Re: power through scattering boundary condition

Hi Pu;

Thank you for your reply. Yes you are right, I mean using scattering boundary condition as a source for exciting a grating. Using exciting ports makes some problems for doing this model as there is a reflection of the grating that comes back to the port and changes the illuminations uniformity of grating. Am I right? By using the scattering boundary condition as the source this problem would have the least effect, at least the models show it. ! So, I was wondering if you know any other way to use the ports as source and letting the reflected field back to the source be passed away through the port?

Thanks