建立了平端光纤与锥端微透镜光纤对耦合的理论模型，得到耦合系数的计算公式。
The coupling between butt fiber and cone lensed fiber is described in this paper. A theoretical model is presented and the formula of coupling efficiency is given.
对几种典型的半导体激光器与光纤的耦合特性进行分析，提出提高耦合效率所采用的微透镜光纤的结构。
Through analyzing the different typical coupling properties of semiconductor laser to optical fiber, the structures of lensed fiber is presented to enhance the coupling efficiency largely.
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