Nov7-12, 05:12 PM
I don't know how to theoretically explain following behaviour of TE01 mode in a square ridged waveguide:
When I select width of a ridge to be considerable compared to the size of a waveguide (e.g. 1/3, 1/2) and simultaneously I am increasing the height of a ridge (parameter v in a picture) the cutoff frequency is changing according to the attached picture.
And that's a point where I get lost. I have no idea why this happens, why the cutoff frequency rises at first and then drops.
Could anyone try and explain this?
Thanks for any help !
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