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.
通过数值模拟弯曲损耗随弯曲半径的变化关系，证实了两种光子晶体光纤均具有弯曲损耗振荡特性。
The bending loss oscillations in the two kinds of PCFs are observed by simulating the relationship between the bending loss and bending radius, and the origin of the loss oscillations was analyzed.
为了验证该方法的准确性，将计算得到的弯曲损耗结果与以往的实验结果相比较，结果表明，在弯曲半径较大的情况下两者基本吻合。
Numerical results are compared with the experiment before in order to testify the accuracy of the method. They agree well with each other, especially for large bending radii.
实验测量了多模光纤激光器在不同缠绕半径下的输出性能，并理论计算了各阶模式在不同缠绕半径下的损耗特性。
During the experiment, as the coil radius of multimode fiber changes, output characteristic of the laser has been measured. Meanwhile, the mode loss of different modes is calculated theoretically.
实验测量了多模光纤激光器在不同缠绕半径下的输出性能，并理论计算了各阶模式在不同缠绕半径下的损耗特性。
During the experiment, as the coil radius of multimode fiber changes, output characteristic of the laser has been measured. Meanwhile, the mode loss of different modes is calculated theoretically.
应用推荐