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Opt Lett. 2007 Mar 1;32(5):445-7.

Enhancement of spatial coherence by surface plasmons.

Author information

1
Huygens Laboratory, Leiden University, P.O. Box 9504, 2300 RA Leiden, The Netherlands.

Abstract

We report on a method to generate a stationary interference pattern from two independent optical sources, each illuminating a single slit in Young's interference experiment. The pattern arises as a result of the action of surface plasmons traveling between subwavelength slits milled in a metal film. The visibility of the interference pattern can be manipulated by tuning the wavelength of one of the optical sources.

PMID:
17392882
DOI:
10.1364/ol.32.000445

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