Fluorescence enhancement by surface gratings

被引：73

作者：

Hung, Yu-Ju ^{[1
]}

Smolyaninov, Igor I.

Davis, Christopher C.

Wu, Hsuan-Chen

机构：

[1] Univ Maryland, Dept Elect & Comp Engn, College Pk, MD 20742 USA

[2] Univ Maryland, Dept Bioengn, College Pk, MD 20740 USA

来源：

OPTICS EXPRESS | 2006年 / 14卷 / 22期

关键词：

D O I：

10.1364/OE.14.010825

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

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. (c) 2006 Optical Society of America.

引用

页码：10825 / 10830

页数：6

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