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Proceedings Paper

Characterization and modeling of the infrared properties of diamond and SiC
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Paper Abstract

Diamond and Silicon Carbide (SiC) are two of the most durable infrared transmitting window materials available today. Diamond is transparent from 0.25 - 3 μm, exhibits weak absorption in the mid-infrared, and is again transparent from 8 μm well into the microwave range. Silicon Carbide has a single infrared transmission window from a 0.4 - 6 μm. In this paper, experimental characterization of the multiphonon absorption in CVD diamond and various grades of SiC as a function of temperature and frequency is presented. A broadband FTIR transmissometer is used. The temperature range is from 10 to 800 K and the frequency range is from 500 to 5000 cm-1. Using this experimental data set up updated multiphonon absorption model is developed that represents the experimental data over all temperatures and frequencies.

Paper Details

Date Published: 26 September 2003
PDF: 11 pages
Proc. SPIE 5078, Window and Dome Technologies VIII, (26 September 2003); doi: 10.1117/12.487875
Show Author Affiliations
Daniel V. Hahn, Johns Hopkins Univ. (United States)
Michael E. Thomas, Johns Hopkins Univ. (United States)
David W. Blodgett, Johns Hopkins Univ. (United States)
Simon G. Kaplan, National Institute of Standards and Technology (United States)

Published in SPIE Proceedings Vol. 5078:
Window and Dome Technologies VIII
Randal W. Tustison, Editor(s)

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