Ultradurable phosphide-based antireflection coatings for sand and rain erosion protection

Desmond R. Gibson; Ewan M. Waddell; Sandy A. D. Wilson; Keith L. Lewis

doi:10.1117/12.160941

1 March 1994 Ultradurable phosphide-based antireflection coatings for sand and rain erosion protection

Desmond R. Gibson, Ewan M. Waddell, Sandy A. D. Wilson, Keith L. Lewis

Author Affiliations +

Optical Engineering, Vol. 33, Issue 3, (March 1994). https://doi.org/10.1117/12.160941

Abstract

Optical, mechanical, and erosion-protective characteristics of boron and gallium phosphide are evaluated as single films and within antireflection multilayers. These coatings are shown to combine broadband infrared transmission with environmental durability, specifically in relation to abrasion resistance and elevated temperature performance up to 500°C. Rain erosion protection of all common IR optical materials is demonstrated from single water jet impact and whirling arm tests. Protective characteristics in relation to solid particle impact are described.

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Desmond R. Gibson, Ewan M. Waddell, Sandy A. D. Wilson, and Keith L. Lewis "Ultradurable phosphide-based antireflection coatings for sand and rain erosion protection," Optical Engineering 33(3), (1 March 1994). https://doi.org/10.1117/12.160941

Published: 1 March 1994

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