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We now apply the electric and magnetic boundary conditions[1]
 |
(28) |
 |
(29) |
We let the interface be at z=0, which gives,
 |
(30) |
and
 |
(31) |
.
The wavevector is given by
 |
(32) |
.
We can therefore write the magnetic boundary condition as
 |
(33) |
rod
2015-01-07