Zobrazeno 1 - 10
of 53
pro vyhledávání: '"J. Nissila"'
Publikováno v:
Solve, S, Chayramy, R, Stock, M, Immonen, P, Nissilä, J & Manninen, A 2021, ' Comparison of the Josephson voltage standards of the MIKES and the BIPM ', Metrologia, vol. 58, no. 1 . https://doi.org/10.1088/0026-1394/58/1A/01007
Main text As part of the ongoing BIPM key comparison BIPM.EM-K10.b, a direct comparison of the Josephson array voltage standards of the Bureau International des Poids et Mesures (BIPM) and the National Metrology Institute of Finland (VTT MIKES), Espo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2945a61d49e18fad9d877b35585589e2
https://cris.vtt.fi/en/publications/0c912a1b-88ce-45b3-a153-482954b86614
https://cris.vtt.fi/en/publications/0c912a1b-88ce-45b3-a153-482954b86614
Autor:
Muhammad Nadeem Akram, Oliver Kieler, Bjornar Karlsen, Ralf Behr, J. Nissila, Helge Malmbekk, Per Ohlckers, Eivind Bardalen, Luis Palafox, Thomas Fordell
Publikováno v:
2020 Conference on Precision Electromagnetic Measurements (CPEM).
Karlsen, B, Bardalen, E, Nissilä, J, Fordell, T, Kieler, O, Palafox, L, Behr, R, Malmbekk, H, Akram, M N & Ohlckers, P 2020, High-Speed Pulsation of a Cryogenically Operable Bipolar Photodiode Module for the Josephson Arbitrary Waveform Synthesizer . in 2020 Conference on Precision Electromagnetic Measurements, CPEM 2020 . IEEE Institute of Electrical and Electronic Engineers, pp. 1-2, 2020 Conference on Precision Electromagnetic Measurements, CPEM 2020, Virtual, Denver, United States, 24/08/20 . https://doi.org/10.1109/CPEM49742.2020.9191751
Karlsen, B, Bardalen, E, Nissilä, J, Fordell, T, Kieler, O, Palafox, L, Behr, R, Malmbekk, H, Akram, M N & Ohlckers, P 2020, High-Speed Pulsation of a Cryogenically Operable Bipolar Photodiode Module for the Josephson Arbitrary Waveform Synthesizer . in 2020 Conference on Precision Electromagnetic Measurements, CPEM 2020 . IEEE Institute of Electrical and Electronic Engineers, pp. 1-2, 2020 Conference on Precision Electromagnetic Measurements, CPEM 2020, Virtual, Denver, United States, 24/08/20 . https://doi.org/10.1109/CPEM49742.2020.9191751
This paper describes the development and testing of a prototype of a cryogenically operable bipolar photodiode module. Optical pulsation systems based on both a Mach-Zehnder modulator and a mode-locked laser have been used to measure the response of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e299a838399f22bfc13f3e8a91970f20
https://hdl.handle.net/11250/2765356
https://hdl.handle.net/11250/2765356
Autor:
Antti Manninen, Sivinee Sawatdiaree, S. Bauer, J. Nissila, Frederic Overney, Adrien Michon, Yaowaret Pimsut, Yefei Yin, Dong-Hun Chae, Blaise Jeanneret, Klaus Pierz, Martina Marzano, Massimo Ortolano, Mattias Kruskopf, Karin Cedergren, Félicien Schopfer, Tobias Bergsten, O. Thevenot, Luca Callegaro, Vincenzo D'Elia, Jan Kucera, Ngoc Thanh Mai Tran
Publikováno v:
Callegaro, L, D'Elia, V, Marzano, M, Tran, N T M, Ortolano, M, Kucera, J, Pierz, K, Bauer, S, Kruskopf, M, Yin, Y, Pimsut, Y, Schopfer, F, Thevenot, O, Jeanneret, B, Overney, F, Bergsten, T, Cedergren, K, Manninen, A, Nissilä, J, Michon, A, Sawatdiaree, S & Chae, D H 2020, The EMPIR Project GIQS : Graphene Impedance Quantum Standard . in 2020 Conference on Precision Electromagnetic Measurements, CPEM 2020 . IEEE Institute of Electrical and Electronic Engineers, 2020 Conference on Precision Electromagnetic Measurements, CPEM 2020, Virtual, Denver, United States, 24/08/20 . https://doi.org/10.1109/CPEM49742.2020.9191743
GIQS: Graphene Impedance Quantum Standard is a Joint Research Project of the European Metrology Programme for Innovation and Research (EMPIR). The project objective is to combine novel digital impedance measurement bridges with graphene-based ac quan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::22248dc56c425eb5e74035479ccee606
http://hdl.handle.net/11583/2845733
http://hdl.handle.net/11583/2845733
Publikováno v:
