本文提出并建立了双反射膜双频激光器物理模型，该模型不仅考虑了激光腔镜的双反射膜作用、横向磁场的作用，同时还考虑了激光腔内模式耦合问题。
A physical model in consideration of not only the effect of bireflectance film and transverse magnetic field but also the mode coupling in the laser cavity is set up.
在复制法激光打孔中，激光束的横向模式决定着加工孔的形状和尺寸精度。
In the process of duplicate laser boring, the crosswise pattern of laser beam determines the precision of the processing hole's shape and size.
在复制法激光打孔中 ，激光束的横向模式决定着加工孔的形状和尺寸精度。
Optimum selection of precision laser drilling with laser beam characteristics as well as optical and working parameter;
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