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本文对用于端面泵浦的梯度折射率透镜耦合系统作了研究。实验得到了基模工作时大于30%的光光转换效率。并且讨论了二元光学相位板在耦合系统中的应用。
In this paper, a gradient refractive index lens coupling system for end-pumped is studied. The experimental results show that the light-to-light conversion efficiency of more than 30% in the base mode operation. The application of binary optical phase plate in the coupling system is also discussed.