cst excitation

Hello everyone,

I am trying to simulate an SRR unit cell in cst but I have some certain problems. can anyone help?

1) what boundary conditions I may use?

2) how I can simulate SRR's excitation? It is excited through an incident TE-pol wave. I don't know how to create the wave-guide port. Do I have to design a waveguide and put the srr in it? Which mode do I have to excite then?

Regards,

Dimitra

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