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Resonance problem in RF module

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I have made simple model like attached file for investigating optical response in THz range.
The result is strange at 0.4THz. Resonance phenomenon is occurred like attached file.
If I change Air size from 2250um to 2000um, the resonance phenomenon is disappeared.

Could you please tell me what is reason of the resonance?


0 Replies Last Post Oct 16, 2013, 9:32 a.m. EDT
COMSOL Moderator

Hello Akihiro Isozaki

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