Bolometric kinetic inductance detector technology for sub-millimeter radiometric imaging

Juha Hassel, Andrey V. Timofeev, Visa Vesterinen, Hannu Sipola, Panu Helistö, Mika Aikio, Aki Mäyrä, Leif Grönberg, Arttu Luukanen

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

5 Citations (Scopus)

Abstract

Radiometric sub-millimeter imaging is a candidate technology especially in security screening applications utilizing the property of radiation in the band of 0.2 - 1.0 THz to penetrate through dielectric substances such as clothing. The challenge of the passive technology is the fact that the irradiance corresponding to the blackbody radiation is very weak in this spectral band: about two orders of magnitude below that of the infrared band. Therefore the role of the detector technology is of ultimate importance to achieve sufficient sensitivity. In this paper we present results related to our technology relying on superconducting kinetic inductance detectors operating in a thermal (bolometric) mode. The detector technology is motivated by the fact that it is naturally suitable for scalable multiplexed readout systems, and operates with relatively simple cryogenics. We will review the basic concepts of the detectors, and provide experimental figures of merit. Furthermore, we will discuss the issues related to the scale-up of our detector technology into large 2D focal plane arrays.
Original languageEnglish
Title of host publicationMillimetre Wave and Terahertz Sensors and Technology VIII
PublisherInternational Society for Optics and Photonics SPIE
Volume9651
DOIs
Publication statusPublished - 2015
MoE publication typeA4 Article in a conference publication
EventSPIE Security + Defence 2015 - Toulouse, France
Duration: 21 Sep 201524 Sep 2015

Publication series

SeriesProceedings of SPIE
Volume9651
ISSN0277-786X

Conference

ConferenceSPIE Security + Defence 2015
CountryFrance
CityToulouse
Period21/09/1524/09/15

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Keywords

  • passive sub-mm imaging
  • passive THz imaging
  • kinetic inductance detector
  • focal plane array
  • concealed
  • objects detection

Cite this

Hassel, J., Timofeev, A. V., Vesterinen, V., Sipola, H., Helistö, P., Aikio, M., Mäyrä, A., Grönberg, L., & Luukanen, A. (2015). Bolometric kinetic inductance detector technology for sub-millimeter radiometric imaging. In Millimetre Wave and Terahertz Sensors and Technology VIII (Vol. 9651). [96510G] International Society for Optics and Photonics SPIE. Proceedings of SPIE, Vol.. 9651 https://doi.org/10.1117/12.2197522