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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 19 — Sep. 17, 2007
  • pp: 12230–12239

A high sensitive fiber SERS probe based on silver nanorod arrays

HsiaoYun Chu, Yongjun Liu, Yaowen Huang, and Yiping Zhao  »View Author Affiliations

Optics Express, Vol. 15, Issue 19, pp. 12230-12239 (2007)

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A portable fiber SERS probe has been developed based on Ag nanorod array fabricated by oblique angle deposition. The incoming laser beam was designed to focus onto the Raman substrate at 45° incident angle in order to maximize surface enhanced Raman scattering signal. With a fiber Raman system, a detection sensitivity of 10-17 moles for trans-1, 2-bis(4-pyridyl)ethane molecules has been demonstrated. This Raman probe can also be used for in situ measurement for samples in aqueous solution. Such a fiber probe has great potential as a portable and remote sensor for on-site biological or chemical detection.

© 2007 Optical Society of America

OCIS Codes
(040.1240) Detectors : Arrays
(130.3120) Integrated optics : Integrated optics devices
(130.6010) Integrated optics : Sensors
(170.5660) Medical optics and biotechnology : Raman spectroscopy

ToC Category:
Integrated Optics

Original Manuscript: July 26, 2007
Revised Manuscript: September 6, 2007
Manuscript Accepted: September 6, 2007
Published: September 11, 2007

Virtual Issues
Vol. 2, Iss. 10 Virtual Journal for Biomedical Optics

HsiaoYun V. Chu, Yongjun Liu, Yaowen Huang, and Yiping Zhao, "A high sensitive fiber SERS probe based on silver nanorod arrays," Opt. Express 15, 12230-12239 (2007)

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