| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Two-Crystal Design and Numerical Simulations for High-Average-Power Second-Harmonic Generation |
| ZHONG Hai-Zhe1, YUAN Peng2**, ZHU He-Yuan1, QIAN Lie-Jia1 |
1Department of Optical Science and Engineering, Fudan University, Shanghai 200433
2Key Laboratory for Laser Plasmas (Ministry of Education) and Physics Department, Shanghai Jiaotong University, Shanghai 200240
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| Cite this article: |
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ZHONG Hai-Zhe, YUAN Peng, ZHU He-Yuan et al 2013 Chin. Phys. Lett. 30 014208 |
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Abstract Temperature-insensitive phase-matching of second-harmonic generation (SHG) can be realized using two nonlinear crystals with opposite signs of the temperature derivation of phase mismatch. The design procedure for optimizing crystal lengths is presented, and full numerical simulations for the SHG process, based on realistic crystals, are performed at a typical high-power-laser wavelength of ～1 μm. It is suggested that the proposed two-crystal design can support high efficiency (60–70%) of SHG in the high-average power regime of a kilowatt.
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Received: 13 September 2012
Published: 04 March 2013
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| PACS: |
42.65.Ky
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(Frequency conversion; harmonic generation, including higher-order harmonic generation)
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42.70.Mp
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(Nonlinear optical crystals)
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78.20.N-
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