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Effect of space exposure of pyroelectric infrared detectorsPyroelectric detectors are one of many different types of infrared radiation detectors. The pyroelectric detectors are of interest for long term space use because they do not require cooling during operation. Also, they can detect at very long wavelengths and they have a relatively flat spectral response. A disadvantage is that the radiation must be chopped in order to be detected by a pyroelectric detector. The objective was to determine the effects of launch and space exposure on the performance of commercially available pyroelectric detectors. The approach was to measure certain detector parameters before and after flight and try to determine the amount and cause of the degradation. The experiment was passive: no data was taken during flight. It is concluded that lithium-tantalate and strontium-barium-niobate are suitable materials for pyroelectric detectors for long term space applications.
Document ID
19920017870
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Robertson, James B.
(NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 6, 2013
Publication Date
January 1, 1992
Publication Information
Publication: LDEF: 69 Months in Space. First Post-Retrieval Symposium, Part 3
Subject Category
Instrumentation And Photography
Accession Number
92N27113
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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