Research Output 1984 2019

2019

Active Hyperspectral Sensor Based on MEMS Fabry-Pérot Interferometer

Kääriäinen, T., Jaanson, P., Vaigu, A., Mannila, R. & Manninen, A., 2019, In : Sensors. 19, 9, 2192.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Micro-Electrical-Mechanical Systems
Interferometers
microelectromechanical systems
MEMS
interferometers

Application of Charge-Sensitive Preamplifier for the Calibration of Partial Discharge Calibrators Below 1 pC

Havunen, J. & Hällström, J., Jun 2019, In : IEEE Transactions on Instrumentation and Measurement. 68, 6, p. 2034-2040 7 p., 8640062.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
preamplifiers
Partial discharges
Calibration
Signal to noise ratio
signal to noise ratios

Beyond the Obvious - The Industry 5.0 by Hybrid Modelling

Lämsä, V. S., Leino, S-P., Kortelainen, J., Hemming, B., Nieminen, V., Saarela, O., Kivikytö-Reponen, P. & Kotovirta, V., 2019, Proceedings of the NAFEMS World Congress 2019. 17 p.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Industry
Knowledge engineering
Physics

Broadband lasers for photo-ionization and repumping of trapped ions

Fordell, T. & Lindvall, T., 2019, In : Journal of the Optical Society of America B: Optical Physics. 36, 2, p. 415-420

Research output: Contribution to journalArticleScientificpeer-review

photoionization
broadband
lasers
DBR lasers
ions

Broadband lasers for photo-ionization and trapped-ion operations

Fordell, T. & Lindvall, T., Jun 2019, 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019. IEEE Institute of Electrical and Electronic Engineers , 8871597

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Trapped ions
Geodesy
Photoionization
Mass spectrometry
Light sources
1 Citation (Scopus)

Broadband photoacoustic spectroscopy of CH414 with a high-power mid-infrared optical frequency comb

Karhu, J., Tomberg, T., Vieira, F. S., Genoud, G., Hänninen, V., Vainio, M., Metsälä, M., Hieta, T., Bell, S. & Halonen, L., 1 Mar 2019, In : Optics Letters. 44, 5, p. 1142-1145 4 p.

Research output: Contribution to journalArticleScientificpeer-review

photoacoustic spectroscopy
light sources
methane
broadband
infrared spectra

Comparison of Measuring Systems for Puncture Test According to IEC 61211

Hällström, J., Havunen, J., Yan, W., Li, Y., Thelio, M., Vinicius, M., Filho, O. & Laiho, M., 2019, (Accepted/In press) 21st International Symposium on High Voltage Engineering, ISH2019. 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Open Access
Electric potential
Wire
Resistors
Position measurement
Flashover

Comparison of PD Calibration Capabilities in Four National Metrology Institutes Down to 0.1 pC

Hällström, J., Havunen, J., Bergman, A. E., Elg, A-P., Merev, A., Dedeoglu, S., Karaman, İ., Simón, P., Rovira, J., Garcia, T. & Garnacho, F., 2019, (Accepted/In press) 21st International Symposium on High Voltage Engineering, ISH2019. 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Open Access
metrology
signal to noise ratios
amplifiers
electric potential
1 Citation (Scopus)

Current Step Generation and Measurement with Nanosecond Rise Time using Coaxial Cable Generator

Rehman, M. Z., Hallstrom, J. & Havunen, J., 14 Feb 2019, 2018 IEEE International Conference on High Voltage Engineering and Application: ICHVE 2018. IEEE Institute of Electrical and Electronic Engineers , 8642188. (ICHVE 2018 - 2018 IEEE International Conference on High Voltage Engineering and Application).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Coaxial cables
Electric sparks
Sensors
Calibration
Geometry
10 Downloads (Pure)
Open Access
File
Industry
Life cycle
Raw materials
Electronic data interchange
Interoperability
1 Citation (Scopus)

Device and method for measuring thickness variation of large roller element bearing rings

Viitala, R., Viitala, R., Gruber, G., Hemming, B., Widmaier, T., Tammi, K. & Kuosmanen, P., 1 Jan 2019, In : Precision Engineering. 55, p. 59-69 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Bearings (structural)
Rotors
Fast Fourier transforms

Diode-laser-pumped continuous-wave optical parametric oscillator with a large mid-infrared tuning range

Ulvila, V. & Vainio, M., 15 May 2019, In : Optics Communications. 439, p. 99-102 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Optical parametric oscillators
parametric amplifiers
continuous radiation
Semiconductor lasers
Tuning

Dynamic calibration method for reactive gases

Saxholm, S., Rajamäki, T., Hämäläinen, J. & Hilden, P., 2 Dec 2019, In : Measurement Science and Technology. 31, 3, 14 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Evaporation
Calibration
evaporation
Gas mixtures
Gas Mixture

