TITLE

High-Sensitivity Refractive Index Sensor Based on D-Shaped Photonic Crystal Fiber with Rectangular Lattice and Nanoscale Gold Film

AUTHOR(S)
An, Guowen; Li, Shuguang; Qin, Wei; Zhang, Wan; Fan, Zhenkai; Bao, Yajie
PUB. DATE
December 2014
SOURCE
Plasmonics;Dec2014, Vol. 9 Issue 6, p1355
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We propose and investigate a D-shaped photonic fiber refractive index sensor with rectangular lattice based on surface plasmon resonance. In such sensor, the nanoscale gold metal film is deposited on the flat surface where it is side polished. Numerical results show that the average sensitivity of Au-metalized surface plasmon resonance (SPR) sensor could reach as high as 8,129 nm/refractive index unit (RIU) in the dynamic index range from 1.35 to 1.41 as well as 2,000 nm/RIU from 1.33 to 1.35. Compared to conventional Au-metalized SPR sensors, the performance of our device is obviously better, and the production process is greatly simplified.
ACCESSION #
99347651

 

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