2 September 2008 Effects of vacuum-ultraviolet radiation on the desorption of molecular contaminants
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Abstract
Molecular contamination degrades sensitive spacecraft surfaces and can adversely affect the useful life of a spacecraft. In order to accurately predict spacecraft performance and end of life, an understanding of the primary mechanisms and processes involved in the deposition and "fixing" of molecular contaminants is necessary. The objective for this research effort has been to investigate how solar vacuum ultraviolet (VUV) radiation and surface temperature influence photochemical reactions of molecular contaminants. This report presents the effects of VUV intensity and surface temperature on photo-deposition and "photo-fixing" of dioctyl phthalate (DOP) films.
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Keith R. Olson, Kelsey A. Folgner, Gidget K. Ternet, "Effects of vacuum-ultraviolet radiation on the desorption of molecular contaminants", Proc. SPIE 7069, Optical System Contamination: Effects, Measurements, and Control 2008, 706905 (2 September 2008); doi: 10.1117/12.795927; https://doi.org/10.1117/12.795927
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