Flat-field calibration method for hyperspectral frame cameras

Kokka, A., Pulli, T., Honkavaara, E., Markelin, L., Kärhä, P. & Ikonen, E., 6 Aug 2019, In : Metrologia. 56, 5, 055001.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Cameras
Calibration
Scanning
Pixels
Interferometers

Frequency comb generation in a continuous-wave pumped second-order nonlinear waveguide resonator

Abdallah, Z., Stefszky, M., Ulvila, V., Silberhorn, C. & Vainio, M., 1 Jan 2019, CLEO: Science and Innovations, CLEO_SI 2019. Optical Society of America OSA, 8750403. (Optics InfoBase Conference Papers, Vol. Part F129-CLEO_SI 2019).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Resonators
Waveguides
Lithium
lithium niobate

Gas equilibration gas modulation refractometry for assessment of pressure with sub-ppm precision

Silander, I., Hausmaninger, T., Forssén, C., Zelan, M. & Axner, O., 2019, In : Journal of Vacuum Science and Technology B: Nanotechnology and Microelectronics. 37, 4, 042901.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Gases
Modulation
modulation
cavities
gases

Harmonic Power Standard of VTT MIKES

Lehtonen, T. A., 1 Jun 2019, In : IEEE Transactions on Instrumentation and Measurement. 68, 6, p. 2047-2052 6 p., 8556073.

Research output: Contribution to journalArticleScientificpeer-review

harmonics
Voltage dividers
Function generators
Voltage measurement
Transconductance

High-Accuracy autocollimator calibration by interferometric 2D angle generator

Heikkinen, V., Byman, V., Shpak, M., Geckeler, R., Just, A., Krause, M., Schumann, M. & Lassila, A., 9 Sep 2019, Advances in Metrology for X-Ray and EUV Optics VIII. Assoufid, L., Ohashi, H. & Asundi, A. K. (eds.). International Society for Optics and Photonics SPIE, 1110903. (Proceedings of SPIE, Vol. 11109).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

collimators
High Accuracy
Calibration
generators
Generator

High-resolution trace gas detection by sub-Doppler noise-immune cavity-enhanced optical heterodyne molecular spectrometry: Application to detection of acetylene in human breath

Zhao, G., Hausmaninger, T., Schmidt, F. M., Ma, W. & Axner, O., 1 Jan 2019, In : Optics Express. 27, 13, p. 17940-17953 14 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
acetylene
cavities
high resolution
gases
spectroscopy

Influence of smart lighting control on the lifetime of high power LED luminaires

Askola, J., Baumgartner, H., Pulli, T., Krh, P. & Ikonen, E., Nov 2019, In : IOP Conference Series: Earth and Environmental Science. 352, 1, 012043.

Research output: Contribution to journalArticle in a proceedings journalScientificpeer-review

Open Access
energy
rate
lighting
consumption
electric power

Intercomparison of reference measuring systems for lightning impulses between three National Metrology Institutes

Meisner, J., Elg, A. P., Hallstrom, J., Passon, S., Havunen, J., Bergman, A. & Nordlund, M., 14 Feb 2019, 2018 IEEE International Conference on High Voltage Engineering and Application: ICHVE 2018. IEEE Institute of Electrical and Electronic Engineers , 8642002. (ICHVE 2018 - 2018 IEEE International Conference on High Voltage Engineering and Application).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Lightning
Electric potential
Uncertainty

Introduction to the acta IMEKO special issue on the 'IMEKO TC3, TC5 and TC22 international conference 2017'

Ojanen-Saloranta, M. & Koponen, P., 1 Mar 2019, In : Acta IMEKO. 8, 1, p. 1-2 2 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access

Laser Spectroscopy for Monitoring of Radiocarbon in Atmospheric Samples

Genoud, G., Lehmuskoski, J., Bell, S., Palonen, V., Oinonen, M., Koskinen-Soivi, M. L. & Reinikainen, M., 1 Oct 2019, In : Analytical Chemistry. 91, 19, p. 12315-12320 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Laser spectroscopy
Monitoring
Gas emissions
Carbon Dioxide
Isotopes

Linking the optical and the mechanical measurements of dimension by a Newton's rings method

Balling, P., Ramotowski, Z., Szumski, R., Lassila, A., Křen, P. & Mašika, P., 8 Mar 2019, In : Metrologia. 56, 2, 14 p., 025008.

