Leif Grönberg

2020

A fully-staring THz video camera with wide field-of-view and close-looking optics

Luomahaara, J., Mäyrä, A., Aikio, M., Sipola, H., Grönberg, L., Timofeev, A., Tappura, K., Rautiainen, A., Ala-Laurinaho, J., Tamminen, A., Leivo, M., Gao, F., Vasama, H., Luukanen, A. & Hassel, J., 20 Sept 2020, Millimetre Wave and Terahertz Sensors and Technology XIII. Salmon, N. A. & Gumbmann, F. (eds.). Bellingham: International Society for Optics and Photonics SPIE, 9 p. 1154105. (Proceedings of SPIE, Vol. 11541).

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

2019

Superconducting TiN through-silicon-vias for quantum technology

Grigoras, K., Simbierowicz, S., Grönberg, L., Govenius, J., Vesterinen, V., Prunnila, M. & Hassel, J., Dec 2019, 2019 IEEE 21st Electronics Packaging Technology Conference, EPTC 2019. IEEE Institute of Electrical and Electronic Engineers, p. 81-82

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

8 Citations (Scopus)

2018

Dual Band Kinetic Inductance Bolometers for Submillimeter-wave Imaging: Experimental and Theoretical Optical Response

Dabironezare, S. O., Gandini, E., Llombart, N., Hassel, J., Grönberg, L., Sipola, H. & Vesterinen, V., 2018, 2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). IEEE Institute of Electrical and Electronic Engineers, 2 p.

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

1 Citation (Scopus)

Dual-band submillimeter-wave kinetic inductance bolometers and an imaging system for contraband object detection

Hassel, J., Dabironezare, S. O., Gandini, E., Grönberg, L., Sipola, H., Rautiainen, A., Tamminen, A., Leivo, M., Lindström, H., Vasama, H., Luukanen, A. & Llombart, N., 1 Jan 2018, Passive and Active Millimeter-Wave Imaging XXI. International Society for Optics and Photonics SPIE, 106340F. (Proceedings of SPIE, Vol. 10634).

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

Open Access

6 Citations (Scopus)

Methods for Electrical Cooling and Thermometry of a Suspended Silicon Chip

Kemppinen, A., Mykkänen, E., Lehtinen, J., Shchepetov, A., Timofeev, A., Gunnarsson, D., Grönberg, L., Manninen, A. & Prunnila, M., 2018, CPEM 2018 - Conference on Precision Electromagnetic Measurements. IEEE Institute of Electrical and Electronic Engineers, 2 p.

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

2017

Integrated TiN coated porous silicon supercapacitor with large capacitance per foot print

Grigoras, K., Grönberg, L., Ahopelto, J. & Prunnila, M., 1 Jan 2017, Smart Sensors, Actuators, and MEMS VIII. Prunnila, M., Fonseca, L. & Peiner, E. (eds.). International Society for Optics and Photonics SPIE, (Proceedings of SPIE, Vol. 10246).

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

2016

Optimization of frequency selective absorbers for sub-mm security imagers

Dabironezare, S. O., Hassel, J., Grönberg, L., Gandini, E., Neto, A. & Llombart, N., 2016, Infrared, Millimeter, and Terahertz waves (IRMMW-THz), 2016 41st International Conference on. IEEE Institute of Electrical and Electronic Engineers, p. 1

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

3 Citations (Scopus)

2015

Bolometric kinetic inductance detector technology for sub-millimeter radiometric imaging

Hassel, J., Timofeev, A. V., Vesterinen, V., Sipola, H., Helistö, P., Aikio, M., Mäyrä, A., Grönberg, L. & Luukanen, A., 2015, Millimetre Wave and Terahertz Sensors and Technology VIII. International Society for Optics and Photonics SPIE, Vol. 9651. 96510G. (Proceedings of SPIE, Vol. 9651).

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

7 Citations (Scopus)

2010

Real-time passive terahertz imaging system for standoff concealed weapons imaging

Luukanen, A., Grönberg, L., Grönholm, M., Lappalainen, P., Leivo, M., Rautiainen, A., Tamminen, A., Ala-Laurinaho, J., Dietlein, C. R. & Grossman, E. N., 2010, Proceedings of SPIE: Passive Millimeter-Wave Imaging Technology XIII. Wikner, D. A. & Luukanen, A. R. (eds.). International Society for Optics and Photonics SPIE, 767004. (Proceedings of SPIE, Vol. 7670).

