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Proceedings Paper

Localized surface plasmon resonance refractometer based on no-core fiber
Author(s): Yan Ru Wang; Zhi Qiang Tou; Chun Liu Zhao; Ping Lam So; Chi Chiu Chan
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Paper Abstract

A novel optical fiber refractometer based on localized surface plasmon resonance (LSPR) is presented. The sensor was prepared by splicing a short segment of no-core fiber (NCF) between two multimode fibers. A gold nanoparticles (AuNPs) film was self- assembled on the sidewall of the NCF. When LSPR peak wavelength is used to investigate the refractive index (RI), sensitivity of 121.88 nm/RIU (R2 = 0.9107), 523.14 nm/RIU (R2 = 0.983) with limit of detection 1.64× 10-3 RIU, 3.82× 10−4 RIU over the RI range of 1.33-1.37 and 1.37-1.42, respectively. When normalized transmittance is used to investigate the performance of the sensor, sensitivity of -279 %/RIU (R2 = 0.9922) with limit of detection 4.61 × 10-5 RIU over the RI range of 1.33 -1.42.

Paper Details

Date Published: 23 April 2017
PDF: 4 pages
Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103232R (23 April 2017); doi: 10.1117/12.2263473
Show Author Affiliations
Yan Ru Wang, China Jiliang Univ. (China)
Nanyang Technological Univ. (Singapore)
Zhi Qiang Tou, Nanyang Technological Univ. (Singapore)
Chun Liu Zhao, China Jiliang Univ. (China)
Ping Lam So, Nanyang Technological Univ. (Singapore)
Chi Chiu Chan, Nanyang Technological Univ. (Singapore)

Published in SPIE Proceedings Vol. 10323:
25th International Conference on Optical Fiber Sensors
Youngjoo Chung; Wei Jin; Byoungho Lee; John Canning; Kentaro Nakamura; Libo Yuan, Editor(s)

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