[求助]What software can proceed 3D grating diffraction ?

victorrose

<P>For example, how to simulate diffraction in campact disk(CD) ?</P>

hx0999

FDTD method, a software named XFDTD perhaps.

leasen

<P>在zemax中,你可以将面形设置为Diff.Grat.,然后利用3个config 来实现三束光束分离,你是在做pickup head 吗?我以前做过,欢迎交流.my e-mail :wang_zh_ni@163.com</P>