Research Output

2011

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

Kemppinen, A., Maisi, V. F., Saira, O-P., Kafanov, S., Lotkhov, S. V., Pashkin, Y. A., Aref, T., Meschke, M., Möttönen, M., Hahtela, O., Hassel, J., Luomahaara, J., Mykkänen, E., Koivula, H., Averin, D. V., Seppä, H., Tsai, J. S., Zorin, A. B., Manninen, A. & Pekola, J. P., 2011, Proceedings: XXXth URSI General Assembly and Scientific Symposium, URSIGASS 2011. IEEE Institute of Electrical and Electronic Engineers, 6050291

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

Single-electron shuttle based on a silicon quantum dot

Chan, K. W., Möttönen, M., Kemppinen, A., Lai, N. S., Tan, K. Y., Lim, W. H. & Dzurak, A. S., 2011, In : Applied Physics Letters. 98, 21, 3 p., 212103.

Research output: Contribution to journalArticleScientificpeer-review

33 Citations (Scopus)

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

Högström, R., Yli-Ojanperä, J., Rostedt, A., Iisakka, I., Mäkelä, J. M., Heinonen, M. & Keskinen, J., 2011, In : Metrologia. 48, 5, p. 426-436 11 p.

Research output: Contribution to journalArticleScientificpeer-review

10 Citations (Scopus)
2012

An improved method for switching-impulse evaluation

Nilsson, A., Bergman, A. & Hällström, J., 3 Oct 2012, 2012 Conference on Precision electromagnetic Measurements. IEEE Institute of Electrical and Electronic Engineers, p. 20-21 2 p. 6250638

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

5 Citations (Scopus)

Bilateral three-phase 50 Hz power comparison

Hällström, J., Svensson, S., Suomalainen, E. P. & Immonen, P., 3 Oct 2012, 2012 Conference on Precision electromagnetic Measurements. IEEE Institute of Electrical and Electronic Engineers, p. 118-119 2 p. 6250689

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

1 Citation (Scopus)

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

Lindvall, T., Merimaa, M., Tittonen, I. & Madej, A. A., 2012, In : Physical Review A: Atomic, Molecular, and Optical Physics. 86, 3, 033403.

Research output: Contribution to journalArticleScientificpeer-review

12 Citations (Scopus)

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

Rimminen, H., Hällström, J., Immonen, P., Seppä, H., Manninen, A., Latonen, T., Kyynäräinen, J. & Kärkkäinen, A., 2012, Proceedings: Conference on Precision electromagnetic Measurements, CPEM 2012 2012. IEEE Institute of Electrical and Electronic Engineers, p. 232-233

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

1 Citation (Scopus)

Design of a wideband HVDC reference divider

Hällström, J., Bergman, A., Dedeoǧlu, S., Elg, A., Houtzager, E., Lucas, W., Merev, A., Meisner, J., Sardi, A., Suomalainen, E. P. & Weber, C., 3 Oct 2012, 2012 Conference on Precision electromagnetic Measurements. IEEE Institute of Electrical and Electronic Engineers, p. 207-208 2 p. 6250874

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

10 Citations (Scopus)

EURAMET #1172: Bilateral three-phase AC power and energy comparison at power frequency

Hällström, J., Suomalainen, E-P., Immonen, P. & Svensson, S., 2012, Espoo: Centre of Metrology and Accreditation. 18 p. (MIKES Publication; No. J2/2012).

Research output: Book/ReportReport

Open Access

Luminous efficacy measurement of solid-state lamps

Poikonen, T., Pulli, T., Vaskuri, A., Baumgartner, H., Kärhä, P. & Ikonen, E., 2012, In : Metrologia. 49, 2, p. 135-140 5 p.

Research output: Contribution to journalArticleScientificpeer-review

10 Citations (Scopus)

Methods for comparison of loss angle standards at 10 kV level

Hällström, J., Klionsky, M. & Suomalainen, E. P., 3 Oct 2012, 2012 Conference on Precision electromagnetic Measurements. IEEE Institute of Electrical and Electronic Engineers, p. 402-403 2 p. 6250973

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

Selection and characterization of resistors for a HVDC reference divider

Houtzager, E., Rietveld, G., Hällström, J., Elg, A. P. & Van Der Beek, J. H. N., 3 Oct 2012, 2012 Conference on Precision electromagnetic Measurements. IEEE Institute of Electrical and Electronic Engineers, p. 197-198 2 p. 6250869

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

8 Citations (Scopus)

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

Poikonen, T., Blattner, P., Kärhä, P. & Ikonen, E., 2012, In : Metrologia. 49, 6, p. 727-736 9 p.

