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Proceedings Paper

Multiphonon difference band absorption in diamond
Author(s): Michael E. Thomas
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Paper Abstract

The longwave absorption coefficient of diamond is composed of the two-phonon red wing and multiphonon difference (hot) bands. As temperature increases the difference bands rapidly grow in strength and dominate the absorption. A variation on a multiphonon sum band model is developed for difference bands and applied to a temperature dependent data set on CVD polycrystalline diamond that are 1.54 mm thick. The model can also be used to estimate multiphonon difference band contribution to the refractive index.

Paper Details

Date Published: 20 May 2011
PDF: 7 pages
Proc. SPIE 8016, Window and Dome Technologies and Materials XII, 80160H (20 May 2011); doi: 10.1117/12.884095
Show Author Affiliations
Michael E. Thomas, The Johns Hopkins Univ. (United States)

Published in SPIE Proceedings Vol. 8016:
Window and Dome Technologies and Materials XII
Randal W. Tustison, Editor(s)

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