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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 5, Iss. 11 — Nov. 1, 1988
  • pp: 2395–2398

Velocity of energy transport for a time-harmonic field in a multiple-resonance Lorentz medium

Kurt Edmund Oughstun and Shioupyn Shen  »View Author Affiliations


JOSA B, Vol. 5, Issue 11, pp. 2395-2398 (1988)
http://dx.doi.org/10.1364/JOSAB.5.002395


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Abstract

The velocity of propagation of electromagnetic energy for a monochromatic plane-wave field in a causally dispersive dielectric, medium with absorption as described by the Lorentz model, is considered within the framework of Poynting’s theorem. A general, rigorous expression for the energy-transport velocity in a Lorentz medium with multiple-resonance frequencies is derived. From this rigorous result, an approximate expression for the energy velocity is obtained that is in a form that is independent of the medium model and so is likely to be applicable to general dispersive media.

© 1988 Optical Society of America

History
Original Manuscript: May 9, 1988
Manuscript Accepted: June 26, 1988
Published: November 1, 1988

Citation
Kurt Edmund Oughstun and Shioupyn Shen, "Velocity of energy transport for a time-harmonic field in a multiple-resonance Lorentz medium," J. Opt. Soc. Am. B 5, 2395-2398 (1988)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-5-11-2395

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