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Proceedings Paper

Optical stability testing of the fiber support technology (FiST) focal plane assembly of the SABER instrument
Author(s): Scott M. Jensen; J. Clair Batty; Roy W. Esplin; Matthew J. Felt
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Paper Abstract

The focal plane assembly of the Sounding of the Atmosphere using Broadband Emission Radiometry (SABER) instrument is supported using Fiber Support Technology (FiST) which utilizes high performance fibers in tension to mechanically support and thermally isolate a cooled component from a warm environment. Details of this approach were presented in detail at SPIE meeting in Denver in 1996. The SABER team deemed it necessary to perform optical stability testing on this never-before-flown technology for supporting focal plane assemblies to determine if precise positioning could be maintained through vibration and thermal cycling. After subjecting the support system to vibration and thermal cycling, the angular orientation between the warm outer support structure and the inner cold block was measured. Since the outer support structure serves as the reference location for positioning the focal plane assembly and the cold block is where the detectors reside, it was possible to determine if FiST meets the optical stability requirements for the SABER instrument. The results from this testing are presented, discussed, and compared to the optical requirements of the SABER instrument. A brief summary of current thermal and mechanical enhancements to the system will also be discussed.

Paper Details

Date Published: 17 September 1998
PDF: 12 pages
Proc. SPIE 3435, Cryogenic Optical Systems and Instruments VIII, (17 September 1998); doi: 10.1117/12.323741
Show Author Affiliations
Scott M. Jensen, Utah State Univ. (United States)
J. Clair Batty, Utah State Univ. (United States)
Roy W. Esplin, Utah State Univ. (United States)
Matthew J. Felt, Utah State Univ. (United States)

Published in SPIE Proceedings Vol. 3435:
Cryogenic Optical Systems and Instruments VIII
James B. Heaney; Lawrence G. Burriesci, Editor(s)

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