Based on the main reason that affected polarization ratio of a LD pumped Nd∶YVO4/KTP green light laser,a simple and effective solution,which make all the optical surface in the laser cavity(include the both cavity surface) AR for 532 nm wavelength and make one optical surface with a little-angle HR(high-reflection) for 532 nm wavelength,can increase the polarization ratio of a LD pumped Nd∶YVO4/KTP green light laser.This solution can also be used in other laser.
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汤晓晖,陈险峰,胡企铨,张哨峰.提高LD端泵绿光激光器偏振比的方法[J].激光与红外,2009,39(9):931~933 TANG Xiao-hui, CHEN Xian-feng, HU Qi-quan, ZHANG Shao-feng. A way to increase polarization ratio of LD pumped green laser[J]. LASER & INFRARED,2009,39(9):931~933