Question: A waveguide Ras a square cross section of side 2a. For the TM modes of wave vector K, the transverse em modes are obtained
A waveguide Ras a square cross section of side 2a. For the TM modes of wave vector K, the transverse em modes are obtained in terms of a function 4(x,y) which obeys the equation: ( + y + (10-1]] 4(x,y) = 0 with the boundary condition & (a, y) = 4(x, t0) = 0 the frequency w of the lowest mode is : as we = (k + 4x / Q9) by (+/a) c) w=(K+x) d) = (1^ + x^/0)
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