Surface-enhanced Raman-scattering fiber probe fabricated by femtosecond laser

被引：48

作者：

Lan, Xinwei ^{[1
]}

Han, Yukun ^{[2
]}

Wei, Tao ^{[1
]}

Zhang, Yinan ^{[1
]}

Jiang, Lan ^{[3
]}

Tsai, Hai-Lung ^{[2
]}

Xiao, Hai ^{[1
]}

机构：

[1] Missouri Univ Sci & Technol, Dept Elect & Comp Engn, Rolla, MO 65409 USA

[2] Missouri Univ Sci & Technol, Dept Mech & Aerosp Engn, Rolla, MO 65409 USA

[3] Beijing Inst Technol, Dept Mech & Automat Engn, Beijing 100081, Peoples R China

来源：

OPTICS LETTERS | 2009年 / 34卷 / 15期

基金：

中国国家自然科学基金;

关键词：

SPECTROSCOPY; SENSORS;

D O I：

10.1364/OL.34.002285

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report what we believe to be a new method to fabricate surface enhanced Raman scattering (SERS) fiber probe by direct femtosecond laser micromachining. Direct femtosecond laser ablations resulted in nanostructures on the cleaved endface of a multimode optical fiber with a 105/125 mu m core/cladding diameter. The laser-ablated fiber endface was SERS activated by silver chemical plating. High-quality SERS signal was detected using Rhodamine 6G molecules (10(-8)-10(-6) M solutions) via back excitation with the fiber length of up to 1 m. The fiber SERS probe was compared with a planar fused silica substrate at a front excitation. The long lead-in fiber length and the backexcitation/collection setup make the SERS probe promising for remote sensing applications. (C) 2009 Optical Society of America

引用

页码：2285 / 2287

页数：3

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