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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 4 — Feb. 15, 2010
  • pp: 466–468

Structure fits the purpose: photonic crystal fibers for evanescent-field surface-enhanced Raman spectroscopy

Maung Kyaw Khaing Oo, Yun Han, Jiri Kanka, Svetlana Sukhishvili, and Henry Du  »View Author Affiliations


Optics Letters, Vol. 35, Issue 4, pp. 466-468 (2010)
http://dx.doi.org/10.1364/OL.35.000466


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Abstract

We report numerical simulation and hyperspectral Raman imaging of three index-guiding solid-core photonic crystal fibers (PCFs) of different air-cladding microstructures to assess their respective potential for evanescent-field Raman spectroscopy, with an emphasis on achieving surface-enhanced Raman scattering (SERS) over the entire fiber length. Suspended-core PCF consisting of a silica core surrounded by three large air channels conjoined by a thin silica web is the most robust of the three SERS-active PCFs, with a demonstrated detection sensitivity of 1 × 10 10 M R6G in an aqueous solution of only 7.3 μ L sampling volume.

© 2010 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(300.6450) Spectroscopy : Spectroscopy, Raman
(290.2558) Scattering : Forward scattering
(160.4236) Materials : Nanomaterials
(060.5295) Fiber optics and optical communications : Photonic crystal fibers
(240.6695) Optics at surfaces : Surface-enhanced Raman scattering

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: November 5, 2009
Revised Manuscript: January 7, 2010
Manuscript Accepted: January 8, 2010
Published: February 4, 2010

Citation
Maung Kyaw Khaing Oo, Yun Han, Jiri Kanka, Svetlana Sukhishvili, and Henry Du, "Structure fits the purpose: photonic crystal fibers for evanescent-field surface-enhanced Raman spectroscopy," Opt. Lett. 35, 466-468 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-4-466

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