Investigation of damage morphology change condition on reflectors

Zhichao Liu; Yi Zheng; Ping Ma; Feng Pan; Songlin Chen

doi:10.1117/12.2073251

22 September 2014 Investigation of damage morphology change condition on reflectors

Zhichao Liu, Yi Zheng, Ping Ma, Feng Pan, Songlin Chen

Proceedings Volume 9238, Pacific Rim Laser Damage 2014: Optical Materials for High-Power Lasers; 92380E (2014) https://doi.org/10.1117/12.2073251
Event: Pacific-rim Laser Damage, 2014, Yokohama, Japan

Abstract

The damage morphology change condition of 1064nm reflector under multi-shot was investigated. Two typical kind of damage, scald and delaminate, were careful characterized in the damage growth process by SEM. The scald damage tends to become delaminate damage under some certain condition. Huge experiments supports that this morphology change condition has a close connection with scald initial fluence, subsequent fluence and shot number. The relationship among these factors is for the first time achieved to offer the “safety lines” for components.

Citation Download Citation

Zhichao Liu, Yi Zheng, Ping Ma, Feng Pan, and Songlin Chen "Investigation of damage morphology change condition on reflectors", Proc. SPIE 9238, Pacific Rim Laser Damage 2014: Optical Materials for High-Power Lasers, 92380E (22 September 2014); https://doi.org/10.1117/12.2073251

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