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific

23 Citations (Scopus)

2009

Progress towards large locally linearized SQUID arrays

Kiviranta, M. & Grönberg, L., 2009, Low temperature detectors - LTD 13: Proceedings of the 13th international workshop. Cabrera, B. & Miller, A. (eds.). American Institute of Physics (AIP), p. 526-529 (AIP Conference Proceedings; No. 1185).

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

11 Citations (Scopus)

2008

Passive THz imaging system for stand-off identification of concealed objects: Results from a turn-key 16 pixel imager

Luukanen, A., Grönberg, L., Haarnoja, T., Helistö, P., Kataja, K., Leivo, M., Rautiainen, A., Penttilä, J., Bjarnason, J. E., Dietlein, C. R., Ramirez, M. D. & Grossman, E. N., 2008, Passive Millimeter-Wave Imaging Technology XI: SPIE Defence and Security Symposium. Appleby, R. (ed.). International Society for Optics and Photonics SPIE, 9 p. 69480O . (Proceedings of SPIE; No. 6948).

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

13 Citations (Scopus)

2007

Passive Euro-American Terahertz Camera (PEAT-CAM): Passive indoors THz imaging at video rates for security applications

Luukanen, A., Grönberg, L., Helistö, P., Penttilä, J. S., Seppä, H., Sipola, H., Dietlein, C. R. & Grossman, E. N., 2007, Passive Millimeter-Wave Imaging Technology X. International Society for Optics and Photonics SPIE, 654808. (Proceedings of SPIE, Vol. 6548).

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

18 Citations (Scopus)

2006

An array of antenna-coupled superconducting microbolometers for passive indoors real-time THz imaging

Luukanen, A., Helistö, P., Penttilä, J. S., Seppä, H., Sipola, H., Dietlein, C. R., Grossman, E. N. & Grönberg, L., 2006, Terahertz for Military and Security Applications IV: Proceedings of SPIE Volume 6212. International Society for Optics and Photonics SPIE, 9 p. 62120Y. (Proceedings of SPIE, Vol. 6212).

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

19 Citations (Scopus)

Antenna-coupled microbolometers for passive THz direct detection imaging arrays

Helistö, P., Luukanen, A., Grönberg, L., Penttilä, J. S., Seppä, H., Sipola, H., Dietlein, C. R. & Grossman, E. N., 2006, Proceedings of the 1st European Microwave Integrated Circuits Conference, EuMIC 2006: Manchester, England, 10 - 13 Oct. 2006. IEEE Institute of Electrical and Electronic Engineers, p. 35-38

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

23 Citations (Scopus)

Fabrication and design aspects of rapid single flux quantum control of Qubits

Hassel, J., Grönberg, L., Helistö, P., Seppä, H. & Ylilammi, M., 2006, Proceedings of the XL Annual Conference of the Finnish Physical Society. Tampere University of Technology, 185

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific

Superconducting antenna-coupled bolometers for THz imaging using cryocoolers

Penttilä, J. S., Luukanen, A., Grönberg, L., Helistö, P., Sipola, H. & Seppä, H., 2006, Proceedings of the 7th International Workshop on Low Temperature Electronics, WOLTE-7, 2006. European Space Agency (ESA), p. 203-207 (ESA Conference Proceedings; No. WPP-264).

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific

2005

Fabrication process for milli-Kelvin Josephson junction circuits

Grönberg, L., Hassel, J., Helistö, P., Kiviranta, M., Seppä, H., Kulawski, M., Riekkinen, T. & Ylilammi, M., 2005, Extended abstracs of 10th international superconductive electronics conference, ISEC 2005. p. O-W.04

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific

2004

Behaviour of aluminum in ozonated water, optical and electrochemical study

Ritala, H., Pehkonen, A., Solehmainen, K. & Grönberg, L., 2004, Cleaning Technology in Semiconductor Device Manufacturing VIII: Proceedings of the International Symposium. Ruzyllo, J., Hattori, T., Opila, R. L. & Novak, R. E. (eds.). Electrochemical Society ECS, p. 405-412 (ECS Proceedings Volumes, Vol. 2003-26).

