CVD diamond as an optical material for adverse environments

Keith A. Snail

doi:10.1117/12.47519

1 January 1991 CVD diamond as an optical material for adverse environments

Keith A. Snail

Proceedings Volume 1330, Optical Surfaces Resistant to Severe Environments; (1991) https://doi.org/10.1117/12.47519
Event: 34th Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1990, San Diego, CA, United States

Abstract

A status report is presented on the obstacles and current research related to using CVD diamond as an optical material. Problems discussed include properties of CVD carbon deposits, including structure, thermal conductivity and oxidation resistance, which are relevant to the optical uses of diamond; absorption coefficient measurements on CVD diamond in the visible and IR; and a review of various aspects of the synthesis of CVD diamond, including the growth of transparent and translucent diamond, efforts to grow diamond at low substrate temperatures, and approches to reducing the optical scatter of as grown polycrystalline diamond films and windows. Particular attention is given to techniques for reducing optical scatter which involve modifying materials morphologies during the growth process by controlling nucleation density, renucleaton frequency, and/or the orientation of crystal faces at film surfaces; techniques for postdeposition polishing of the surface of CVD diamond films and windows; and optical applications for CVD diamond.

Citation Download Citation

Keith A. Snail "CVD diamond as an optical material for adverse environments", Proc. SPIE 1330, Optical Surfaces Resistant to Severe Environments, (1 January 1991); https://doi.org/10.1117/12.47519

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