Use of updated material properties in parametric optimization of spaceborne mirrors

Tony Hull; Thomas Westerhoff; Guenter Weidmann; Rule Kirchhoff

doi:10.1117/12.2234269

29 July 2016 Use of updated material properties in parametric optimization of spaceborne mirrors

Tony Hull, Thomas Westerhoff, Guenter Weidmann, Rule Kirchhoff

Proceedings Volume 9904, Space Telescopes and Instrumentation 2016: Optical, Infrared, and Millimeter Wave; 99046B (2016) https://doi.org/10.1117/12.2234269
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

Spaceborne sensor mirrors need to be both structurally efficient and to maintain figure through thermal transients. Both properties can be represented in a plot showing structural efficiency on one axis and thermal transient resilience on the other. For material selection, engineers have effectively used such charts. However in some cases thermal attributes have improved considerably. Using contemporary values, this comparison chart looks differently. We will discuss how lines of equal merit may be formulated differently depending on the orbit of the mission.

Citation Download Citation

Tony Hull, Thomas Westerhoff, Guenter Weidmann, and Rule Kirchhoff "Use of updated material properties in parametric optimization of spaceborne mirrors", Proc. SPIE 9904, Space Telescopes and Instrumentation 2016: Optical, Infrared, and Millimeter Wave, 99046B (29 July 2016); https://doi.org/10.1117/12.2234269

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