Characteristics of Laser-Induced Surface and Bulk Damage of Large-Aperture Deuterated Potassium Dihydrogen Phosphate at 351 nm

被引：0

作者：

韩伟 ^{[1
,2
]}

周丽丹 ^{[2
]}

向勇 ^{[2
]}

田野 ^{[2
]}

王芳 ^{[2
]}

李富全 ^{[2
]}

王礼全 ^{[2
]}

冯斌 ^{[2
]}

赵军普 ^{[2
]}

郑奎兴 ^{[2
]}

朱启华 ^{[2
]}

魏晓峰 ^{[2
]}

郑万国 ^{[2
]}

巩马理 ^{[1
]}

机构：

[1] Department of Precision Instruments and Mechanology,Tsinghua University

[2] Research Center of Laser Fusion,China Academy of Engineering Physics

来源：

Chinese Physics Letters | 2016年 / 02期

基金：

中国国家自然科学基金;

关键词：

of; as; on; cm; it; KDP; is; Characteristics of Laser-Induced Surface and Bulk Damage of Large-Aperture Deuterated Potassium Dihydrogen Phosphate at 351 nm; that;

D O I：

暂无

中图分类号：

O614.113 [钾K];

学科分类号：

070301 ; 081704 ;

摘要：

Deuterated potassium dihydrogen phosphate damage performance at 351 nm is studied on a large-aperture laser system.Bulk and rear-surface damage are initiated under the 3ω fluences of 6.7 J/cm;and 3J/cm;,and show different growth characteristics under multiple laser irradiations with the fluence of 6 J/cm;.The size and number of bulk damage keep unchanged once initiated.However,surface damage size also does not grow,while surface damage number increases linearly with laser shots.Different damage thresholds and growth behaviors suggest different formations of bulk and surface damage precursors.The cause of surface damage is supposed to be near-surface absorbing particles buried under the sol-gei coating.

引用

页码：137 / 140

页数：4

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