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

Fast Josephson arrays for voltage and impedance metrology

Hassel, J., Grönberg, L., Helistö, P., Seppä, H., Nissilä, J. & Kemppainen, A., 2004, 2004 Conference on Precision Electromagnetic Measurements Digest. IEEE Institute of Electrical and Electronic Engineers, p. 154-155

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

2003

Behavior of aluminum in ozonated water, optical and electrochemical study

Ritala, H., Solehmainen, K., Grönberg, L. & Pehkonen, A., 2003, Cleaning Technology in Semiconductor Device Manufacturing VIII. Electrochemical Society ECS, p. 406-413 (ECS Proceedings Volumes, Vol. 2003-26).

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

2001

Josephson voltage standard based on selectively damped SIS junctions

Penttilä, J., Hassel, J., Seppä, H., Grönberg, L. & Suni, I., 2001, URSI XXVI Convention on Radio Science and Second Finnish Wireless Communications Workshop: Digest of technical papers. Tampere: Tampere University of Technology, p. 45-46

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific

2000

Progress in Josephson voltage standard development

Hassel, J., Seppä, H., Grönberg, L., Suni, I. & Helistö, P., 2000, Conference on Precision Electromagnetic Measurements CPEM 2000: Conference Digest. Hunter, J. & Johnson, L. (eds.). IEEE Institute of Electrical and Electronic Engineers, p. 399-400 WEP3-6. (CPEM Digest (Conference on Precision Electromagnetic Measurements)).

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

1997

Experiments with a un SQUID based integrated magnetometer

Seppä, H., Kiviranta, M., Virkki, V., Grönberg, L., Salonen, J., Majander, P., Suni, I., Knuutila, J., Simola, J. & Oittinen, A., 1997, Extended abstracts ISEC '97: 6th international superconductive electronics conference. Braunschweig

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific

1994

Characterization of Nb/Al-AlOx/Nb Josephson junction structures by SIMS, RS and anodization spectroscopy

Likonen, J., Saarilahti, J., Grönberg, L. & Kiviranta, M., 20 Sept 1994, Secondary Ion Mass Spectrometry, SIMS IX: proceedings of the Ninth International Conference on Secondary Ion Mass Spectrometry (SIMS IX). Wiley-Blackwell, p. 531-534

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

1992

Fabrication process for DC-SQUIDs based on Nb/AI-AIOx/Nb Josephson junctions

Grönberg, L., Kiviranta, M., Salmi, J. & Seppä, H., 1992, Proceedings of the 15th Nordic Semiconductor Meeting, Hämeenlinna, Finland. Franssyla, S. & Paananen, R. (eds.). p. 19-22

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific

1991

A low noise DC-SQUID based on NB/Al-AlO_x/Nb Josephson junctions

Grönberg, L., Seppä, H., Cantor, R., Kiviranta, M., Ryhänen, T., Salmi, J. & Suni, I., 1991, Superconducting Devices and Their Applications: Proceedings of the 4th International Conference SQUID ’91. Koch, H. & Lübbig, H. (eds.). Berlin: Springer, p. 281-285 (Springer Proceedings in Physics, Vol. 64).

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

1990

A fully RTP processed GaAs - MESFET

Siren, E., Mutikainen, R., Grönberg, L., Åberg, M., Pohjonen, H. & Suni, I., 1990, 14th Nordic Semiconductor Meeting. Hansen, O. (ed.). Lyngby: Technical University of Denmark DTU

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

1987

Superconductivity at 91 K in YBa₂Cu₃O_7-x

Naukkarinen, K., Arlauskas, K., Grönberg, L., Laiho, R. & Vanhatalo, J., 1987, Proceedings of the European Workshop on High T_c Superconductors and Potential Applications. Brussels: Commission of European Communities (CEC), p. 305-306

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific

The effect of ion-irradiation and rapid thermal annealing on TiSi_eand MoSi_e

Grönberg, L., Krontiras, C., Saarilahti, J. & Suni, I., 1 Jan 1987, ESSDERC '87: 17th European Solid State Device Research Conference. IEEE Institute of Electrical and Electronic Engineers, p. 209-212 5436541

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

1984

A quantum Hall effect silicon chip

Grönberg, L., Pohjonen, H., Murto, T., Heleskivi, J., Immonen, P. & Seppä, H., 1984, 11th Nordic Semiconductor Meeting. Espoo: VTT Technical Research Centre of Finland, p. 209-212 (VTT Symposium; No. 45).

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

Leif Grönberg

Research output

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