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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 23, Iss. 1 — Jan. 1, 1998
  • pp: 16–18

Do evanescent waves contribute to the far field?

Emil Wolf and John T. Foley  »View Author Affiliations


Optics Letters, Vol. 23, Issue 1, pp. 16-18 (1998)
http://dx.doi.org/10.1364/OL.23.000016


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Abstract

Evanescent waves have become of considerable interest in recent years because of developments in near-field optics. Claims have been made that such waves contribute to the radiation fields of sources and to the far fields of scatterers. We show, by considering a spherical scalar wave and a linear electric dipole field, that these claims are misleading and that such contributions are without physical consequences. Our conclusions apply to a much broader class of fields than those considered in this Letter.

© 1998 Optical Society of America

OCIS Codes
(350.7420) Other areas of optics : Waves

Citation
Emil Wolf and John T. Foley, "Do evanescent waves contribute to the far field?," Opt. Lett. 23, 16-18 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-1-16

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