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. (C) 2008 Optical Society of America.
Local electric field enhancement and polarization effects in a surface-enhanced Raman scattering fiber sensor with chessboard nanostructure
Creators
Shuqi Chen - Optical Sciences
Lin Han - Optical Sciences (United States)
Axel Schuelzgen - Univ Arizona, Coll Opt Sci, Tucson, AZ 85721 USA
Hongbo Li - Optical Sciences
Li Li - Optical Sciences
Jerome V. Moloney - University of Arizona
N. Peyghambarian - Optical Sciences
Publication Details
Optics express, v 16(17), pp 13016-13023
Publisher
Optical Soc Amer
Number of pages
8
Grant note
0725479 / National Sciences Foundation; National Science Foundation (NSF)
state of Arizona TRIF Photonics Initiative
FA9550-07-1-0010; FA9550-04-1-0213 / Air Force Office of Scientific Research; United States Department of Defense; Air Force Office of Scientific Research (AFOSR)
Resource Type
Journal article
Language
English
Academic Unit
School of Biomedical Engineering, Science, and Health Systems
Web of Science ID
WOS:000259268700062
Scopus ID
2-s2.0-50149104006
Other Identifier
991019186959004721
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