Research output: Contribution to journalArticleScientificpeer-review

4 Citations (Scopus)

Uusi SI-järjestelmä toteuttaa Maxwellin unelman

Manninen, A., 2012, In : Arkhimedes. 2, p. 10-20 11 p.

Research output: Contribution to journalArticleProfessional

2013

Characterization of epitaxial and CVD graphene with double metal-graphene

Novikov, S., Hämäläinen, J., Walden, J., Iisakka, I., Lebedeva, N. & Satrapinski, A., 2013, Proceedings: 16th International Congress of Metrology. Filtz, J. R. (ed.). EDP Sciences, 4 p. 13003

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

Open Access

Characterization of the linearity of a 1200 kV HVDC divider

Hällström, J., 2013, Espoo: Centre of Metrology and Accreditation. 16 p. (MIKES Publication; No. J2/2013).

Research output: Book/ReportReport

Open Access

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

Maisi, V. F., Lotkhov, S. V., Kemppinen, A., Heimes, A., Muhonen, J. T. & Pekola, J. P., 2013, In : Physical Review Letters. 111, 14, 147001.

Research output: Contribution to journalArticleScientificpeer-review

30 Citations (Scopus)

International timescales with optical clocks (ITOC)

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. & 3 others, Gersl, J., Lindvall, T. & Merimaa, M., 2013, 2013 Joint European Frequency and Time Forum & International Frequency Control Symposium (EFTF/IFC) . IEEE Institute of Electrical and Electronic Engineers, p. 908-911

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

19 Citations (Scopus)

Sensitivity optimization of epitaxial graphene-based gas sensors

Novikov, S., Satrapinski, A., Lebedeva, N. & Iisakka, I., 2013, In : IEEE Transactions on Instrumentation and Measurement. 62, 6, p. 1859-1864 5 p.

Research output: Contribution to journalArticleScientificpeer-review

12 Citations (Scopus)

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

Pekola, J. P., Saira, O-P., Maisi, V. F., Kemppinen, A., Möttönen, M., Pashkin, Y. A. & Averin, D. V., 2013, In : Reviews of Modern Physics. 85, 4, 1421.

Research output: Contribution to journalArticleScientificpeer-review

193 Citations (Scopus)

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

Hirvonen, J-M., Poikonen, T., Vaskuri, A., Kärhä, P. & Ikonen, E., 2013, In : Measurement Science and Technology. 24, 11, 8 p., 115201.

Research output: Contribution to journalArticleScientificpeer-review

9 Citations (Scopus)

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

Lindvall, T., Fordell, T., Tittonen, I. & Merimaa, M., 2013, In : Physical Review A: Atomic, Molecular, and Optical Physics. 87, 1, 013439.

Research output: Contribution to journalArticleScientificpeer-review

8 Citations (Scopus)
2014

A Modular USB 2.0 digitizer for electrical power measurements

Lehtonen, T. & Hällström, J., 12 Sep 2014, 29th Conference on Precision Electromagnetic Measurements (CPEM 2014). IEEE Institute of Electrical and Electronic Engineers, p. 78-79 2 p. 6898267

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

5 Citations (Scopus)

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

Rossi, A., Tanttu, T., Tan, K. Y., Iisakka, I., Zhao, R., Chan, K. W., Tattamazzi, G. C., Rogge, S., Dzurak, A. S. & Möttönen, M., 2014, In : Nano Letters. 14, 6, p. 3405-3411

Research output: Contribution to journalArticleScientificpeer-review

50 Citations (Scopus)

Andreev tunneling and quasiparticle excitations in mesoscopic normal metal - superconductor structures: Dissertation

Maisi, V. F., 2014, Espoo: Centre of Metrology and Accreditation. 239 p.

