Sulfate may play an important role in the wavelength dependence of laser induced damage

被引:10
作者
Li Liang [1 ]
Zhao Xian [1 ]
Sun Xun [1 ]
Sun Xueqin [1 ]
机构
[1] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China
来源
OPTICS EXPRESS | 2006年 / 14卷 / 25期
关键词
D O I
10.1364/OE.14.012196
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Sulfate replacement of potassium dihydrogen phosphate (KDP) was studied by the first-principles simulation method and the density of of its states was calculated. We found that sulfate can reduce the band gap of KDP crystal to 3.90eV (318nm), which is consistent with the experimental work of others and indicates that sulfate may be a source of the low damage threshold. (c) 2006 Optical Society of America
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页码:12196 / 12198
页数:3
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