It is shown that the nonlinearity and inhomogeneity of the medium, laser power and input beam parameter affect their propagation properties.
结果表明，介质的非线性性和非均匀性、激光功率及入射光束参数影响其传输特性。
In laser control and guide system, diverging Angle of laser beam is an important parameter.
激光末端制导武器系统中，激光照射指示器出射激光的束散角是一个重要的参数。
The key points are the influences of M2 parameter to the beam behavior and Kf parameter to welding quality in laser deep penetration welding.
其中重点讨论了M2参数对焊接中光束行为的影响以及光束聚焦特征参数对深熔焊接工艺参数和焊缝质量的影响。
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