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Proceedings Paper

CO2 jet spray cleaning of IR thin-film-coated optics
Author(s): Ronald C. Loveridge
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Paper Abstract

Infrared (IR) optical sensor systems use thin film optical coatings to enhance inband transmittance and reject out of band radiation. Contamination degrades spectral performance by scattering, absorbing or reflecting incident radiation. Increasingly stringent requirements dictate that these coated optical surfaces must be maintained clean throughout their lifetime. Carbon dioxide jet spray is a promising method for cleaning delicate surfaces. This paper discusses IR sensor cleanliness requirements, the carbon dioxide (CO2) jet spray cleaning technique, and applications where it is used to clean IR thin film coatings.

Paper Details

Date Published: 1 January 1992
PDF: 19 pages
Proc. SPIE 10261, Infrared Thin Films: A Critical Review, 102610B (1 January 1992); doi: 10.1117/12.58695
Show Author Affiliations
Ronald C. Loveridge, Hughes Aircraft Co. (United States)

Published in SPIE Proceedings Vol. 10261:
Infrared Thin Films: A Critical Review
Ric P. Shimshock, Editor(s)

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