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Optics Express

Optics Express

  • Editor: J. H. Eberly
  • Vol. 9, Iss. 10 — Nov. 5, 2001
  • pp: 519–532

Energy transport in linear dielectrics

M. Ware, S. A. Glasgow, and J. Peatross  »View Author Affiliations

Optics Express, Vol. 9, Issue 10, pp. 519-532 (2001)

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We examine the energy exchanged between an electromagnetic pulse and a linear dielectric medium in which it propagates. While group velocity indicates the presence of field energy (the locus of which can move with arbitrary speed), the velocity of energy transport maintains strict luminality. This indicates that the medium treats the leading and trailing portions of the pulse differently. The principle of causality requires the medium to respond to the instantaneous spectrum, the spectrum of the pulse truncated at each new instant as a given locale in the medium experiences the pulse.

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OCIS Codes
(260.2030) Physical optics : Dispersion
(260.2110) Physical optics : Electromagnetic optics
(260.2160) Physical optics : Energy transfer
(350.5500) Other areas of optics : Propagation

ToC Category:
Research Papers

Original Manuscript: September 19, 2001
Published: November 5, 2001

Michael Ware, S. Glasgow, and Justin Peatross, "Energy transport in linear dielectrics," Opt. Express 9, 519-532 (2001)

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