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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Grover Swartzlander
  • Vol. 31, Iss. 8 — Aug. 1, 2014
  • pp: 1771–1776

Radiation field of a charged particle moving in right-handed and left-handed media with resonant dispersion

Sergey N. Galyamin, Aleksandra A. Grigorieva, and Andrey V. Tyukhtin  »View Author Affiliations


JOSA B, Vol. 31, Issue 8, pp. 1771-1776 (2014)
http://dx.doi.org/10.1364/JOSAB.31.001771


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Abstract

The radiation field of relativistic charged particles moving in media with resonant dispersion is analyzed using the stationary phase method. Three medium models are considered: a model typical for dielectrics, a model typical for magnetics, and a model typical for the left-handed medium. Equations determining stationary points are obtained, and the conditions for the existence of one or two stationary points are found. A simple analytical expression for stationary points in the case of ultrarelativistic motion in resonant dielectric or magnetic materials is given. In the case of an arbitrary velocity, an algorithm for solving the stationary point equation and for computing the radiation field is developed. The results of this algorithm are compared with those obtained by computation of the field using exact formulae. Typical dependences of the field on distance from the charged particle are presented. It is shown that, for the case of the left-handed medium, the radiation field is formed at larger distances behind the charge compared with the cases of typical dielectric and magnetic materials. It is found that the radiation field can possess beats that are more pronounced in the left-handed medium.

© 2014 Optical Society of America

OCIS Codes
(350.5610) Other areas of optics : Radiation
(350.3618) Other areas of optics : Left-handed materials

ToC Category:
Left-handed materials

History
Original Manuscript: February 18, 2014
Revised Manuscript: May 17, 2014
Manuscript Accepted: June 2, 2014
Published: July 4, 2014

Citation
Sergey N. Galyamin, Aleksandra A. Grigorieva, and Andrey V. Tyukhtin, "Radiation field of a charged particle moving in right-handed and left-handed media with resonant dispersion," J. Opt. Soc. Am. B 31, 1771-1776 (2014)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-31-8-1771

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