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2 votes
1 answer
197 views

Why do dielectric waveguides support hybrid modes and metallic waveguides do not?

Can anyone explain to me qualitatively why dielectric waveguides (core and infinite cladding) support hybrid modes (E_z and H_z components in the guided wave), while metallic waveguides cannot? I am ...
Minas Michael Opethian's user avatar
1 vote
1 answer
129 views

The field in a waveguide at exactly the cut-off frequency

Can anyone explain to me qualitatively, what kind of field exists inside a waveguide at EXACTLY the cut-off frequency? I would be grateful if an explanation was given about waveguides with metalic ...
Minas Michael Opethian's user avatar
0 votes
1 answer
517 views

Why is Kapton film used to hold liquid in waveguide?

I am working on a project similar to the one described in this paper MEASUREMENT OF COMPLEX PERMITTIVITY OF LIQUIDS. Here a Kapton film is used to hold liquids, so that they don't spill. Why is this ...
Akshay Ajagekar's user avatar