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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 22 — Oct. 30, 2006
  • pp: 10825–10830

Fluorescence enhancement by surface gratings

Yu-Ju Hung, Igor I. Smolyaninov, Christopher C. Davis, and Hsuan-Chen Wu  »View Author Affiliations

Optics Express, Vol. 14, Issue 22, pp. 10825-10830 (2006)

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Fluorescence from a layer of Rhodamine 6G (R6G) is observed to be enhanced strongly if a dielectric grating deposited onto a gold film is used as a substrate. The fluorescence enhancement has been studied as a function of the grating periodicity and the angle of incidence of the excitation light. The enhancement mechanism is consistent with excitation of surface-plasmon-polaritons on the metal film surface. The observed phenomenon may be promising in sensing applications.

© 2006 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(300.2530) Spectroscopy : Fluorescence, laser-induced

ToC Category:
Optics at Surfaces

Original Manuscript: August 7, 2006
Revised Manuscript: September 20, 2006
Manuscript Accepted: October 8, 2006
Published: October 30, 2006

Virtual Issues
Vol. 1, Iss. 11 Virtual Journal for Biomedical Optics

Yu-Ju Hung, Igor I. Smolyaninov, Christopher C. Davis, and Hsuan-Chen Wu, "Fluorescence enhancement by surface gratings," Opt. Express 14, 10825-10830 (2006)

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