Research output: Contribution to journalArticleScientificpeer-review

Gage blocks
Gages
Interferometers
Steel
Surface roughness

Material standards design for minimum zone fitting of freeform optics

Arezki, Y., Lepretre, F., Psota, P., Su, R., Heikkinen, V., Zhang, X., Cai, N., Bitou, Y., Leach, R., Lédl, V., Anwer, N., Mehdi-Souzani, C. & Nouira, H., Jun 2019, 19th International Conference of the European Society for Precision Engineering and Nanotechnology: EUSPEN 2019. Leach, R. K., Billington, D., Nisbet, C. & Phillips, D. (eds.). Euspen, p. 264-267

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Optics
optics
valleys
Coordinate measuring machines
artifacts

Measuring Losses of an Air-Core Shunt Reactor with an Advanced Loss Measuring System

Havunen, J., Suomalainen, E-P., Tornberg, J., Hällström, J., Lehtonen, T. & Merviö, A., 2019, 21st International Symposium on High Voltage Engineering, ISH2019. 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Open Access
Reactor cores
Air
Electric potential
Sensors
Buffer amplifiers
1 Citation (Scopus)

Metrology for very fast current transients

Passon, S., Havunen, J., Meisner, J. & Kurrat, M., 13 Feb 2019, 2018 IEEE International Conference on High Voltage Engineering and Application: ICHVE 2018. IEEE Institute of Electrical and Electronic Engineers , 4 p. 8641787. (ICHVE 2018 - 2018 IEEE International Conference on High Voltage Engineering and Application).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Calibration
Cables
Sensors
Electric potential
Electric sparks

Optical interruption of a quantum cascade laser for cavity ring-down spectroscopy

Kääriäinen, T. & Genoud, G., 28 Oct 2019, In : Optics Letters. 44, 21, p. 5294-5297 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
interruption
quantum cascade lasers
infrared lasers
cavities
rings

Parasitic loads in torque standard machines: A characterisation, comparison, and evaluation

Baumgarten, S., Röske, D., Hiiro, J. A., Vavrečka, L., Kock, S. & Gnauert, J., 2019, In : Acta IMEKO. 8, 3, p. 78-89 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
torque
Loads (forces)
Torque
Transducers
transducers

Photoacoustic optical frequency comb spectroscopy of radioactive methane in the mid-infrared region

Karhu, J., Tomberg, T., Vieira, F. S., Genoud, G., Hanninen, V., Vainio, M., Metsälä, M., Hieta, T., Bell, S. & Halonen, L., Jun 2019, 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019. IEEE Institute of Electrical and Electronic Engineers , 8872587

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Photoacoustic effect
Methane
Laser spectroscopy
methane
Spectroscopy

Precision Calibration System for Partial Discharge Calibrators

Havunen, J. & Hällström, J., 8 Aug 2019, Proceedings of the 26th Nordic Insulation Symposium, NORD-IS 19. p. 6-9 (Proceedings of the Nordic Insulation Symposium, Vol. 26).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Open Access
Partial discharges
Calibration
Uncertainty

Radiocarbon Detection Using Photoacoustic Spectroscopy

Fatima, M., 2019.

Research output: Contribution to conferenceConference PosterScientificpeer-review

Software Defined Radio Based Phase Meterfor Frequency Metrology

Hanhijärvi, K. & Wallin, A., 2019, XXXV Finnish URSI Convention on Radio Science: Programme and Proceedings. 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Open Access
File
metrology
hydrogen masers
computer programs
bandwidth
deviation

Thin film conformality analysis with microscopic PillarHall lateral high aspect ratio structures: uncertainty estimates

Korpelainen, V., Ylivaara, O. M. E., Gao, F., Utriainen, M., Ylilammi, M. & Puurunen, R. L., 15 Oct 2019.

Research output: Contribution to conferenceConference PosterScientificpeer-review

Validation of the fisheye camera method for spatial non-uniformity corrections in luminous flux measurements with integrating spheres

Kokka, A., Pulli, T., Ferrero, A., Dekker, P., Thorseth, A., Kliment, P., Klej, A., Gerloff, T., Ludwig, K., Poikonen, T. & Ikonen, E., 18 Jun 2019, In : Metrologia. 56, 4, 045002.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Cameras
Fluxes
Electric lamps
Light emitting diodes
2018
1 Citation (Scopus)

A continuously tunable NIR laser and its applications in material classification

Jaanson, P., Vaigu, A., Kääriäinen, T., Mannila, R., Lehtomäki, V. & Manninen, A., 2018, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing XIV. Singh, U. N. & Tzeremes, G. D. (eds.). Bellingham: International Society for Optics and Photonics SPIE, 1079107. (Proceedings of SPIE, Vol. 10791).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Laser tuning
laser applications
tunable lasers
Laser
Infrared lasers

A New Primary Dew-Point Generator at TUBITAK UME

Oğuz Aytekin, S., Karaböce, N., Heinonen, M. & Sairanen, H., 1 May 2018, In : International Journal of Thermophysics. 39, 5, 62.

