Cryogenic performance of a passive lightweight mirror

Peter A. Jones; Donald A. Gildner

doi:10.1117/12.324445

28 August 1998 Cryogenic performance of a passive lightweight mirror

Peter A. Jones, Donald A. Gildner

Proceedings Volume 3356, Space Telescopes and Instruments V; (1998) https://doi.org/10.1117/12.324445
Event: Astronomical Telescopes and Instrumentation, 1998, Kona, HI, United States

Abstract

Advanced spaceborne optical system currently under consideration, such as the Next Generation Space Telescope, will require the use of large UV segmented mirrors that can perform at cryogenic temperatures. The mirrors must be rugged, low risk, reliable, and capable of surviving launch. A design approach that utilizes passive segments in order to meet the optical system design requirements at cryogenic temperatures offers significant advantages in weight, performance, and reliability. A comparison of passive mirror designs using alternate mirror materials and the results of prototype testing at cryogenic temperature will be presented.

Citation Download Citation

Peter A. Jones and Donald A. Gildner "Cryogenic performance of a passive lightweight mirror", Proc. SPIE 3356, Space Telescopes and Instruments V, (28 August 1998); https://doi.org/10.1117/12.324445

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