Herschel Space Telescope: impact of new material strain data on optical test and model correlation

Brian Catanzaro; Dominic Doyle; Eri Cohen

doi:10.1117/12.857732

22 July 2010 Herschel Space Telescope: impact of new material strain data on optical test and model correlation

Brian Catanzaro, Dominic Doyle, Eri Cohen

Proceedings Volume 7739, Modern Technologies in Space- and Ground-based Telescopes and Instrumentation; 77392I (2010) https://doi.org/10.1117/12.857732
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

Abstract

Successful launch and imagery from the Herschel Space Telescope has demonstrated a nominally in focus telescope. There still remains a discrepancy between the prediction and measurement of the telescope back focal length prior to launch. New material strain data has been applied to the structural/optical model of the telescope. The new data significantly closed the gap between the previous optical test measurement and prediction. However, a discrepancy still exists. Model results and techniques will be presented and discussed.

Citation Download Citation

Brian Catanzaro, Dominic Doyle, and Eri Cohen "Herschel Space Telescope: impact of new material strain data on optical test and model correlation", Proc. SPIE 7739, Modern Technologies in Space- and Ground-based Telescopes and Instrumentation, 77392I (22 July 2010); https://doi.org/10.1117/12.857732

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