Surface plasmon resonance sensor based on U-shaped photonic quasi-crystal fiber

Qiang LIU; Yu JIANG; Yudan SUN; Chunjie HU; Jiudi SUN; Chao LIU; Jingwei LV; Jin ZHAO; Zao YI; Paul K. CHU

doi:10.1364/AO.419518

Surface plasmon resonance sensor based on U-shaped photonic quasi-crystal fiber

Qiang LIU, Yu JIANG, Yudan SUN, Chunjie HU, Jiudi SUN, Chao LIU^*, Jingwei LV, Jin ZHAO, Zao YI, Paul K. CHU

^*Corresponding author for this work

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

38 Citations (Scopus)

Abstract

A high-sensitivity surface plasmon resonance (SPR) sensor is designed and analyzed numerically. The sensor is constructed on the eightfold U-shaped photonic quasi-crystal fiber (PQF) and coated with indium tin oxide (ITO). The coupling between the core mode and surface plasmon polariton mode is enhanced due to shortening of the distance between the core and the ITO layer, so that the PQF-SPR sensor exhibits high refractive index (RI) sensitivity in the near-infrared region. The maximum wavelength sensitivity and the corresponding resolution of this sensor are 42,000 nm/RIU and 2.38 x 10^-6 RIU, respectively. The average wavelength sensitivity is 12,750 nm/RIU in the refractive index range of 1.306-1.386. This advanced sensor is suitable for the determination of RIs in the near-infrared region. (C) 2021 Optical Society of America

Original language	English
Pages (from-to)	1761-1766
Journal	Applied Optics
Volume	60
Issue number	6
Online published	18 Feb 2021
DOIs	https://doi.org/10.1364/AO.419518
Publication status	Published - 20 Feb 2021

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title = "Surface plasmon resonance sensor based on U-shaped photonic quasi-crystal fiber",

abstract = "A high-sensitivity surface plasmon resonance (SPR) sensor is designed and analyzed numerically. The sensor is constructed on the eightfold U-shaped photonic quasi-crystal fiber (PQF) and coated with indium tin oxide (ITO). The coupling between the core mode and surface plasmon polariton mode is enhanced due to shortening of the distance between the core and the ITO layer, so that the PQF-SPR sensor exhibits high refractive index (RI) sensitivity in the near-infrared region. The maximum wavelength sensitivity and the corresponding resolution of this sensor are 42,000 nm/RIU and 2.38 x 10-6 RIU, respectively. The average wavelength sensitivity is 12,750 nm/RIU in the refractive index range of 1.306-1.386. This advanced sensor is suitable for the determination of RIs in the near-infrared region. (C) 2021 Optical Society of America",

author = "Qiang LIU and Yu JIANG and Yudan SUN and Chunjie HU and Jiudi SUN and Chao LIU and Jingwei LV and Jin ZHAO and Zao YI and CHU, {Paul K.}",

year = "2021",

month = feb,

day = "20",

doi = "10.1364/AO.419518",

language = "English",

volume = "60",

pages = "1761--1766",

journal = "Applied Optics",

issn = "1559-128X",

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TY - JOUR

T1 - Surface plasmon resonance sensor based on U-shaped photonic quasi-crystal fiber

AU - LIU, Qiang

AU - JIANG, Yu

AU - SUN, Yudan

AU - HU, Chunjie

AU - SUN, Jiudi

AU - LIU, Chao

AU - LV, Jingwei

AU - ZHAO, Jin

AU - YI, Zao

AU - CHU, Paul K.

PY - 2021/2/20

Y1 - 2021/2/20

N2 - A high-sensitivity surface plasmon resonance (SPR) sensor is designed and analyzed numerically. The sensor is constructed on the eightfold U-shaped photonic quasi-crystal fiber (PQF) and coated with indium tin oxide (ITO). The coupling between the core mode and surface plasmon polariton mode is enhanced due to shortening of the distance between the core and the ITO layer, so that the PQF-SPR sensor exhibits high refractive index (RI) sensitivity in the near-infrared region. The maximum wavelength sensitivity and the corresponding resolution of this sensor are 42,000 nm/RIU and 2.38 x 10-6 RIU, respectively. The average wavelength sensitivity is 12,750 nm/RIU in the refractive index range of 1.306-1.386. This advanced sensor is suitable for the determination of RIs in the near-infrared region. (C) 2021 Optical Society of America

AB - A high-sensitivity surface plasmon resonance (SPR) sensor is designed and analyzed numerically. The sensor is constructed on the eightfold U-shaped photonic quasi-crystal fiber (PQF) and coated with indium tin oxide (ITO). The coupling between the core mode and surface plasmon polariton mode is enhanced due to shortening of the distance between the core and the ITO layer, so that the PQF-SPR sensor exhibits high refractive index (RI) sensitivity in the near-infrared region. The maximum wavelength sensitivity and the corresponding resolution of this sensor are 42,000 nm/RIU and 2.38 x 10-6 RIU, respectively. The average wavelength sensitivity is 12,750 nm/RIU in the refractive index range of 1.306-1.386. This advanced sensor is suitable for the determination of RIs in the near-infrared region. (C) 2021 Optical Society of America

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U2 - 10.1364/AO.419518

DO - 10.1364/AO.419518

M3 - RGC 21 - Publication in refereed journal

C2 - 33690515

SN - 1559-128X

VL - 60

SP - 1761

EP - 1766

JO - Applied Optics

JF - Applied Optics

IS - 6

ER -

Surface plasmon resonance sensor based on U-shaped photonic quasi-crystal fiber

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Surface plasmon resonance sensor based on U-shaped photonic quasi-crystal fiber

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