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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 16 — Aug. 15, 2006
  • pp: 2480–2482

Conservation of electromagnetic momentum and radiation forces exerted on left-handed material interfaces

Spilios Riyopoulos  »View Author Affiliations

Optics Letters, Vol. 31, Issue 16, pp. 2480-2482 (2006)

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It is shown that the boundary conditions at left-handed material interfaces cause reversal in the propagation direction of the parallel-to-the-surface electromagnetic energy and momentum fluxes. First-principle examination excludes the possibility of induced surface wave excitation as a way of providing radiation momentum conservation. Thus the imparted net change in electromagnetic momentum should cause a recoil force parallel to the surface, which is unique to left-handed interfaces. The shear force exerted on a left-handed material interface is computed. The magnitude of this force is found detectable by experiments.

© 2006 Optical Society of America

OCIS Codes
(160.4760) Materials : Optical properties
(260.2110) Physical optics : Electromagnetic optics
(260.2160) Physical optics : Energy transfer

ToC Category:
Physical Optics

Original Manuscript: March 30, 2006
Revised Manuscript: April 25, 2006
Manuscript Accepted: May 19, 2006
Published: July 25, 2006

Spilios Riyopoulos, "Conservation of electromagnetic momentum and radiation forces exerted on left-handed material interfaces," Opt. Lett. 31, 2480-2482 (2006)

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