Multiphonon difference band absorption in diamond

Michael E. Thomas

doi:10.1117/12.884095

20 May 2011 Multiphonon difference band absorption in diamond

Michael E. Thomas

Proceedings Volume 8016, Window and Dome Technologies and Materials XII; 80160H (2011) https://doi.org/10.1117/12.884095
Event: SPIE Defense, Security, and Sensing, 2011, Orlando, Florida, United States

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.

Citation Download Citation

Michael E. Thomas "Multiphonon difference band absorption in diamond", Proc. SPIE 8016, Window and Dome Technologies and Materials XII, 80160H (20 May 2011); https://doi.org/10.1117/12.884095

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