Hannu Sipola

1990 …2019
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Research Output 1990 2019

  • 14 Article
  • 4 Conference article in proceedings
  • 1 Conference abstract in proceedings
2019

Magnetic field sensing with the kinetic inductance of a high- Tc superconductor

Vesterinen, V., Ruffieux, S., Kalaboukhov, A., Sipola, H., Kiviranta, M., Winkler, D., Schneiderman, J. F. & Hassel, J., 16 Apr 2019, In : AIP Advances. 9, 4, 045217.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
inductance
kinetics
magnetic fields
barium oxides
superconducting films

Multiplexed readout of kinetic inductance bolometer arrays

Sipola, H., Luomahaara, J., Timofeev, A., Grönberg, L., Rautiainen, A., Luukanen, A. & Hassel, J., 2019, In : Review of Scientific Instruments. 90, 7, 074702.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Bolometers
bolometers
inductance
Inductance
readout
2018
1 Citation (Scopus)

A Dual Band Focal Plane Array of Kinetic Inductance Bolometers Based on Frequency Selective Absorbers

Dabironezare, S., Hassel, J., Gandini, E., Gronberg, L., Sipola, H., Vesterinen, V. & Llombart, N., 2018, In : IEEE Transactions on Terahertz Science and Technology. 8, 6, p. 746-756 11 p., 8481541.

Research output: Contribution to journalArticleScientificpeer-review

Bolometers
Focal plane arrays
bolometers
focal plane devices
Image sensors

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). Institute of Electrical and Electronic Engineers IEEE, 2 p.

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

Submillimeter waves
Bolometers
Image sensors
Inductance
Fourier optics
2 Citations (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 proceedingConference article in proceedingsScientificpeer-review

Open Access
Dual-band
Submillimeter waves
Bolometer
Bolometers
submillimeter waves

Thermal detectors utilizing superconducting kinetic inductance and an imaging system for person security screening

Hassel, J., Sipola, H., Grönberg, L., Mäyrä, A., Aikio, M., Tappura, K., Timofeev, A., Rautiainen, A., Vesterinen, V., Leivo, M., Gao, F., Vasama, H. & Luukanen, A., 3 Dec 2018, Nanoscale and Microscale Heat Transfer VI: Eurotherm seminar No 111. p. 75 147

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

Open Access
inductance
screening
detectors
kinetics
bolometers
2017
12 Citations (Scopus)

Optical and electrical characterization of a large kinetic inductance bolometer focal plane array

Timofeev, A., Luomahaara, J., Grönberg, L., Mäyrä, A., Sipola, H., Aikio, M., Metso, M., Vesterinen, V., Tappura, K., Ala-Laurinaho, J., Luukanen, A. & Hassel, J., 1 Mar 2017, In : IEEE Transactions on Terahertz Science and Technology. 7, 2, p. 218 - 224 7 p., 7811297.

Research output: Contribution to journalArticleScientificpeer-review

Bolometers
Focal plane arrays
bolometers
focal plane devices
inductance
2015
5 Citations (Scopus)

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 proceedingConference article in proceedingsScientificpeer-review

inductance
detectors
kinetics
clothing
focal plane devices
2 Citations (Scopus)

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

microelectromechanical systems
MEMS
Voltage measurement
Detectors
low noise
2012
3 Citations (Scopus)

Noise suppression of MEMS readout near pull-in

Helistö, P., Sipola, H. & Seppä, H., 2012, In : Sensors and Actuators A: Physical. 183, p. 101-104 3 p.

Research output: Contribution to journalArticleScientificpeer-review

microelectromechanical systems
MEMS
readout
Electronic equipment
retarding

Use of Electromechanical Feedback in MEMS for Suppressing Electronics Noise

Helistö, P., Sipola, H. & Seppä, H., 2012, In : Procedia Engineering. 47, p. 1013-1016 3 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
MEMS
Electronic equipment
Feedback
Microphones
Sensors
2011
7 Citations (Scopus)

Contactless read-out of printed memory

Allen, M., Aronniemi, M., Mattila, T., Helistö, P., Sipola, H., Rautiainen, A., Leppäniemi, J., Alastalo, A., Korhonen, R. & Seppä, H., 2011, In : Microelectronic Engineering. 88, 9, p. 2941-2945 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Data storage equipment
low resistance
fuses
printed circuits
high resistance
7 Citations (Scopus)

Two-stage locally linearized SQUID readout for frequency domain multiplexed calorimeter arrays

Kiviranta, M., Grönberg, L. & Sipola, H., 2011, In : Superconductor Science and Technology. 24, 4, 7 p.

Research output: Contribution to journalArticleScientificpeer-review

SQUIDs
Calorimeters
calorimeters
readout
Fluxes
2007
8 Citations (Scopus)

NbN vacuum bridge bolometer arrays with room temperature readout approaching photon noise limited THz imaging applications

Helistö, P., Penttilä, J., Sipola, H., Grönberg, L., Maibaum, F., Luukanen, A. & Seppä, H., 2007, In : IEEE Transactions on Applied Superconductivity. 17, 2, p. 310-313

Research output: Contribution to journalArticleScientificpeer-review

Bolometers
bolometers
readout
Photons
Vacuum
2006
33 Citations (Scopus)

Low-noise readout of superconducting bolometers based on electrothermal feedback

Penttilä, J. S., Sipola, H., Helistö, P. & Seppä, H., 2006, In : Superconductor Science and Technology. 19, 4, p. 319-322 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Bolometers
bolometers
low noise
readout
Feedback
2001
11 Citations (Scopus)

Scanning micromechanical mirror for fine-pointing units of intersatellite optical links

Suhonen, M., Graeffe, J., Sillanpää, T., Sipola, H. & Eiden, M., 2001, In : Smart Materials and Structures. 10, 6, p. 1204-1210 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Optical links
Space applications
Mirrors
mirrors
Scanning
2000
72 Citations (Scopus)

Capacitive microphone with low-stress polysilicon membrane and high-stress polysilicon backplate

Torkkeli, A., Rusanen, O., Saarilahti, J., Seppä, H., Sipola, H. & Hietanen, J., 25 Aug 2000, In : Sensors and Actuators A: Physical. 85, 1, p. 116-123

Research output: Contribution to journalArticleScientificpeer-review

Microphones
microphones
Polysilicon
membranes
Membranes
1999
2 Citations (Scopus)

Capacitive Silicon Microphone

Torkkeli, A., Saarilahti, J., Seppä, H., Sipola, H., Rusanen, O. & Hietanen, J., 1 Dec 1999, Proceedings of the 18th Nordic Semiconductor Meeting. Institute of Physics IOP, p. 275-278 4 p. (Physica Scripta: Topical Issues, Vol. 79).

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

microphones
Silicon
Membrane
membranes
silicon
1990
11 Citations (Scopus)

A high open-loop gain controller

Seppä, H. & Sipola, H., 1990, In : Review of Scientific Instruments. 61, 9, p. 2449-2451

Research output: Contribution to journalArticleScientificpeer-review

controllers
Controllers
Point contacts
SQUIDs
Microscopic examination