Why in a metal parallel-plate waveguide does TM0 exist and TE0 does not? Or is it...

Why in a metal parallel-plate waveguide does TM0 exist and TE0 does not? Or is it the other way around?

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Expert Solution

In metal parallel-plate waveguides,the the electric field of TE_m is derived from Maxwell equation is:

E(x)= y^{^} E _o sin(mπx/d) e ^{-i beta z}

In the figure attached you see that for TE₀ case

(m=0),we have trivial answer of E=0,that is why TE starts with TE₁ .This doesn't happen with TM₀ model beacuse it behave like a cosine functions instead of sine i.e. it is not zero at m=0.

Manojponduru answered 10 months ago

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