本程序是使用有限时域差分法计算模拟电磁波在光学薄膜中的传输，增加了高斯光源等光源形式。增加边界条件。运用matlab显示结果-This procedure is the use of FDTD method simulation of electromagnetic waves in optical thin films in transmission, an increase of Gaussian light sources, such as the form of light source