Research output: Contribution to journalArticleScientificpeer-review

dew point
generators
humidity
baths
temperature scales

An optical atomic clock using a single 171Yb+ ion with a characterisation of thermal systematic effects

Baynham, C., Curtis, E. A., Godun, R. M., Jones, J. M., Nisbet-Jones, P. B. R., Baird, P. E. G., Gill, P., Fordell, T. & Lindvall, T., 1 Jul 2018, Book of abstracts of the 50th Anniversary EGAS conference. p. 81 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

2 Citations (Scopus)

Application of Charge-Sensitive Preamplifier for the Calibration of Partial Discharge Calibrators Below 1 pC

Havunen, J. & Hällström, J., 2018, CPEM 2018 - Conference on Precision Electromagnetic Measurements. IEEE Institute of Electrical and Electronic Engineers , 2 p. 643

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

calibration
software
services
method

A Simple High-Performance Remote-Maser Concept

Fordell, T. & Wallin, A., 2018, 2018 European Frequency and Time Forum (EFTF): Abstracts. p. 143

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

Comparison of Sampling Voltage Measurements of Multi-Tone Signals

Sira, M., Diaz De Aguilar, J., Öztürk, T., Lee, J., Behr, R. & Nissilä, J., 2018, CPEM 2018 - Conference on Precision Electromagnetic Measurements. IEEE Institute of Electrical and Electronic Engineers , 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Voltage measurement
Sampling
Electric potential

Determining biogenic content of biogas by measuring stable isotopologues 12CH4, 13CH4, and CH3D with a mid-infrared direct absorption laser spectrometer

Kääriäinen, T., Richmond, C. A. & Manninen, A., 7 Feb 2018, In : Sensors. 18, 2, 496.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
laser spectrometers
Biofuels
Biogas
Methane
Spectrometers
3 Citations (Scopus)

Development of a primary standard for dynamic pressure based on drop weight method covering a range of 10 MPa-400 MPa

Salminen, J., Högström, R., Saxholm, S., Lakka, A., Riski, K. & Heinonen, M., 6 Feb 2018, In : Metrologia. 55, 2, p. S52-S59

Research output: Contribution to journalArticleScientificpeer-review

Pressure transducers
Pistons
Transducers
Calibration
Liquids

Development of measurement and calibration techniques for dynamic pressures and temperatures (DynPT): Background and objectives of the 17IND07 DynPT project in the European Metrology Programme for Innovation and Research (EMPIR)

Saxholm, S., Högström, R., Sarraf, C., Sutton, G., Wynands, R., Arrhén, F., Jönsson, G., Durgut, Y., Peruzzi, A., Fateev, A., Liverts, M., Adolfse, C. & Oster, A., 2018, In : Journal of Physics: Conference Series. 1065, 16, 162015.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
dynamic pressure
metrology
pressure measurement
temperature
temperature measurement
1 Citation (Scopus)

Development of white LED illuminants for colorimetry and recommendation of white LED reference spectrum for photometry

Kokka, A., Poikonen, T., Blattner, P., Jost, S., Ferrero, A., Pulli, T., Ngo, M., Thorseth, A., Gerloff, T., Dekker, P., Stuker, F., Klej, A., Ludwig, K., Schneider, M., Reiners, T. & Ikonen, E., 28 Jun 2018, In : Metrologia. 55, 4, p. 526-534 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Colorimetry
Photometry
Light emitting diodes
Photometers
Calibration

Diode-laser-pumped continuous-wave mid-infrared optical parametric oscillator

Ulvila, V. & Vainio, M., 2018, (Submitted) In : arXiv preprint.

Research output: Contribution to journalArticleScientific

parametric amplifiers
continuous radiation
semiconductor lasers
tuning
wavelengths

Driving a Josephson Junction Array with a Mode-Locked Laser and a Photodiode

Nissilä, J., Fordell, T., Kieler, O. & Behr, R., 2018, CPEM 2018 - Conference on Precision Electromagnetic Measurements. IEEE Institute of Electrical and Electronic Engineers , 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Josephson junctions
photodiodes
lasers
pulse rate
pulse generators

Effect of Coaxial Cables on Measurements Performed with Resistive Lightning Impulse Voltage Dividers

Havunen, J., Passon, S., Hällström, J. & Bergman, A., 19 Oct 2018, CPEM 2018 - Conference on Precision Electromagnetic Measurements. IEEE Institute of Electrical and Electronic Engineers , 2 p. 8501140

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Voltage dividers
Coaxial cables
Lightning
Electric potential
Cables

Effects of Sample Handling and Transportation on the Moisture Content of Biomass Samples

Salminen, J., Sairanen, H., Patel, S., Ojanen-Saloranta, M., Kajastie, H., Palkova, Z. & Heinonen, M., 1 May 2018, In : International Journal of Thermophysics. 39, 5, 66.

Research output: Contribution to journalArticleScientificpeer-review

biomass
moisture content
Finland
bags
moisture