Assessment of type IIA diamond as an optical material for use in severe environments

Stephen P. McGeoch, Desmond R. Gibson, James Anthony Savage

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

Abstract

Results are presented from a program of tests carried out on bulk type IIa (natural) diamond. The objectives were to assess diamond as a material for optical windows exposed to severe environmental conditions, and to determine benchmarks for the performance of synthetic, film-grown diamond. Measurements have been carried out of transmittance and reflectance from the UV to the far-IR, IR transmittance up to 700 degree(s)C, and absorptance at specific CO2 laser wavelengths (determined by laser calorimetry). Water jet impact and simulated sand erosion resistance have been evaluated. The laser-induced damage threshold at 10.6 micrometers has been measured.
Original languageEnglish
Title of host publicationWindow and Dome Technologies and Materials III
PublisherSociety of Photo-Optical Instrumentation Engineers
Number of pages21
DOIs
Publication statusPublished - 14 Dec 1992
Externally publishedYes
EventSan Diego'92 - San Diego, United States
Duration: 22 Jul 199222 Jul 1992

Conference

ConferenceSan Diego'92
Country/TerritoryUnited States
CitySan Diego
Period22/07/9222/07/92

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