Nanosecond multi-pulse damage investigation of optical coatings in atmosphere and vacuum environments

被引：22
|
作者：
Ling, XiuLan [1 ,2 ]
机构：
[1] N Univ China, Dept Optoelect Engn, Taiyuan 030051, Peoples R China
[2] Shanghai Inst Opt & Fine Mech, Key Lab Mat Sci & Technol High Power Lasers, Shanghai 201800, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2011年 / 257卷 / 13期
关键词：
Vacuum; Laser-induced damage; Fatigue effect; Defect statistical model; Air-vacuum effect; LASER-INDUCED DAMAGE; THERMAL-CONDUCTIVITY; THIN-FILMS; THRESHOLD; SILICA;
D O I：
10.1016/j.apsusc.2011.01.053
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The cumulative effect of nanosecond multi-pulse irradiation on the dielectric coatings in atmosphere and vacuum environments was investigated. The laser-induced damage thresholds (LIDT) and the life span submitted to multi-pulse irradiation in two environments were compared. For both environments, we observe a decrease in laser-induced damage thresholds (LIDT) when shot number increase. However, the fatigue effect under repetitive shots under atmosphere environments and vacuum cases leads to different speeds of degradation. The correlative theory models were built to explain the experimental results. (C) 2011 Elsevier B. V. All rights reserved.
引用
收藏
页码：5601 / 5604
页数：4
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