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Proceedings Paper

Surface analytical evaluation of contamination related laser induced damage to a TIR slab
Author(s): John S. Canham
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Paper Abstract

Detailed surface chemical analysis of laser induced damage to a Nd:YAG total internal reflection (TIR) slab, in conjunction with knowledge of optical behaviors can provide the identification of not only the damage that occurred, but how it was initiated. Careful evaluation of surface analytical results can provide a great deal more information. Laser damage occurring in high quality optical components at laser intensities well below expected damage thresholds are anomalous. Detailed chemical surface analysis combined with fundamental knowledge of optics provided not only identification of the precipitating mechanism but, identification of issues in optical component manufacture and complex chemical reactions within the affected region. Laser-contaminant, contaminant-contaminant, and contaminant-optic reactions were detected.

Paper Details

Date Published: 7 February 2006
PDF: 10 pages
Proc. SPIE 5991, Laser-Induced Damage in Optical Materials: 2005, 59910I (7 February 2006); doi: 10.1117/12.634334
Show Author Affiliations
John S. Canham, Swales Aerospace (United States)

Published in SPIE Proceedings Vol. 5991:
Laser-Induced Damage in Optical Materials: 2005
Gregory J. Exarhos; Arthur H. Guenther; Keith L. Lewis; Detlev Ristau; M.J. Soileau; Christopher J. Stolz, Editor(s)

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