Many parameters are required to describe their performance, which is transmission ratio, extinctivity ratio, angle of view field, splitting angle, etc.
激
偏
技术参数较多，透射比、消比、视场角、分束角、长度孔径比
。
率;熄灭率Many parameters are required to describe their performance, which is transmission ratio, extinctivity ratio, angle of view field, splitting angle, etc.
激偏技术参数较多，透射比、消比、视场角、分束角、长度孔径比。
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