Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/24397
Title: Index-guiding liquid-core photonic crystal fiber for solution measurement using normal and surface-enhanced Raman scattering
Authors: Han, Y
Oo, MKK
Zhu, Y
Xiao, L
Demohan, MS
Jin, W 
Du, H
Keywords: Detection
Hollow-core photonic crystal fiber
Index-guiding liquid-core photonic crystal fiber
Raman scattering
Sensing
Surface-enhanced Raman scattering
Issue Date: 2008
Publisher: SPIE-International Society for Optical Engineering
Source: Optical engineering, 2008, v. 47, no. 4, 40502 How to cite?
Journal: Optical engineering 
Abstract: We have explored the use of index-guiding liquid-core (LC) photonic crystal fiber (PCF) as a robust platform for measurements of solutions of trace volume using normal and surface-enhanced Raman scattering (SERS). The LC PCF was fabricated by selectively sealing the cladding air channels at the distal ends of a hollow-core PCF while leaving the center core open, using a fusion splicer. Utilizing a 30-cm-long LC PCF with the entire center core filled with the ?0.1-?gL solution of interest, we have obtained normal Raman spectra of water, ethanol, and 1vol% ethanol in water. Sensitive and reproducible SERS detection of 1.7??10 -7M thiocyanate anions (?14ppb of NaSCN) in water has also been achieved.
URI: http://hdl.handle.net/10397/24397
ISSN: 0091-3286
EISSN: 1560-2303
DOI: 10.1117/1.2902463
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