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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 shovel shaping system for coupling high power laser diode with multimode fiber is proposed. The effects of different cutting angles, cutting depth and coupling distance on the coupling of the shovel fiber end to the laser diode and spade fiber are analyzed in detail. Impact. A method to calculate the coupling efficiency of the system is proposed. At the same time, a calculation example of the coupling efficiency is given, and the optimal parameters that can maximize the effect of the spade coupling are obtained