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A new thermal radiation detector using optical heterodyne detection of absorbed energyThe operating principles of a new kind of room-temperature thermal radiation detector are described. In this device modulated light heats a gas, either directly or by conduction from a thin absorbing membrane, and the resultant change in density of the gas is detected by optical heterodyning. The performance of a membrane device of this kind agrees well with the predictions of theory.
Document ID
19840031162
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Davis, C. C.
(Maryland, University College Park, MD, United States)
Petuchowski, S. J.
(NASA Goddard Space Flight Center Greenbelt, MD; Phoenix Corp., Melean, VA, United States)
Date Acquired
August 12, 2013
Publication Date
July 1, 1983
Publication Information
Publication: Infrared Physics
Volume: 23
ISSN: 0020-0891
Subject Category
Instrumentation And Photography
Accession Number
84A13949
Funding Number(s)
CONTRACT_GRANT: NSF ECS-80-23769
Distribution Limits
Public
Copyright
Other

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