Research output: ThesisDissertationCollection of Articles

Open Access

Estimation of time parameters of tail chopped lightning impulses - Clarification of the standard IEC 60060-1/2010

Hall Barbosa, C. R., Hällström, J., Silva, M. T., Azevedo, L. C. & Faria, L. C., 12 Sep 2014, 29th Conference on Precision Electromagnetic Measurements (CPEM 2014). IEEE Institute of Electrical and Electronic Engineers, p. 778-779 2 p. 6898617

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

2 Citations (Scopus)

Frequency comb-linked mid-infrared continuous-wave optical parametric oscillator

Peltola, J., Vainio, M., Fordell, T., Hieta, T., Merimaa, M. & Halonen, L., 21 Jul 2014, Advanced Photonics. Optical Society of America OSA, JM5A.21

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

Frequency-comb-referenced mid-infrared source for high-precision spectroscopy

Peltola, J., Vainio, M., Fordell, T., Hieta, T., Merimaa, M. & Halonen, L., 29 Dec 2014, In : Optics Express. 22, 26, p. 32429-32439 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
19 Citations (Scopus)

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

Fordell, T., Wallin, A. E., Lindvall, T., Vainio, M. & Merimaa, M., 2014, In : Applied Optics. 53, 31, p. 7476-7482

Research output: Contribution to journalArticleScientificpeer-review

Investigating linearity of a high voltage capacitance bridge

Suomalainen, E. P. & Hällström, J., 12 Sep 2014, 29th Conference on Precision Electromagnetic Measurements (CPEM 2014). IEEE Institute of Electrical and Electronic Engineers, p. 620-621 2 p. 6898538

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

Performance of a wideband 200-kV HVDC reference divider module

Hällström, J., Bergman, A., Dedeoglu, S., Elg, A-P., Houtzager, E., Lucas, W., Merev, A., Meisner, J., Schmidt, M., Suomalainen, E-P. & Weber, C., 2014, In : IEEE Transactions on Instrumentation and Measurement. 63, 9, p. 2264-2270 6 p.

Research output: Contribution to journalArticleScientificpeer-review

13 Citations (Scopus)

Recent progress on the MIKES 88Sr+ ion clock

Lindvall, T., Fordell, T., Wallin, A. E. & Merimaa, M., 2014, Book of abstracts: ECTI 2014 – 3rd European Conference on Trapped Ions. p. 61-61 PI-13

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

Open Access
2015

Alternative method for processing tail chopped lightning impulse waveforms

Hall Barbosa, C. R., Hällström, J., Ferreira, L. S., Silva, M. T. & Azevedo, L. C., 1 Jan 2015.

Research output: Contribution to conferenceConference articleScientificpeer-review

Open Access
1 Citation (Scopus)

Analysis of thermal radiation in ion traps for optical frequency standards

Doležal, 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., 12 Nov 2015, In : Metrologia. 52, 6, p. 842-856 842.

Research output: Contribution to journalArticleScientificpeer-review

25 Citations (Scopus)

Broadband, unpolarized repumping and clearout light sources for alkaline-earth-metal single-ion clocks

Lindvall, T., Fordell, T., Dubé, P., Madej, A. A., Wallin, A. E. & Merimaa, M., 2015.

Research output: Contribution to conferenceConference PosterScientific

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

Fordell, T., Lindvall, T., Dubé, P., Madej, A. A., Wallin, A. E. & Merimaa, M., 1 Jan 2015, In : Optics Letters. 40, 8, p. 1822-1825

Research output: Contribution to journalArticleScientificpeer-review

11 Citations (Scopus)

High AC current calibration system based on Rogowski coil

Havunen, J., Suomalainen, E-P. & Hällström, J., 2015, 2015 ISH: 19th International Symposium on High Voltage Engineering. 6 p.

