Abstract
On the basis of a solution of the Maxwell equations the configuration of electromagnetic fields of symmetric types of oscillations in a dielectric coaxial line is found. The expressions for power density for both symmetric and hybrid waves are obtained. The direction of power density coincides with the axis of various axial symmetric dielectric structures. The dependences of phase speeds of electric and magnetic waves on frequencies of radiation are presented. The frequency range in which only the lowest index symmetric waves propagate is found. At frequencies higher than critical, discrete symmetric modes of oscillation exist. The energy is transmitted mainly inside the dielectric rod, and the power density at the axis is equal to zero.
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Translated from a manuscript of the P. N. Lebedev Physical Institute, Russian Academy of Sciences.
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Pyatakhin, M.V. Symmetric electromagnetic waves in a dielectric coaxial line. J Russ Laser Res 16, 309–324 (1995). https://doi.org/10.1007/BF02581071
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DOI: https://doi.org/10.1007/BF02581071