如果束腰比较大,用标量近似,应该是可以的,参见例子:Using an equation to define the spatial field profile of a source in FDTD
要得到汇聚效果,你需要将高斯光束的全部信息,特别是位相也添加到脚本里。你试一下。
Please Login to Report Topic
Please Login to Share Feed