研究表明：反射镜的位置和半径存在着最佳值，在取得最佳值时，可得到最低的耦合损耗。
The study shows that the lowest coupling wastage can be obtained with the best position and radius of the reflector.
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.
利用光线理论研究光纤弯曲损耗与弯曲半径、纤芯折射中以及包层折射率的关系。
By the theory of ray optics, the bend losses of fiber as function of fiber parameters such as core index, cladding index, core radius and bend radius are set up.
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