Cryogenic, infrared, optical beamsplitter wavefront error analysis and test

T. Newswander; Tyrel Rupp

doi:10.1117/12.2273078

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23 August 2017 Cryogenic, infrared, optical beamsplitter wavefront error analysis and test

T. Newswander, Tyrel Rupp

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Proceedings Volume 10371, Optomechanical Engineering 2017; 103710M (2017) https://doi.org/10.1117/12.2273078
Event: SPIE Optical Engineering + Applications, 2017, San Diego, California, United States

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.

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T. Newswander and Tyrel Rupp "Cryogenic, infrared, optical beamsplitter wavefront error analysis and test", Proc. SPIE 10371, Optomechanical Engineering 2017, 103710M (23 August 2017); https://doi.org/10.1117/12.2273078

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