我从这里下载一个MATLAB文件来计算激光的模式，拉盖尔-高斯模式，但它不能正常工作。所以我说我自己的函数。这是很简单的功能，我希望它是有效的以及。我用它和后结果我得到了。-i download one matlab file from here to calculate the modes in laser, Laguerre-Gauss modes but it was not working properly. So i wrote my own function. It is prett