Generation of femtosecond laser pulses at 396 nm in K3B6O10Cl crystal

K3B6O10Cl （KBOC）, a new nonlinear optical crystal, shows potential advantages for the generation of deep ultraviolet （UV） light compared with other borate crystals. In this paper we study for the first time the second harmonic generation （SHG） of a femtosecond Ti：sapphire amplifier with this crystal...

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Published in中国物理B：英文版 Vol. 25; no. 12; pp. 262 - 265
Main Author 张宁华 滕浩 黄杭东 田文龙 朱江峰 吴红萍 潘世烈 方少波 魏志义
Format Journal Article
LanguageEnglish
Published 01.12.2016
Subjects
二次谐波产生
倍频转换效率
激光功率
硼酸盐晶体
脉冲持续时间
非线性光学晶体
非线性晶体
飞秒激光脉冲
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ISSN1674-1056
2058-3834
DOI10.1088/1674-1056/25/12/124204

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Summary:K3B6O10Cl （KBOC）, a new nonlinear optical crystal, shows potential advantages for the generation of deep ultraviolet （UV） light compared with other borate crystals. In this paper we study for the first time the second harmonic generation （SHG） of a femtosecond Ti：sapphire amplifier with this crystal. Laser power is obtained to be as high as 220 mW at the central wavelength of 396 nm with a 1-mm-long crystal, and the maximum SHG conversion efficiency reaches 39.3%. The typical pulse duration is 83 fs, The results show that second harmonic （SH） conversion efficiency has the room to be further improved and that the new nonlinear crystal is very suited to generate the high efficiency deep ultraviolet laser radiation below 266 nm.
Bibliography:nonlinear optics, nonlinear optical crystal, second harmonic generation
Ning-Hua Zhang, Hao Teng, Hang-Dong Huang, Wen-Long Tian,Jiang-Feng Zhu, Hong-Ping Wu, Shi-Lie Pan,Shao-Bo Fang and Zhi-Yi Wei（ 1 School of Physics and Optoelectronic Engineering, Xidian University, Xi＇an 710071, China 2 Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China 3 Xinjiang Technical Institute of Physics ＆ Chemistry, Chinese Academy of Sciences, Urumqi 830011, China）
K3B6O10Cl （KBOC）, a new nonlinear optical crystal, shows potential advantages for the generation of deep ultraviolet （UV） light compared with other borate crystals. In this paper we study for the first time the second harmonic generation （SHG） of a femtosecond Ti：sapphire amplifier with this crystal. Laser power is obtained to be as high as 220 mW at the central wavelength of 396 nm with a 1-mm-long crystal, and the maximum SHG conversion efficiency reaches 39.3%. The typical pulse duration is 83 fs, The results show that second harmonic （SH） conversion efficiency has the room to be further improved and that the new nonlinear crystal is very suited to generate the high efficiency deep ultraviolet laser radiation below 266 nm.
11-5639/O4
ISSN:1674-1056
2058-3834
DOI:10.1088/1674-1056/25/12/124204