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Proceedings Paper

Cryogenic, infrared, optical beamsplitter wavefront error analysis and test
Author(s): T. Newswander; Tyrel Rupp
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Paper Abstract

Mounting large reflective-refractive optical elements for cryogenic space application requires careful engineering. Optical wavefront error performance is balanced with surviving launch environments and cryogenic temperatures. Mounting and ground testing of a 25 cm by 15 cm plano germanium optical beamsplitter element was completed. Cryogenic WFE testing was performed down to 115 K predicting compliance to operational environment performance requirements. This paper discusses the mount engineering including detailed analysis, testing, and results.

Paper Details

Date Published: 23 August 2017
PDF: 8 pages
Proc. SPIE 10371, Optomechanical Engineering 2017, 103710M (23 August 2017); doi: 10.1117/12.2273078
Show Author Affiliations
T. Newswander, Space Dynamics Lab. (United States)
Tyrel Rupp, Space Dynamics Lab. (United States)

Published in SPIE Proceedings Vol. 10371:
Optomechanical Engineering 2017
Alson E. Hatheway; David M. Stubbs, Editor(s)

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