A high polarization microchip green laser with dual Nd:YVO4 crystal |
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| Authors: | H.F. Lin W.Z. Zhu F.B. Xiong R.Z. Mu Y.Q. Huang |
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| Affiliation: | 1. Department of Mathematics and Physics, Xiamen University of Technology, Xiamen 361024, China;2. The School of Physics and Mechanical & Electrical Engineering, Xiamen University, Xiamen 361024, China |
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| Abstract: | A high polarization Nd:YVO4/KTP laser with dual crossed gain crystal is reported. Using two optical axis orthogonal Nd:YVO4 crystal as gain medium, eliminating the depolarization effect of single Nd:YVO4 crystal, the high polarization green laser is obtained. With 1.8 W diode laser pump power the output power of TEM00 green laser is 366 mW, the light–light conversion efficiency is up to 20.3%, and the polarization ratio is 110:1. This laser has the advantages of being simple and easily attainable at a low cost, and it is suitable for batch production. |
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