Cryogenic Testing Of Reflective Optical Components And Telescope Systems

Andrew A. Mastandrea; Robert T. Benoit; Richard R. Glasheen

doi:10.1117/12.955593

11 October 1989 Cryogenic Testing Of Reflective Optical Components And Telescope Systems

Andrew A. Mastandrea, Robert T. Benoit, Richard R. Glasheen

Proceedings Volume 1113, Reflective Optics II; (1989) https://doi.org/10.1117/12.955593
Event: SPIE 1989 Technical Symposium on Aerospace Sensing, 1989, Orlando, FL, United States

Abstract

This paper documents and investigates the optical performance of metal mirrors at cryogenic temperatures. It also reviews the telescope system level optical performance for several telescope systems designed and fabricated at SSG. These include data on the LAIRTS Telescope (Large Aperture Infrared Telescope Sensor), the CLAES Telescope (Cryogenic Limb Array Etalon Spectrometer), and the SPIRIT II Telescope (Spatial Infrared Rocketborne Interferometer Telescope). A brief discussion of the design and fabrication of these mirrors is included along with a summary of the driving design performance constraints on cryogenic infrared optics. A review of the test techniques and cryogenic test facilities is given. Interferometric testing is the primary tool used to test these mirrors and systems. This section of the paper also discusses the data analysis methods utilized to determine the cryogenic optical performance of these mirrors.

Citation Download Citation

Andrew A. Mastandrea, Robert T. Benoit, and Richard R. Glasheen "Cryogenic Testing Of Reflective Optical Components And Telescope Systems", Proc. SPIE 1113, Reflective Optics II, (11 October 1989); https://doi.org/10.1117/12.955593

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