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

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

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Citations (Scopus)

Abstract

Optical, mechanical and erosion protective characteristics of boron and gallium phosphide have been evaluated as single films and within anti-reflection multilayers. These coatings are shown to combine broad-band infra-red transmission with environmental durability, specifically in relation to abrasion resistance and elevated temperature performance up to 500 degree(s)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. Productionizing of phosphide coating processes is well advanced in relation to control, scaling and handling of hazardous feedstocks.

© (1992) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Original languageEnglish
Title of host publicationWindows And Dome Technologies And Materials III
EditorsPaul Klocek
PublisherSociety of Photo-Optical Instrumentation Engineers
Number of pages23
DOIs
Publication statusPublished - 22 Jul 1992
Externally publishedYes
EventSan Diego '92, Windows and Dome Technologies and Materials III - San Diego, United States
Duration: 22 Jul 199222 Jul 1992

Publication series

NameProceedings of SPIE
PublisherSPIE
Volume1760
ISSN (Print)0277-786X

Conference

ConferenceSan Diego '92, Windows and Dome Technologies and Materials III
Country/TerritoryUnited States
CitySan Diego
Period22/07/9222/07/92

Keywords

  • Optical coatings
  • Zinc
  • Germanium
  • Absorption
  • Multilayers
  • Particles
  • Antireflective Coatings

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