分析了圆柱形波导气体激光器中的耦合损耗，给出了最低阶波导模EH11的耦合损耗与反射镜位置、曲率半径的函数关系。
This paper analyses the coupling wastage in columniform wave guide gas laser, and gives the function between the coupling wastage of laser guide modulo EH11 and the position and radius of reflector.
由于气体激光器常用作光源，故必须将其光束耦合到薄膜波导中去。
Because gas lasers were often used as the light source, their beam had to be coupled into the thin-film wave guides.
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