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Proceedings Paper

First demonstration of a vehicle mounted 250GHz real time passive imager
Author(s): Chris Mann
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Paper Abstract

This paper describes the design and performance of a ruggedized passive Terahertz imager, the frequency of operation is a 40GHz band centred around 250GHz. This system has been specifically targeted at vehicle mounted operation, outdoors in extreme environments. The unit incorporates temperature stabilization along with an anti-vibration chassis and is sealed to allow it to be used in a dusty environment. Within the system, a 250GHz heterodyne detector array is mated with optics and scanner to allow real time imaging out to 100 meters. First applications are envisaged to be stand-off, person borne IED detection to 30 meters but the unique properties in this frequency band present other potential uses such as seeing through smoke and fog. The possibility for use as a landing aid is discussed. A detailed description of the system design and video examples of typical imaging output will be presented.

Paper Details

Date Published: 1 May 2009
PDF: 7 pages
Proc. SPIE 7311, Terahertz Physics, Devices, and Systems III: Advanced Applications in Industry and Defense, 73110Q (1 May 2009); doi: 10.1117/12.821775
Show Author Affiliations
Chris Mann, ThruVision Ltd. (United Kingdom)


Published in SPIE Proceedings Vol. 7311:
Terahertz Physics, Devices, and Systems III: Advanced Applications in Industry and Defense
Mehdi Anwar; Nibir K. Dhar; Thomas W. Crowe, Editor(s)

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