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Proceedings Paper

Fluorescence enhancement by surface gratings
Author(s): Yu-Ju Hung; Igor I. Smolyaninov; Hsuan-Chen Wu; Christopher C. Davis
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Paper Abstract

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.

Paper Details

Date Published: 30 August 2006
PDF: 9 pages
Proc. SPIE 6323, Plasmonics: Metallic Nanostructures and their Optical Properties IV, 63230N (30 August 2006); doi: 10.1117/12.682182
Show Author Affiliations
Yu-Ju Hung, Univ. of Maryland, College Park (United States)
Igor I. Smolyaninov, Univ. of Maryland, College Park (United States)
Hsuan-Chen Wu, Univ. of Maryland, College Park (United States)
Christopher C. Davis, Univ. of Maryland, College Park (United States)


Published in SPIE Proceedings Vol. 6323:
Plasmonics: Metallic Nanostructures and their Optical Properties IV
Mark I. Stockman, Editor(s)

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