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Proceedings Paper

Infrared Heterodyne Detectors using Cadmium Mercury Telluride at Intermediate Temperatures
Author(s): M. C. Wilson; W. A. E. Dunn; D. J. Wilson
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Paper Abstract

Heterodyne systems operating in the infrared have been developed for rangefinding, velocity measurement and anemometry. More recently such systems have been extended to cover vibration detection and active imagery (ref. 1). These advanced systems have frequently used a cadmium mercury telluride photodiode operating at 77K as a wide bandwidth, high sensitivity detector of CO2 laser radiation. In practical systems this type of detector may be disadvantageous because of the requirement for high pressure air to achieve the operating temperature.

Paper Details

Date Published: 7 July 1986
PDF: 3 pages
Proc. SPIE 0588, Recent Developments in Materials & Detectors for the Infrared, (7 July 1986); doi: 10.1117/12.951758
Show Author Affiliations
M. C. Wilson, Mullard Ltd. (U.K.)
W. A. E. Dunn, Mullard Ltd. (U.K.)
D. J. Wilson, R.S.R.E. (U.K.)


Published in SPIE Proceedings Vol. 0588:
Recent Developments in Materials & Detectors for the Infrared
John S. Seeley; John S. Seeley, Editor(s)

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