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25 September 1989 Test Chamber For Low-Background IR Focal Plane Testing
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Abstract
A unique and versatile vacuum chamber has been designed and built by R.G. Hansen and Associates for the Jet Propulsion Laboratory's Infrared Focal Plane Technology Group. This chamber is equipped with multiple ports for cryogen and electrical vacuum feedthroughs, pumping units, vacuum gauges, sources, and detector camera heads. The design incorporates a liquid-nitrogen-cooled optical table and radiation shield for low-background infrared detector testing. Focal planes can be tested in this chamber at temperatures ranging from 300 K to that of liquid helium. The test chamber design emphasizes versatility so that the system can accommodate various detectors and testing conditions. This paper describes the design and construction of this low-background infrared focal plane test chamber and discusses some of its distinctive features. An analysis of the test chamber's performance is also be presented.
© (1989) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Craig Staller, Richard W. Capps, Douglas Butler, Nancy Moss, and Wynn Norwood "Test Chamber For Low-Background IR Focal Plane Testing", Proc. SPIE 1108, Test and Evaluation of Infrared Detectors and Arrays, (25 September 1989); https://doi.org/10.1117/12.960674
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