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dielectric (slab waveguide) cst excitation

thread239-438428

dielectric (slab waveguide) cst excitation

dielectric (slab waveguide) cst excitation

(OP)
Hi, i hope that somebody can help me. I am new to CST and still having hart time figuring out how to excite my structures. My task is to simulate dielectric wave guide and plot evanescent fields in the air. I try using waveguide port but cant get the appropriate cutoff frequencies, even worse, fields in the air seem be occupying all the air.

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