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用双通结构理论对采用光纤光栅做腔镜的两级的串级拉曼激光器进行了数值模拟。在此基础上,分析了光纤长度、谐振腔损耗及输出镜反射率等因素对两级掺磷全光纤拉曼激光器的输出功率、阈值、斜率效率等输出特性的影响,并给出了串级拉曼激光器的优化设计参数。
The two-stage cascaded Raman laser with a fiber grating as a cavity mirror was numerically simulated by the double-pass structure theory. Based on this, the influence of the length of the fiber, the cavity loss and the reflectivity of the output mirror on the output characteristics such as the output power, the threshold value and the slope efficiency of a two-stage phosphorus-doped all-fiber Raman laser is analyzed. Raman laser optimization design parameters.