提出了一种用于大功率激光二极管与多模光纤耦合的新颖的铲形整形系统,详细分析了铲形光纤端头不同的切割角度、切割深度以及耦合距离对激光二极管与铲形光纤耦合效率的影响。提出了一种计算该系统耦合效率的方法,同时给出了耦合效率的计算实例,得出了可以最大程度地提高铲形耦合头作用的优化参量。

A novel screwdriver-like shaping system for the usage of coupling between high-power laser diode and multimode fiber (MMF) is presented. The effect of cutting angle, cutting depth and coupling distance between laser diode and screwdriver-like fiber on the coupling efficiency is analyzed in detail. A method for coupling efficiency calculating is provided. An example of efficiency calculating is provided, and optimized parameters that can work well with the screwdriver-like coupling system are obtained.