Spatial distribution of outward and inner wave amplitudes in limited
length multilayer structure with periodic nonuniformity. Part 3.
Electromagnetic wave in magnetic medium
I. V. Antonets 1, V. G. Shavrov
2, V. I. Shcheglov 2
1 Syktyvkar State University, Syktyvkar, Russia
2 Kotel’nikov Institute of Radio Engineering and Electronics, Moscow, Russia
The paper is received on February 10, 2015
Abstract. Electromagnetic waves of
forward and backward directions propagating in the multi-layer structure with
periodical nonuniformity having magnetodielectric barriers are investigated by
the method of successive steps. It is shown that in this structure the
propagation of two independent waves – gyromagnetic and gyroelectric types – is
possible. The reflection and propagation of gyromagnetic wave incident upon the
plane boundary between two magnetic media is investigated. The reflected and
propagated waves amplitudes, described through the media admittances, are found.
The “parameter of discrepancy” consisted of permeability tensor components combination
is introduced into consideration. It is shown that in the case when the parameter
of discrepancy is negative the gyromagnetic wave propagation is impossible. The
balance of energy flow for waves propagating on the structure as a whole is investigated.
In large frequency range the frequency dependence of both wave directions is
investigated. The appearance of the broad line depending on magnetic properties
of medium is found in propagation spectrum.
Key words: wave propagation,
multi-layer structure, periodical nonuniformity, frequency spectrum, magnetodielectric
medium.
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