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Low temperature optical testing of CFRP telescope panelsSince 1984, low temperature optical tests were made of very lightweight mirror panels for use in balloon and space infrared and submillimeter telescopes. In order to accomplish this testing, an ambient pressure 0.5 meter test chamber operating from 20 to -80 C, developed techniques for measuring non-optical quality mirrors with phase modulation 10.6 micron interferometry, and created the interferogram reduction program. During the course of the program, nineteen mirrors from four manufactures were tested: carbon fiber reinforced plastic (CFRP) aluminum honeycomb sandwich panel mirrors, a CFRP sandwich panel with an added glass facesheet, and carbon fiber reinforced glass panels. The results of the panel development and test program are summarized.
Document ID
19900004147
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Hoffmann, William F. (Arizona Univ. Tucson, AZ, United States)
Woida, Patrick (Arizona Univ. Tucson, AZ, United States)
Tysenn, Thomas (Arizona Univ. Tucson, AZ, United States)
Date Acquired
September 6, 2013
Publication Date
August 15, 1988
Publication Information
Publication: Jet Propulsion Lab., California Inst. of Tech., Report of the Asilomar 3 LDR Workshop
Subject Category
Optics
Accession Number
90N13463
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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