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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 7 — Apr. 1, 2009
  • pp: 1057–1059

Superfocusing by nanoshells

Igor Tsukerman  »View Author Affiliations


Optics Letters, Vol. 34, Issue 7, pp. 1057-1059 (2009)
http://dx.doi.org/10.1364/OL.34.001057


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Abstract

Recently researchers demonstrated, both theoretically and in the microwave range experimentally, subwavelength focusing of evanescent waves by patterned plates. The present Letter extends these ideas and the design procedure to scatterers of arbitrary shapes and to the optical range of wavelengths. The analytical study is supported by numerical results. The most intriguing feature of the proposed design is that, in the framework of classical electrodynamics of continuous media, focusing can in principle be arbitrarily sharp, subject to the constraints of fabrication.

© 2009 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(240.6680) Optics at surfaces : Surface plasmons
(160.4236) Materials : Nanomaterials
(350.4238) Other areas of optics : Nanophotonics and photonic crystals
(250.5403) Optoelectronics : Plasmonics
(310.6628) Thin films : Subwavelength structures, nanostructures

ToC Category:
Diffraction and Gratings

History
Original Manuscript: November 14, 2008
Revised Manuscript: February 10, 2009
Manuscript Accepted: February 13, 2009
Published: March 25, 2009

Citation
Igor Tsukerman, "Superfocusing by nanoshells," Opt. Lett. 34, 1057-1059 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-7-1057

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