The method can confirm the Gaussian distribution of optical intensity for the fundamental transverse mode of the He-Ne laser and determine the size of its light spot.
这种方法能够证实氦氖激光基横模的光强分布是高斯分布,能够确定光斑的大小。
It is obtained by numerical calculation that the mode spot size at the mirrors in a resonator with arbitrary configuration is always a finite value as long as radial gain variations are present.
只要出现径向增益变化,通过数值计算得到任意结构的谐振腔腔镜处的光斑尺寸总是有限值。
The parameters are laser power, power density, beam spot size, welding speed, laser mode and auxiliary gas blow.
研究了激光焊缝质量与激光焊接工艺参数的关系;
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