WAVE EFFECTS AND ELECTROMAGNETIC FIELD DISTRIBUTION ON THE AXIS OF A DIELECTRIC TWO-AXIAL ELLIPSOID WITH LOSS

N. N. Gorobets; N. N.  Stasyuk

doi:10.1615/TelecomRadEng.v76.i19.20

Telecommunications and Radio Engineering

Editor-in-Chief: Yevgeni Koucheryavy (open in a new tab)

Associate Editors: Ammar Muthanna (open in a new tab) Edison Pignaton de Freitas (open in a new tab)

Published 12 issues per year

ISSN Print: 0040-2508

ISSN Online: 1943-6009

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WAVE EFFECTS AND ELECTROMAGNETIC FIELD DISTRIBUTION ON THE AXIS OF A DIELECTRIC TWO-AXIAL ELLIPSOID WITH LOSS

Volume 76, Issue 19, 2017, pp. 1689-1704

DOI: 10.1615/TelecomRadEng.v76.i19.20

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N. N. Gorobets
V. Karazin National University of Kharkiv, 4, Svoboda Sq., Kharkiv, 61022, Ukraine; Kharkiv National University of Radio Engineering and Electronics, 14 Nauka Ave, Kharkiv, 61166, Ukraine

N. N. Stasyuk
V. Karazin National University of Kharkiv, 4, Svoboda Sq., Kharkiv, 61022, Ukraine

ABSTRACT

The ray optics approximation is applied to solving the problem of estimating the electric and magnetic field amplitudes on the axis of a dielectric two-axial ellipsoid with loss that is illuminated by a plane linearly polarized electromagnetic wave. It is shown that the electromagnetic field in the focal range changes with an oscillating character. Positions of the local maxima depend on the electrophysical parameters and axial ratio of the ellipsoid. With a certain ratio of the two-axial ellipsoid axes, the electromagnetic wave is focused at a point inside the ellipsoid. The algorithm of calculating the field strengths at the points of electromagnetic wave focusing inside cylindrical, ball-shaped and ellipsoidal dielectric bodies can be used for explaining the effects of local heating of dielectric materials in the electromagnetic wave field.

KEY WORDS: microwaves, dielectric two-axial ellipsoid, plane wave, range of focusing

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