 10.1109/TIM.2003.811570

Results from international comparisons at the BIPM providing a world-wide reference network of 127I2 stabilized frequency-doubled Nd:YAG lasers

Tekijät: Picard, S.; Robertsson, L.; Ma, L.-S.; Millerioux, Y.; Juncar, P.; Wallerand, J.-P.; Balling, P.; Kren, P.; Nyholm, K.; Merimaa, M.; Ahola, T.E.; Hong, F.-L.
IEEE Transactions on Instrumentation and Measurement. IEEE. Vol. 52 (2003) No: 2,  236-239
DOI: 10.1109/TIM.2003.810459

Frequency stabilization of a diode-pumped Nd:Yag laser at 532 nm to iodine by using third-harmonic technique

Tekijät: Nyholmm K.; Merimaa, M.; Ahola, T.; Lassila, A.
IEEE Transactions on Instrumentation and Measurement. IEEE. Vol. 52 (2003) No: 2,  284-287
DOI: 10.1109/TIM.2003.811679

AC Voltage Standard Based on a Programmable SIS Array

Tekijät: Helistö, Panu; Nissilä, Jaani; Ojasalo, Kari; Penttilä, Jari S.; Seppä, Heikki
IEEE Transactions on Instrumentation and Measurement. Vol. 52 (2003) No: 2, 533 - 537
Asiasanat: AC voltage, programmable Josephson voltage standard
DOI: 10.1109/TIM.2003.810462

Analysis of International Comparisons with the Minimum Variance Method

Tekijät: Helistö, Panu; Seppä, Heikki
IEEE Transactions on Instrumentation and Measurement. Vol. 52 (2003) No: 2, 495 - 499
Asiasanat: 1/f noise, international comparisons, metrology, mutual recognition arrangement (MRA), reference value, Zener voltage standard
DOI: 10.1109/TIM.2003.810461

Calibration of dial indicators using machine vision

Tekijät: Hemming, Björn; Lehto, Heikki
Measurement Science and Technology. IOP Publishing. Vol. 13 (2002) No: 1 , 45-49
DOI: 10.1088/0957-0233/13/1/306

A comparison of humidity standards at seven European national standards laboratories

Tekijät: Heinonen, M.
Metrologia. IOP Publishing . Vol. 39 (2002) No: 3, 303-308
DOI: 10.1088/0026-1394/39/3/7

Comparison of four QHR systems within one month using a temperature and pressure stabilized 100-Ohm resistor

Tekijät: Satrapinski, A.; Seppä, H.; Schumacher, B.; Warnecke, P.; Delahaye, F.; Poirier, W.; Piquemal, F.
IEEE Transactions on Instrumentation and Measurement. IEEE. Vol. 50 (2002) No: 2,  238-241
DOI: 10.1109/19.918111

Thin-film cryogenic current comparator

Tekijät: Seppä, H.; Satrapinski, A.; Kiviranta, M.; Virkki, V.
IEEE Transactions on Instrumentation and Measurement. IEEE. Vol. 48 (2002) No: 2,  365-369
DOI: 10.1109/19.769602

AC resistance bridge based on the cryogenic current comparator

Tekijät: Seppä, H.; Satrapinski, A.
IEEE Transactions on Instrumentation and Measurement. IEEE. Vol. 46 (2002) No: 2,  463-466
DOI: 10.1109/19.571886

Frequency dependence of 100-Ohm standard resistors measured with a CCC-based AC resistance bridge

Tekijät: Seppä, H.; Satrapinski, A.; Varpula, T.; Saari, J-M.
IEEE Transactions on Instrumentation and Measurement. IEEE. Vol. 44 (2002) No: 2,  276-280
DOI: 10.1109/19.377830

New AC current shunts of MIKES

Tekijät: Mansten, Tapio; Rautiainen, Anssi; Helistö, Panu
CPEM'2002 Conf. Digest. Ottawa, 16 - 21 June 2002 (2002), 370 -371

Experiments with coherent gamma fields: Gamma echo and related phenomena

Tekijät: Helistö, Panu; Tittonen, I.
Hyperfine Interactions . Springer. Vol. 135 (2001) No: 1-4, 167-190
Asiasanat: coherent gamma fields , gamma echo, gamma-NMR double resonance
DOI: 10.1023/A:1013911132416

Portable frequency standard at 633 nm with compact external-cavity diode laser

Tekijät: Merimaa, M.; Kokkonen, P.; Nyholm K.; Ikonen, E.
Metrologia. IOP Publishing. Vol. 38 (2001) No: 4 , 311-318
DOI: 10.1088/0026-1394/38/4/4

Transport behavior of commercially available 100-Ohm standard resistors

Tekijät: Schumacher, B.; Warnecke, P.; Poirier, W.; Delgado, I.; Msimang, Z.; Boella, G.; Hetland, P.O.; Elmquist, R.E.; Williams, J.; Inglis, D.; Jeckelmann, B.; Gunnarsson, O.; Satrapinsky, A.
IEEE Transactions on Instrumentation and Measurement. IEEE. Vol. 50 (2001) No: 2,  242-244
DOI: 10.1109/19.918112

Measurement uncertainty in the presence of low frequency noise

Tekijät: Helistö, Panu; Seppä, Heikki
IEEE Transactions on Instrumentation and Measurement. IEEE. Vol. 50 (2001) No: 2, 453 - 456
DOI: 10.1109/19.918164

Bilateral comparisons of hydrometer calibrations between the IMGC-LNE and the IMGC-MIKES

Tekijät: Lorefice, S.; Heinonen, M.; Madec, T.
Metrologia . IOP Publishing. Vol. 37 (2000) No: 2,  141-147
DOI: 10.1088/0026-1394/37/2/6

International comparison of He-Ne lasers stabilized with 127I2 at [lambda] = 633 nm: Comparison of the fifth- and third-harmonic locking techniques

Tekijät: Lassila, A.; Riski, K.; Hu, J.; Ahola, T.; Naicheng, S.; Chengyang, L.; Balling, P.; Blabla, J.; Abramova, L.; Zakharenko, Y.G.; Fedorin, V.L.; Chartier, A.; Chartier, J-M.
Metrologia. IOP Publishing . Vol. 37 (2000) No: 6, 701-707
DOI: 10.1088/0026-1394/37/6/8

International comparison of eight semiconductor lasers stabilized on 127I2 at [lambda] = 633 nm

Tekijät: Zarka, A.; Abou-Zeid, A.; Chagniot, D.; Chartier, J-M.; Cip, O.; Cliche, J.; Edwards, C.S.; Imkenberg, F.; Jedlicka, P.; Kabel, B.; Lassila, A.; Lazar, J.; Merimaa, M.; Millerioux, Y.; Simonsen, H.; Têtu, M.; Wallerand, J-P.
Metrologia. IOP Publishing. Vol. 37 ( 2000) No: 4, 329-339
DOI: 10.1088/0026-1394/37/4/11

Copyright VTT TECHNICAL RESEARCH CENTRE OF FINLAND LTD