Optical stability testing of the fiber support technology (FiST) focal plane assembly of the SABER instrument

Scott M. Jensen; J. Clair Batty; Roy W. Esplin; Matthew J. Felt

doi:10.1117/12.323741

17 September 1998 Optical stability testing of the fiber support technology (FiST) focal plane assembly of the SABER instrument

Scott M. Jensen, J. Clair Batty, Roy W. Esplin, Matthew J. Felt

Author Affiliations +

Proceedings Volume 3435, Cryogenic Optical Systems and Instruments VIII; (1998) https://doi.org/10.1117/12.323741
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

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.

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Scott M. Jensen, J. Clair Batty, Roy W. Esplin, and Matthew J. Felt "Optical stability testing of the fiber support technology (FiST) focal plane assembly of the SABER instrument", Proc. SPIE 3435, Cryogenic Optical Systems and Instruments VIII, (17 September 1998); https://doi.org/10.1117/12.323741

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