方形镜对称共焦腔激光模式的数值模拟研究

Numerical Simulation Research on Laser Mode of Square Mirror Symmetrical Confocal Cavity

根据方形镜对称共焦球面镜腔自再现模的表达形式,本文运用数值计算方法,计算了不同阶次的自再现模的振幅分布和强度分布。研究表明,计算结果清晰明了,展示了自再现模振幅和强度的空间分布;图样直观、形象,有助于分析激光振荡模式的场振幅分布和强度分布的特征。

According to the expression form of the self-reproducing mode of the symmetrical confocal spherical mirror cavity of the square mirror,this paper uses the numerical calculation method to calculate the amplitude distribution and intensity distribution of the free present mode of different orders.And the calculation results clearly shows the spatial distribution of the amplitude and intensity of the self-reproducing mode;the pattern is intuitive and vivid,which is helpful for analyzing the characteristics of the field amplitude distribution and intensity distribution of the laser oscillation mode.