Two-photon-excited fluorescence enhanced by a surface plasmon

被引：88

作者：

Kano, H ^{[1
]}

Kawata, S ^{[1
]}

机构：

[1] OSAKA UNIV,DEPT APPL PHYS,SUITA,OSAKA 565,JAPAN

来源：

OPTICS LETTERS | 1996年 / 21卷 / 22期

关键词：

D O I：

10.1364/OL.21.001848

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate a technique that utilizes surface-plasmon resonance to intensify the fluorescence produced by multiphoton excitation. By enhancing the electric field initially generated by the excitation laser light, the presence of plasmon resonance introduces a gain 90 times higher in the experimentally observed fluorescence intensity than that produced from total internal reflection fluorescence. We also analyze the enhancement efficacy of surface-plasmon resonance as a function of the excitation wavelength. (C) 1996 Optical Society of America

引用

页码：1848 / 1850

页数：3

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