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

Juha Hassel, Shahab Oddin Dabironezare, Erio Gandini, Leif Grönberg, Hannu Sipola, Anssi Rautiainen, Aleksi Tamminen, Mikko Leivo, Hannu Lindström, Hannu Vasama, Arttu Luukanen, Nuria Llombart

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

6 Citations (Scopus)


Kinetic inductance bolometer (KIB) technology is a candidate for scalable submillimeter wave imaging systems, particularly suitable for person security screening applications. We have previously shown that the basic figures of merit are compatible with room-temperature radiometric imaging applications, and demonstrated the functionality of kilo-pixel detector arrays. In this article, we report on our imaging system based on 8208 KIBs organized on a 2D focal plane. We provide an overview on the basic components, including the detectors, optics, and cryogenics, and describe aspects relevant in system integration. Moreover, we demonstrate the capacity in actual concealed object detection by presenting datasets revealing metallic and dielectric objects hidden under the clothes of a test person.

Original languageEnglish
Title of host publicationPassive and Active Millimeter-Wave Imaging XXI
PublisherInternational Society for Optics and Photonics SPIE
ISBN (Electronic)978-1-5106-1779-7
ISBN (Print)978-1-5106-1779-7
Publication statusPublished - 1 Jan 2018
MoE publication typeNot Eligible
EventPassive and Active Millimeter-Wave Imaging XXI 2018 - Orlando, United States
Duration: 18 Apr 201819 Apr 2018

Publication series

SeriesProceedings of SPIE


ConferencePassive and Active Millimeter-Wave Imaging XXI 2018
Country/TerritoryUnited States


The work was supported by the European Union Seventh Framework Programme (FP7/2007-2013) under grand agreement no. 312745, and by Academy of Finland through grants 284594 and 314447.


  • Contraband detection
  • kinetic inductance
  • radiometry
  • submillimeter
  • superconductor
  • THz
  • OtaNano


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