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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 5 — Mar. 2, 2009
  • pp: 3078–3083

High efficient optical focusing of a zone plate composed of metal/dielectric multilayer

Hyun Chul Kim, Hyungduk Ko, and Mosong Cheng  »View Author Affiliations


Optics Express, Vol. 17, Issue 5, pp. 3078-3083 (2009)
http://dx.doi.org/10.1364/OE.17.003078


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Abstract

We numerically investigate the optical field enhancement by a metal/dielectric multilayered zone plate. The optical field enhancement at the focal point of a zone plate originates not only from surface plasmon polaritons (SPPs)-assisted diffraction process along the propagation direction of incident light, but also from multiple scattering and coupling of surface plasmons (SPs) along the metal/dielectric multilayer films. By comparing multilayered zone plates to a conventional monolayered zone plate, we present the effects associated with the number of building blocks and different dielectric materials in the building block on the efficiency of the transmission.

© 2009 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(240.6690) Optics at surfaces : Surface waves
(050.1965) Diffraction and gratings : Diffractive lenses
(250.5403) Optoelectronics : Plasmonics

ToC Category:
Optics at Surfaces

History
Original Manuscript: December 9, 2008
Revised Manuscript: January 31, 2009
Manuscript Accepted: February 4, 2009
Published: February 17, 2009

Citation
Hyun Chul Kim, Hyungduk Ko, and Mosong Cheng, "High efficient optical focusing of a zone plate composed of metal/dielectric multilayer," Opt. Express 17, 3078-3083 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-5-3078


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References

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