Low-temperature adjustable blackbody apparatus

Details Low-temperature adjustable blackbody apparatus Low-temperature adjustable blackbody apparatus

2006-12-22

2009-10-06

Berman, Jack I (Department: 2881)

Radiant energy

Radiant energy generation and sources

C250S495100, C250S503100, C250S50400H

Reexamination Certificate

active

07598506

ABSTRACT:
An adjustable, low-temperature blackbody radiation system includes a blackbody enclosure having an optical port formed therein, and a cold element provided within the blackbody enclosure adjacent the optical port, the cold element configured to emit thermal radiation through the optical port. A dry gas source is in fluid communication with the blackbody enclosure, and is configured to purge the blackbody enclosure with a gas. A temperature control system is coupled to the cold element to maintain the cold element at a predetermined temperature. A light trap feature (e.g., a dark mirror cube corner structure) is incorporated into and/or around the cold element.

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patent: 2007/0261429 (2007-11-01), Teehan
patent: 2008/0179547 (2008-07-01), Henley

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