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采用双折射晶体实现大功率半导体列阵激光器偏振复合

Lin HAN,Yuan-yuan LIU,Cui-luan WANG, Peng WU,Xiao-ming FENG,Xiao-wei WANG,Su-ping UU,Xiao-yu MA

Guangdianzi Jiguang/Journal of Optoelectronics Laser（2008）

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Abstract
根据大功率半导体列阵激光器输出光束的偏振特性,基于偏振复用的原理,利用双折射晶体YVO4进行两只大功率半导体列阵激光器的偏振合束研究.利用按照理论计算值生长的双折射晶体和特殊设计的光路系统实现功率复用效率66%,经过耦合镜聚焦后得到光斑大小为1.25 mm×0.12 mm,功率密度为2.74×104 W/cm2.
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Key words
Birefringent crystal,Laser diode array,Polarization multiplexing,YVO4
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