Hannu Sipola

1990 …2019
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Research Output 1990 2019

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