Abstract
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 language | English |
|---|---|
| Journal | Proceedings of SPIE : the International Society for Optical Engineering |
| Volume | 10634 |
| DOIs | |
| Publication status | Published - 1 Jan 2018 |
| MoE publication type | A4 Conference publication |
| Event | Passive and Active Millimeter-Wave Imaging - Orlando, United States Duration: 18 Apr 2018 → 19 Apr 2018 Conference number: 21 |
Funding
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. The authors wish to thank Andrey Timofeev for useful discussions and assistance in the detector assembly.
Keywords
- Contraband detection
- kinetic inductance
- radiometry
- submillimeter
- superconductor
- THz
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