Stable operation of 4 mW nanoseconds radiation at 177.3 nm by Second Harmonic Generation in KBe2BO3F2 Crystals

被引：28

作者：

Wang, Zhimin ^{[1
]}

Zhang, Jing-yuan ^{[1
]}

Yang, Feng ^{[2
]}

Cheng, Xiankun ^{[2
]}

Zhou, Yong ^{[2
]}

Xu, Jialin ^{[1
]}

Xu, Yiting ^{[2
]}

Bo, Yong ^{[1
]}

Peng, Qinjun ^{[1
]}

Cui, Dafu ^{[1
]}

Xu, Zuyan ^{[1
]}

Wang, Xiaoyang ^{[3
]}

Zhu, Yong ^{[3
]}

Chen, Chuangtian ^{[3
]}

机构：

[1] Chinese Acad Sci, Tech Inst Phys & Chem, Ctr Laser Phys & Technol, Beijing 100190, Peoples R China

[2] Chinese Acad Sci, Grad Sch, Beijing 100080, Peoples R China

[3] Chinese Acad Sci, Tech Inst Phys & Chem, Beijing Ctr Crystal Res & Dev, Beijing 100190, Peoples R China

来源：

OPTICS EXPRESS | 2009年 / 17卷 / 22期

基金：

中国国家自然科学基金;

关键词：

DEEP-ULTRAVIOLET; HARMONIC-GENERATION; LIGHT; LASER; KBBF;

D O I：

10.1364/OE.17.020021

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report the generation of nanoseconds radiation at 177.3 nm with a maximum average power of 34.7 mW by second harmonic generation (SHG) in a 2.06-mm thick KBe2BO3F2 (KBBF) crystal pumped with a homemade 4.2 W nanoseconds Nd:YAG laser at 355 nm operating at 10 KHz and 49 ns, which corresponds to an energy efficiency of similar to 0.826%. To our knowledge, it is the highest power generated at 177.3 nm. The dependence of phase matching angle of KBBF on temperature is presented for the first time. We also present the details on the measures for stable operation of a 4 mW nanosecond output at 177.3 nm with a lower pumping power in a thinner 1.37-mm KBBF crystal, and the stable output power is improved by about 20 times compared with previous results. (C) 2009 Optical Society of America

引用

页码：20021 / 20032

页数：12

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