Journal
JOURNAL OF NANOPHOTONICS
Volume 9, Issue -, Pages -Publisher
SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
DOI: 10.1117/1.JNP.9.093050
Keywords
photonic crystal fiber; surface plasmon resonance sensor; finite element method; COMSOL Multiphysics (R); sensitivity
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Funding
- National Natural Science Foundation of China [51474069, 51374072]
- Program for New Century Excellent Talents in Heilongjiang Provincial University [1253-NCET-002]
- Research Project of Science and Technology of Heilongjiang Province [12541053, 12541096]
- City University of Hong Kong Applied Research Grant (ARG) [9667104]
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A photonic crystal fiber based on surface plasmon resonance (PCF-SPR) sensing of a silver layer is investigated. The sensor has two advantages: polarization independence and less noble metal consumption. The coupling characteristics and sensing performance of the sensor are numerically investigated by the finite-element method employing the COMSOL Multiphysics (R) software. The optical loss spectrum of the PCF-SPR sensor can be easily tuned by varying the parameters of the structure. The defined amplitude sensitivity is 4398 dB/RIU and spectral sensitivity is 4500 nm/RIU corresponding to resolution of 2.27 x 10(-6) RIU and 2.22 x 10(-5) RIU, respectively. (C) 2015 Society of Photo-Optical Instrumentation Engineers (SPIE)
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