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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Editor: Franco Gori
  • Vol. 29, Iss. 3 — Mar. 1, 2012
  • pp: 195–199

Effect of surface plasmons on spectral switching of polychromatic light with Au-double-slit

Manish Verma, Stuti Joshi, Nandan S. Bisht, H. C. Kandpal, P. Senthilkumaran, and Joby Joseph  »View Author Affiliations

JOSA A, Vol. 29, Issue 3, pp. 195-199 (2012)

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It is shown that the generation of surface plasmons on a metal-dielectric interface, i.e., a Au-double-slit and air interface, appreciably affects the intensity of the diffracted light. With a specific example of Au-double-slit and electro-optic devices before the slits, the spectral switching in the diffracted field with the polychromatic light is shown for the first time, to our knowledge. It is found that at the observation point due to the surface plasmon effect the intensity of the diffracted light periodically increases and decreases with the separation of the double-slit.

© 2012 Optical Society of America

OCIS Codes
(060.4510) Fiber optics and optical communications : Optical communications
(200.3050) Optics in computing : Information processing
(240.6680) Optics at surfaces : Surface plasmons
(300.6170) Spectroscopy : Spectra
(200.2605) Optics in computing : Free-space optical communication
(260.6042) Physical optics : Singular optics

ToC Category:
Optics at Surfaces

Original Manuscript: September 19, 2011
Manuscript Accepted: October 30, 2011
Published: February 8, 2012

Manish Verma, Stuti Joshi, Nandan S. Bisht, H. C. Kandpal, P. Senthilkumaran, and Joby Joseph, "Effect of surface plasmons on spectral switching of polychromatic light with Au-double-slit," J. Opt. Soc. Am. A 29, 195-199 (2012)

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