Optimal coating solution for the total internal reflection surface of zig-zag slab laser amplifier

被引：0
|
作者：
Liu, Fei [1 ,2 ]
Dong, Siyu [1 ,2 ]
Jiao, Hongfei [1 ,2 ]
Zhang, Jinlong [1 ,2 ,3 ]
Ma, Bin [1 ,2 ]
Wang, Zhanshan [1 ,2 ,3 ]
Cheng, Xinbin [1 ,2 ,3 ]
机构：
[1] MOE Key Lab Adv Microstruct Mat, Shanghai 200092, Peoples R China
[2] Tongji Univ, Sch Phys Sci & Engn, Inst Precis Opt Engn, Shanghai 200092, Peoples R China
[3] Shanghai Jiao Tong Univ, IFSA Collaborat Innovat Ctr, Shanghai 200240, Peoples R China
来源：
LASER-INDUCED DAMAGE IN OPTICAL MATERIALS 2017 | 2017年 / 10447卷
基金：
中国国家自然科学基金;
关键词：
zigzag slab; total internal reflection; laser damage; interface; electric-field; thin films; INDUCED DAMAGE; THRESHOLD;
D O I：
10.1117/12.2280493
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The operating fluence of traditional zigzag slab laser amplifier is limited by the interfacial laser damage between the laser crystal and SiO2 film at the total internal reflection surface. A novel coating solution for the total internal reflection surface was proposed to increase the laser damage resistance. A HfO2 layer with optimal thickness was inserted between the laser crystal and SiO2 film to manipulate electric-field intensity at the vulnerable crystal-film interface to be zero. The laser damage resistance of this new coating for the total internal reflection surface is about two times higher than that of traditional zigzag slab laser amplifier.
引用
收藏
页数：6
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