Abstract:
半导体激光器以重量轻、体积小、光电转化率高、具有便携性等优点,在工业应用中扮演越来越重要的角色.但在半导体激光封装中,热应力引起半导体激光阵列(LDA)中各个发光单元在垂直于P-N 结方向发生位移,使列阵中各个发光单元不在一条直线上,这种现象被称为smile效应.smile效应会使LDA快轴方向的光束准直变得复杂,也会使激光光束质量成倍的降低,同时还影响器件寿命.故而对半导体激光陈列smile的测量有重要意义.
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Year: 2016
Page: 23-23
Language: Chinese
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