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12 June 2006 Johnson Space Center Vacuum Chamber A as a partial metering structure for James Webb Space Telescope optical testing
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Abstract
In precision optical testing, it is desirable to provide a unified metering structure between the optical test source and the test article to limit the effects of incoming vibration sources. In this manner, the entire optical test structure may be vibration isolated as a single unit. Cryogenic temperature requirements for the James Webb Space Telescope make it cost prohibitive to maintain a single optical metering structure. This paper demonstrates the advantages and challenges of separately isolating the test source from the telescope, while using the Johnson Space Center Vacuum Chamber A as the metering structure supporting the two isolated assemblies.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Kenneth M. Patterson, Christopher L. Buttaccio, and Gregory D. Peck Jr. "Johnson Space Center Vacuum Chamber A as a partial metering structure for James Webb Space Telescope optical testing", Proc. SPIE 6271, Modeling, Systems Engineering, and Project Management for Astronomy II, 62710C (12 June 2006); https://doi.org/10.1117/12.673501
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