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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 4, Iss. 10 — Oct. 2, 2009

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

Xinwei Lan, Yukun Han, Tao Wei, Yinan Zhang, Lan Jiang, Hai-Lung Tsai, and Hai Xiao  »View Author Affiliations


Optics Letters, Vol. 34, Issue 15, pp. 2285-2287 (2009)
http://dx.doi.org/10.1364/OL.34.002285


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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 μ 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.

© 2009 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(220.4000) Optical design and fabrication : Microstructure fabrication
(300.6450) Spectroscopy : Spectroscopy, Raman

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: May 5, 2009
Revised Manuscript: June 15, 2009
Manuscript Accepted: June 18, 2009
Published: July 21, 2009

Virtual Issues
Vol. 4, Iss. 10 Virtual Journal for Biomedical Optics

Citation
Xinwei Lan, Yukun Han, Tao Wei, Yinan Zhang, Lan Jiang, Hai-Lung Tsai, and Hai Xiao, "Surface-enhanced Raman-scattering fiber probe fabricated by femtosecond laser," Opt. Lett. 34, 2285-2287 (2009)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-34-15-2285

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