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

International timescales with optical clocks

Margolis, H. S., Benkler, E., Calonico, D., Denker, H., Delva, P., Godun, R. M., Lisdat, C., Achkar, J., Bize, S., Gersl, J., Gill, P., Lindvall, T., Merimaa, M., Pizzocaro, M., Piester, D., Riedel, F., Cesia, I., Shemar, S. L., Sterr, S. L., Timmen, L. & 4 others, Voigt, C., Vogt, S., Weyers, S. & Whibberley, P. B., 2015, Book of abstracts. IEEE Institute of Electrical and Electronic Engineers

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

Long term stability of two 1000 kV voltage dividers

Elg, A., Bergman, A. & Hällström, J., 2015, Proceedings of the 19th International Symposium on High Voltage Engineering, Pilsen, Czech Republic, August, 23 – 28, 2015. University of West Bohemia, 5 p.

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

MEMS-based voltage detector

Helistö, P., Sipola, H., Seppä, H. & Manninen, A. J., 2015, In : Sensors and Actuators A: Physical. 234, p. 99-103

Research output: Contribution to journalArticleScientificpeer-review

2 Citations (Scopus)

Methods for decreasing uncertainties in LED photometry

Dönsberg, T., Pulli, T., Sildoja, M., Poikonen, T., Baumgartner, H., Manoocheri, F., Kärhä, P. & Ikonen, E., 2015, CIM2015: 17th International Congress of Metrology. Larquier, B. (ed.). EDP Sciences, 6 p. 11001

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

Open Access
1 Citation (Scopus)

Performance of a modular wideband HVDC reference divider for voltages up to 1000 kV

Hällström, J., Bergman, A., Dedeoglu, S., Elg, A-P., Houtzager, E., Klüss, J., Lehtonen, T., Lucas, W., Meisner, J., Merev, A., Nieminen, T., Schmidt, M., Suomalainen, E-P. & Weber, C., 2015, In : IEEE Transactions on Instrumentation and Measurement. 64, 6, p. 1390-1397

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)

Recent progress on the MIKES 88Sr+ single-ion optical clock

Lindvall, T., Fordell, T., Wallin, A. E. & Merimaa, M., 2015.

Research output: Contribution to conferenceConference PosterScientific

Tarkka aikasynkronointi ja aikalinkit maanpuolustuksessa: Tiivistelmäraportti

Merimaa, M. & Wallin, A., 2015, Puolustusministeriö. 14 p. (MATINEn raporttisarja B; No. 2500M-0034, Vol. 2015).

Research output: Book/ReportReport

Open Access

Traceability and Characterization of a 1000 kV HVDC Reference Divider

Elg, A-P., Bergman, A., Hällström, J., Kharezy, M. & Nieminen, T., 2015, In : IEEE Transactions on Instrumentation and Measurement. 64, 6, p. 1709-1715

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)
2016

Accurate Coulomb blockade thermometry up to 60 kelvin

Meschke, M., Kemppinen, A. & Pekola, J. P., 2016, In : Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences. 374, 2064, 20150052.

Research output: Contribution to journalArticleScientificpeer-review

9 Citations (Scopus)

A reference merging unit and calibration setup for sampled values over Ethernet

Lehtonen, T. & Hällström, J., 11 Aug 2016, Precision Electromagnetic Measurements (CPEM 2016), 2016 Conference on. IEEE Institute of Electrical and Electronic Engineers, p. 1-2

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

3 Citations (Scopus)

A three-phase calibration and field measurement setup based on a custom digitizer

Lehtonen, T., Hällström, J. & Suomalainen, E-P., 11 Aug 2016, Precision Electromagnetic Measurements (CPEM 2016), 2016 Conference on . IEEE Institute of Electrical and Electronic Engineers, p. 1-2

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

Bilateral high voltage ac peak and rms value comparison up to 150 kV between VTT and PTB

Meisner, J., Suomalainen, E-P., Hällström, J., Schmidt, M. & Seifert, H., 11 Aug 2016, Precision Electromagnetic Measurements (CPEM 2016), 2016 Conference on . IEEE Institute of Electrical and Electronic Engineers, p. 1-2

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

1 Citation (Scopus)

Bilateral international inductance comparison using traveling standards in thermoregulated enclosures

Funck, T., Bothe, H., Kolling, A., Satrapinski, A. & Suomalainen, E. P., 10 Aug 2016, CPEM 2016 - Conference on Precision Electromagnetic Measurements, Conference Digest. IEEE Institute of Electrical and Electronic Engineers, 7540510

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

2 Citations (Scopus)