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    计算激光光束M2因子的两种新方法

    Two New Calculating Methods for M2-factor of Laser Beam

      摘要
    • 摘要: 对实际激光光束M2因子的计算测量作了一些讨论,给出了两种计算测定实际激光束M2因子的新方法:由光束不同截面的光斑半径来得到M2因子;测得激光束某个截面的光强分布求出激光束的M2因子.

       

      Abstract: The calculation and measurement of laser beam M2-factor was discussed, then two new methods was proposed. One of them is to obtain M2-factor from the spot size of many cross sections; the other is from the intensity profile of one section.

       

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