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Energy in microwave cavity

Energy in microwave cavity

Energy in microwave cavity

(OP)
Hi, everyone:
I'm desining two circular cavity resonators. The size of the two cavities are different from each other, but the unloaded Q is same, i.e. a1/d1=a2/d2. The dominant mode is TM010. I'm trying to figure out the relationship of amplitude of the Electric field between each cavity. The two cavities are going to connect to same power amplifier. so I can assume the input power of each cavity is same.
My question is: is it OK if I assume the energy stored in each cavity is the same? Only so can I calculate the relationship of the coefficient of the electric field (before Bessel function)between each cavity.

Thank you,

bj

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