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Updated: Jul 2, 2026
Surface Enhanced Raman Spectroscopy Detection of Biomolecules Using EBL Fabricated Nanostructured Substrates
Published on: March 20, 2015
Local electric field enhancement and polarization effects in a surface-enhanced Raman scattering fiber sensor with
Shuqi Chen1, Lin Han, Axel Schülzgen
1College of Optical Sciences, The University of Arizona, Tucson, Arizona 85721, USA. schen@optics.arizona.edu
Abstract:
A surface-enhanced Raman scattering fiber sensor with chessboard nanostructure on a cleaved fiber facet is studied by finite-difference time-domain method. Surface plasmons at the metal coated nanostructured fiber facet can be effectively excited and strong local electric field enhancement is obtained. Studies on the influence of light polarization demonstrate a large polarization dependence of the field enhancement factor while the polarization effects on the plasmon resonance wavelength are relatively small.
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