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

Xinwei Lan; Yukun Han; Tao Wei; Yinan Zhang; Lan Jiang; Hai Lung Tsai; Hai Xiao

doi:10.1364/OL.34.002285

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

Xinwei Lan, Yukun Han, Tao Wei, Yinan Zhang, Lan Jiang, Hai Lung Tsai, Hai Xiao^*

^*Corresponding author for this work

School of Mechanical Engineering

University of Missouri-Rolla

Research output: Contribution to journal › Article › peer-review

58 Citations (Scopus)

Abstract

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 μm 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.

Original language	English
Pages (from-to)	2285-2287
Number of pages	3
Journal	Optics Letters
Volume	34
Issue number	15
DOIs	https://doi.org/10.1364/OL.34.002285
Publication status	Published - 1 Aug 2009

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abstract = "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 μm 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.",

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AU - Lan, Xinwei

AU - Han, Yukun

AU - Wei, Tao

AU - Zhang, Yinan

AU - Jiang, Lan

AU - Tsai, Hai Lung

AU - Xiao, Hai

PY - 2009/8/1

Y1 - 2009/8/1

N2 - 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 μm 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.

AB - 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 μm 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.

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

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