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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 35, Iss. 17 — Sep. 1, 2010
  • pp: 2937–2939

Surface-enhanced Raman scattering microchip fabricated by femtosecond laser

Cheng-Hsiang Lin, Lan Jiang, Hai Xiao, Shean-Jen Chen, and Hai-Lung Tsai  »View Author Affiliations

Optics Letters, Vol. 35, Issue 17, pp. 2937-2939 (2010)

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We report a surface-enhanced Raman scattering (SERS) microchip that is capable of measuring SERS signals of liquid samples with high sensitivity. The microdevice is an integration of a silicon-based SERS substrate, a multimode optical fiber (MMF), and a microchannel embedded in the photosensitive glass fabricated by the femtosecond laser followed by thermal treatment, wet etching, and annealing. The performance of the SERS microchip is evaluated by measuring rhodamine 6G using a 632.8 nm He–Ne laser at 4.3 mW excitation power, which reveals that the detection limit is lower than 10 10 M at a 1 s short accumulation time.

© 2010 Optical Society of America

OCIS Codes
(140.7090) Lasers and laser optics : Ultrafast lasers
(230.3990) Optical devices : Micro-optical devices
(240.6695) Optics at surfaces : Surface-enhanced Raman scattering

ToC Category:
Optical Devices

Original Manuscript: June 4, 2010
Revised Manuscript: July 31, 2010
Manuscript Accepted: August 6, 2010
Published: August 25, 2010

Virtual Issues
Vol. 5, Iss. 13 Virtual Journal for Biomedical Optics

Cheng-Hsiang Lin, Lan Jiang, Hai Xiao, Shean-Jen Chen, and Hai-Lung Tsai, "Surface-enhanced Raman scattering microchip fabricated by femtosecond laser," Opt. Lett. 35, 2937-2939 (2010)

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