A 350-GHz high-resolution high-sensitivity passive video imaging system

Becker, Daniel, Beall, James, Cho, Hsiao-Mei, Duncan, William, Hilton, Gene, Horansky, Rob, Irwin, Kent, Lowell, Peter, Niemack, Michael, Paulter, Nick, Reintsema, Carl, Schima, Frank, Schwall, Robert, Yoon, Ki Won, Ade, Peter A. R. ORCID: https://orcid.org/0000-0002-5127-0401, Tucker, Carole ORCID: https://orcid.org/0000-0002-1851-3918, Dicker, Simon and Halpern, Mark 2010. A 350-GHz high-resolution high-sensitivity passive video imaging system. Presented at: Passive millimeter-wave imaging technology 13, Orlando, FL, USA, 8 April 2010. Published in: Wikner, David A. and Luukanen, Arttu R. eds. Proceedings of the SPIE conference on Passive Millimeter-Wave Imaging Technology XIII held in Orlando, FL 8 April 2010. Proceedings of SPIE (7670) Bellingham, WA: SPIE, 76700M. 10.1117/12.852932

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Abstract

We are developing a 350 GHz cryogenic passive video imaging system. This demonstration system uses 800 photon-noise-limited superconducting transition edge sensor bolometers. It will image a 1 m x 1 m area at a standoff distance of 16 m to a resolution of approximately 1 cm at video frame rates (20 frames per second). High spatial resolution is achieved by the use of an f/2.0 Cassegrain optical system with 1.3 m primary mirror. Preliminary testing of prototype detectors indicates that we can achieve a noise equivalent temperature difference (NETD) of 70 mK for the fully sampled 1 m × 1 m image at 20 frames per second.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Schools > Physics and Astronomy
Subjects:	Q Science > QB Astronomy
Publisher:	SPIE
ISBN:	9780819481344
ISSN:	0277-786X
Last Modified:	24 Oct 2025 22:45
URI:	https://orca.cardiff.ac.uk/id/eprint/33141

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