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

Daniel Becker; James Beall; Hsiao-Mei Cho; William Duncan; Gene Hilton; Rob Horansky; Kent Irwin; Peter Lowell; Michael Niemack; Nick Paulter; Carl Reintsema; Frank Schima; Robert Schwall; Ki Won Yoon; Peter Ade; Carole Tucker; Simon Dicker; Mark Halpern

doi:10.1117/12.852932

27 April 2010 A 350-GHz high-resolution high-sensitivity passive video imaging system

Daniel Becker, James Beall, Hsiao-Mei Cho, William Duncan, Gene Hilton, Rob Horansky, Kent Irwin, Peter Lowell, Michael Niemack, Nick Paulter, Carl Reintsema, Frank Schima, Robert Schwall, Ki Won Yoon, Peter Ade, Carole Tucker, Simon Dicker, Mark Halpern

Author Affiliations +

Proceedings Volume 7670, Passive Millimeter-Wave Imaging Technology XIII; 76700M (2010) https://doi.org/10.1117/12.852932
Event: SPIE Defense, Security, and Sensing, 2010, Orlando, Florida, United States

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.

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Daniel Becker, James Beall, Hsiao-Mei Cho, William Duncan, Gene Hilton, Rob Horansky, Kent Irwin, Peter Lowell, Michael Niemack, Nick Paulter, Carl Reintsema, Frank Schima, Robert Schwall, Ki Won Yoon, Peter Ade, Carole Tucker, Simon Dicker, and Mark Halpern "A 350-GHz high-resolution high-sensitivity passive video imaging system", Proc. SPIE 7670, Passive Millimeter-Wave Imaging Technology XIII, 76700M (27 April 2010); https://doi.org/10.1117/12.852932

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