Infrared measurements of CVD diamond films

Xiao-Hong Wang; Lawrence J. Pilione; Wei Zhu; Walter A. Yarbrough; W. R. Drawl; Russell F. Messier

doi:10.1117/12.22455

1 December 1990 Infrared measurements of CVD diamond films

Xiao-Hong Wang, Lawrence J. Pilione, Wei Zhu, Walter A. Yarbrough, W. R. Drawl, Russell F. Messier

Proceedings Volume 1325, Diamond Optics III; (1990) https://doi.org/10.1117/12.22455
Event: 34th Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1990, San Diego, CA, United States

Abstract

The growth surfaces of CVD diamond films are usually rough with polycrystalline crystallographic habits which presents a severe problem if CVD diamond films are to be used in infrared optics. Several methods are described in this paper in an effort to solve this problem. A polishing process was used to reduce the surface roughness by polishing the rough growth surface with a heated cast iron scaife. For polished films, near 70% transmittance was obtained over the whole range of 600-4000 cm-1, while the transmittance for non-polished films were much lower and varied strongly with the wavenumber. Absorptions believed due to carbon-hydrogen stretching bands and a silicon carbide phase were observed in the transmission spectra of polished diamond films.

Citation Download Citation

Xiao-Hong Wang, Lawrence J. Pilione, Wei Zhu, Walter A. Yarbrough, W. R. Drawl, and Russell F. Messier "Infrared measurements of CVD diamond films", Proc. SPIE 1325, Diamond Optics III, (1 December 1990); https://doi.org/10.1117/12.22455

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