Physics – Optics
Scientific paper
Oct 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989spie.1113..249m&link_type=abstract
IN: Reflective optics II; Proceedings of the Meeting, Orlando, FL, Mar. 27-29, 1989 (A90-39027 17-74). Bellingham, WA, Society o
Physics
Optics
Cryogenic Cooling, Infrared Telescopes, Optical Reflection, Apertures, Infrared Interferometers, Mirrors, Spectrometers, Structural Weight, Test Equipment
Scientific paper
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.
Benoit Robert T.
Glasheen Richard R.
Mastandrea Andrew A.
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