2020 IEEE 8th Electronics System-Integration Technology Conference (ESTC).
Bardalen, E, Nissilä, J, Fordell, T, Karlsen, B, Kieler, O & Ohlckers, P 2020, Bipolar photodiode module operated at 4 K . in 2020 IEEE 8th Electronics System-Integration Technology Conference, ESTC 2020 ., 9229695, IEEE Institute of Electrical and Electronic Engineers, 8th IEEE Electronics System-Integration Technology Conference, ESTC 2020, Tonsberg, Vestfold, Norway, 15/09/20 . https://doi.org/10.1109/ESTC48849.2020.9229695
Bardalen, E, Nissilä, J, Fordell, T, Karlsen, B, Kieler, O & Ohlckers, P 2020, Bipolar photodiode module operated at 4 K . in 2020 IEEE 8th Electronics System-Integration Technology Conference, ESTC 2020 ., 9229695, IEEE Institute of Electrical and Electronic Engineers, 8th IEEE Electronics System-Integration Technology Conference, ESTC 2020, Tonsberg, Vestfold, Norway, 15/09/20 . https://doi.org/10.1109/ESTC48849.2020.9229695
An optoelectronic module for generating high frequency bipolar current pulses at 4 K was developed. Bipolar signals are generated by connecting a pair of photodiodes in series to coplanar waveguides on silicon. The transmission line pulse propagation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b2811601d9150dcdbb58260e21fef5d9
https://hdl.handle.net/11250/2765354
https://hdl.handle.net/11250/2765354
Autor:
Martti Heinonen, J. Nissila, Antti Manninen, K. Ojasalo, Mikko Ruoho, Emma Mykkänen, Ossi Hahtela
Publikováno v:
International Journal of Thermophysics. 36:3255-3271
In this work, a measurement system for high-temperature thermal-conductivity measurements has been designed, constructed, and characterized. The system is based on the $$3{\upomega }$$ method which is an ac technique suitable for both bulk and thin-f
Publikováno v:
Sira, M, Diaz De Aguilar, J, Öztürk, T, Lee, J, Behr, R & Nissilä, J 2018, Comparison of Sampling Voltage Measurements of Multi-Tone Signals . in CPEM 2018-Conference on Precision Electromagnetic Measurements . IEEE Institute of Electrical and Electronic Engineers, Conference on Precision Electromagnetic Measurements, CPEM 2018, Paris, France, 8/07/18 . https://doi.org/10.1109/CPEM.2018.8501071
This paper describes results of a comparison of voltage amplitude measurements of complex waveform signals. A stable arbitrary waveform generator was used as a transfer standard and sent between four institutes in a round loop. Participants used diff
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::38b8d94eb27fb3e3f72c8000b636e458
https://cris.vtt.fi/en/publications/d033bc0d-58ab-46ce-b993-d07ae3e2c57b
https://cris.vtt.fi/en/publications/d033bc0d-58ab-46ce-b993-d07ae3e2c57b
Publikováno v:
Nissilä, J, Fordell, T, Kieler, O & Behr, R 2018, Driving a Josephson Junction Array with a Mode-Locked Laser and a Photodiode . in CPEM 2018-Conference on Precision Electromagnetic Measurements . IEEE Institute of Electrical and Electronic Engineers, Conference on Precision Electromagnetic Measurements, CPEM 2018, Paris, France, 8/07/18 . https://doi.org/10.1109/CPEM.2018.8501122
This paper describes development of a new technique to drive Josephson junction arrays (JJA). We have designed and built an optical pulse generator (up to 12 GHz pulse rate) based on a mode-locked laser to feed an ultra-fast photodiode which again ca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::39e72e76bacc503df3e529ad16134f8b
https://cris.vtt.fi/en/publications/b1337820-540b-4635-83ae-e16c3b826edd
https://cris.vtt.fi/en/publications/b1337820-540b-4635-83ae-e16c3b826edd
Publikováno v:
Lee, J, Schurr, J, Nissilä, J, Palafox, L, Behr, R & Kibble, B P 2011, ' Programmable Josephson arrays for impedance measurements ', IEEE Transactions on Instrumentation and Measurement, vol. 60, no. 7, pp. 2596-2601 . https://doi.org/10.1109/TIM.2011.2117311
Arbitrary impedance ratios can be determined with high accuracy by means of a programmable Josephson system. For a 1 : 1 resistance ratio at 10-kΩ level, we demonstrate that the novel system allows measurements over a wide frequency range from 25 Hz
Publikováno v:
Jeanneret, B, Overney, F, Rufenacht, A & Nissilä, J 2010, ' Strong attenuation of the transients' effect in square waves synthesized with a programmable Josephson voltage standard ', IEEE Transactions on Instrumentation and Measurement, vol. 59, no. 7, pp. 1894-1899 . https://doi.org/10.1109/TIM.2009.2030920
This paper addresses the effect of transients on the operation of a 1-V programmable Josephson voltage standard for frequencies ranging between 125 Hz and 4 kHz. A detrimental effect of the transients occurring during the transition between different
Autor:
J. Nissila, Mehedin Arifovic, Ralf Behr, J. Diaz de Aguilar, J. Lee, Rado Lapuh, Martin Šíra, Tezgul Coskun Ozturk
Publikováno v:
Nissilä, J, Sira, M, Lee, J, Ozturk, T, Arifovic, M, Diaz De Aguilar, J, Lapuh, R & Behr, R 2016, Stable arbitrary waveform generator as a transfer standard for ADC calibration . in 2016 Conference on Precision Electromagnetic Measurements (CPEM 2016) ., 7540454, IEEE Institute of Electrical and Electronic Engineers, Conference on Precision Electromagnetic Measurements, CPEM 2016, Ottawa, Canada, 10/07/16 . https://doi.org/10.1109/CPEM.2016.7540454
This paper describes a feasibility study of using a stable semiconductor digital-To-Analog converter (DAC) based arbitrary waveform generator in audio frequency range up to 20 kHz for calibrating analog-To-digital converters (ADC). The source acting
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::08c2903d52c092af184257ff70678cf0
https://aperta.ulakbim.gov.tr/record/98515
https://aperta.ulakbim.gov.tr/record/98515