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Proceedings Paper

Variable-aperture low-background Dewar
Author(s): Rolf Dahle
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Paper Abstract

Testing infrared detectors at varying background flux densities can be very time consuming. Using existing in house cryogenic dewars, a way to reduce the down time when changing background flux was needed. The solution to this problem and problems encountered during design and fabrication are discussed.

Paper Details

Date Published: 1 July 1992
PDF: 9 pages
Proc. SPIE 1686, Test and Evaluation of IR Detectors and Arrays II, (1 July 1992); doi: 10.1117/12.60535
Show Author Affiliations
Rolf Dahle, Naval Command, Control and Ocean Surveillance Ctr. (United States)


Published in SPIE Proceedings Vol. 1686:
Test and Evaluation of IR Detectors and Arrays II
Forney M. Hoke, Editor(s)

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