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Generation of femtosecond laser pulses at 396 nm in K3B6O10Cl crystal |
Ning-Hua Zhang(张宁华)1, Hao Teng(滕浩)2, Hang-Dong Huang(黄杭东)1, Wen-Long Tian(田文龙)1, Jiang-Feng Zhu(朱江峰)1, Hong-Ping Wu(吴红萍)3, Shi-Lie Pan(潘世烈)3, Shao-Bo Fang(方少波)2, Zhi-Yi Wei(魏志义)2 |
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 |
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Abstract 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.
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Received: 23 July 2016
Revised: 22 September 2016
Accepted manuscript online:
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PACS:
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42.65.-k
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(Nonlinear optics)
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42.70.Nq
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(Other nonlinear optical materials; photorefractive and semiconductor materials)
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42.72.Bj
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(Visible and ultraviolet sources)
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Fund: Project supported by the National Key Basic Research Program of China (Grant Nos. 2013CB922401 and 2013CB922402) and the National Natural Science Foundation of China (Grant Nos. 11474002, 61205130, and 61575219). |
Corresponding Authors:
Hao Teng, Zhi-Yi Wei
E-mail: hteng@iphy.ac.cn;zywei@iphy.ac.cn
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Cite this article:
Ning-Hua Zhang(张宁华), Hao Teng(滕浩), Hang-Dong Huang(黄杭东), Wen-Long Tian(田文龙), Jiang-Feng Zhu(朱江峰), Hong-Ping Wu(吴红萍), Shi-Lie Pan(潘世烈), Shao-Bo Fang(方少波), Zhi-Yi Wei(魏志义) Generation of femtosecond laser pulses at 396 nm in K3B6O10Cl crystal 2016 Chin. Phys. B 25 124204
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