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Proceedings Paper

Properties of diamond for window and dome applications
Author(s): Daniel C. Harris
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Paper Abstract

Clear diamond windows with thicknesses of 0.3 - 1.0 mm and diameters up to 6 cm have now been produced. In the 8 - 14 micrometers infrared region, the absorption coefficient is as low as 0.1 - 0.3 cm-1, optical scatter is below 1%, and emissivity is below 3% at 500 degree(s)C. Microwave dielectric properties, thermal properties, and most mechanical properties of chemical-vapor-deposited diamond are equivalent to those of Type IIa natural diamond. The mechanical strength of 0.5 - 1 mm thick chemical-vapor-deposited diamond attained so far is an order of magnitude lower than that of natural diamond, and is governed by microscopic cracks and defects.

Paper Details

Date Published: 28 September 1994
PDF: 11 pages
Proc. SPIE 2286, Window and Dome Technologies and Materials IV, (28 September 1994); doi: 10.1117/12.187343
Show Author Affiliations
Daniel C. Harris, Naval Air Warfare Ctr. (United States)


Published in SPIE Proceedings Vol. 2286:
Window and Dome Technologies and Materials IV
Paul Klocek, Editor(s)

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