Surface analytical evaluation of contamination related laser induced damage to a TIR slab

John S. Canham

doi:10.1117/12.634334

7 February 2006 Surface analytical evaluation of contamination related laser induced damage to a TIR slab

John S. Canham

Proceedings Volume 5991, Laser-Induced Damage in Optical Materials: 2005; 59910I (2006) https://doi.org/10.1117/12.634334
Event: Boulder Damage Symposium XXXVII: Annual Symposium on Optical Materials for High Power Lasers, 2005, Boulder, CO, United States

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.

Citation Download Citation

John S. Canham "Surface analytical evaluation of contamination related laser induced damage to a TIR slab", Proc. SPIE 5991, Laser-Induced Damage in Optical Materials: 2005, 59910I (7 February 2006); https://doi.org/10.1117/12.634334

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