Cryogenic, infrared, optical beamsplitter wavefront error analysis and test

T. Newswander; Tyrel Rupp

doi:10.1117/12.2273078

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

T. Newswander, Tyrel Rupp

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.

Citation Download Citation

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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