D-shaped photonic crystal fiber plasmonic refractive index sensor based on gold grating

Junjie Lu; Yan Li; Yanhua Han; Yi Liu; Jianmin Gao

doi:10.1364/AO.57.005268

D-shaped photonic crystal fiber plasmonic refractive index sensor based on gold grating

Junjie Lu
, Yan Li^*
, Yanhua Han
, Yi Liu
, Jianmin Gao

^*Corresponding author for this work

Harbin Institute of Technology Weihai
School of Energy Science and Engineering, Harbin Institute of Technology

Research output: Contribution to journal › Article › peer-review

183 Scopus citations

Abstract

In this work, we proposed a high-resolution D-shaped photonic crystal fiber (PCF) surface plasmon resonance (SPR) sensor based on gold grating. Gold grating is introduced to modulate the resonance wavelength and enhance the refractive index (RI) sensitivity. Structure parameters of PCF and gold grating are analyzed by the finite element method for optimizing the SPR sensor. The simulation results indicate that air hole pitch, air hole diameter, and gold thickness and grating constant have little influence on the sensitivity of the refractive index, which reduces the requirement of precise processing. For improving the resolution of RI sensing, a two-feature (2F) interrogation method, which combines wavelength interrogation and amplitude interrogation, is used. The maximum theoretical resolution of the SPR sensor reaches to 5.98 × 10⁻⁶ RIU in the range of 1.36–1.38, and the wavelength sensitivity reaches to 3340 nm/RIU. The proposed SPR sensor shows potential applications for developing a high-sensitivity, real-time, and fast-response SPR-RI sensor.

Original language	English
Pages (from-to)	5268-5272
Number of pages	5
Journal	Applied Optics
Volume	57
Issue number	19
DOIs	https://doi.org/10.1364/AO.57.005268
State	Published - 1 Jul 2018
Externally published	Yes

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title = "D-shaped photonic crystal fiber plasmonic refractive index sensor based on gold grating",

abstract = "In this work, we proposed a high-resolution D-shaped photonic crystal fiber (PCF) surface plasmon resonance (SPR) sensor based on gold grating. Gold grating is introduced to modulate the resonance wavelength and enhance the refractive index (RI) sensitivity. Structure parameters of PCF and gold grating are analyzed by the finite element method for optimizing the SPR sensor. The simulation results indicate that air hole pitch, air hole diameter, and gold thickness and grating constant have little influence on the sensitivity of the refractive index, which reduces the requirement of precise processing. For improving the resolution of RI sensing, a two-feature (2F) interrogation method, which combines wavelength interrogation and amplitude interrogation, is used. The maximum theoretical resolution of the SPR sensor reaches to 5.98 × 10−6 RIU in the range of 1.36–1.38, and the wavelength sensitivity reaches to 3340 nm/RIU. The proposed SPR sensor shows potential applications for developing a high-sensitivity, real-time, and fast-response SPR-RI sensor.",

author = "Junjie Lu and Yan Li and Yanhua Han and Yi Liu and Jianmin Gao",

note = "Publisher Copyright: {\textcopyright} 2018 Optical Society of America.",

year = "2018",

month = jul,

day = "1",

doi = "10.1364/AO.57.005268",

language = "英语",

volume = "57",

pages = "5268--5272",

journal = "Applied Optics",

issn = "1559-128X",

publisher = "Optica Publishing Group",

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}

TY - JOUR

T1 - D-shaped photonic crystal fiber plasmonic refractive index sensor based on gold grating

AU - Lu, Junjie

AU - Li, Yan

AU - Han, Yanhua

AU - Liu, Yi

AU - Gao, Jianmin

PY - 2018/7/1

Y1 - 2018/7/1

N2 - In this work, we proposed a high-resolution D-shaped photonic crystal fiber (PCF) surface plasmon resonance (SPR) sensor based on gold grating. Gold grating is introduced to modulate the resonance wavelength and enhance the refractive index (RI) sensitivity. Structure parameters of PCF and gold grating are analyzed by the finite element method for optimizing the SPR sensor. The simulation results indicate that air hole pitch, air hole diameter, and gold thickness and grating constant have little influence on the sensitivity of the refractive index, which reduces the requirement of precise processing. For improving the resolution of RI sensing, a two-feature (2F) interrogation method, which combines wavelength interrogation and amplitude interrogation, is used. The maximum theoretical resolution of the SPR sensor reaches to 5.98 × 10−6 RIU in the range of 1.36–1.38, and the wavelength sensitivity reaches to 3340 nm/RIU. The proposed SPR sensor shows potential applications for developing a high-sensitivity, real-time, and fast-response SPR-RI sensor.

AB - In this work, we proposed a high-resolution D-shaped photonic crystal fiber (PCF) surface plasmon resonance (SPR) sensor based on gold grating. Gold grating is introduced to modulate the resonance wavelength and enhance the refractive index (RI) sensitivity. Structure parameters of PCF and gold grating are analyzed by the finite element method for optimizing the SPR sensor. The simulation results indicate that air hole pitch, air hole diameter, and gold thickness and grating constant have little influence on the sensitivity of the refractive index, which reduces the requirement of precise processing. For improving the resolution of RI sensing, a two-feature (2F) interrogation method, which combines wavelength interrogation and amplitude interrogation, is used. The maximum theoretical resolution of the SPR sensor reaches to 5.98 × 10−6 RIU in the range of 1.36–1.38, and the wavelength sensitivity reaches to 3340 nm/RIU. The proposed SPR sensor shows potential applications for developing a high-sensitivity, real-time, and fast-response SPR-RI sensor.

UR - https://www.scopus.com/pages/publications/85049225568

U2 - 10.1364/AO.57.005268

DO - 10.1364/AO.57.005268

M3 - 文章

C2 - 30117814

AN - SCOPUS:85049225568

SN - 1559-128X

VL - 57

SP - 5268

EP - 5272

JO - Applied Optics

JF - Applied Optics

IS - 19

ER -

D-shaped photonic crystal fiber plasmonic refractive index sensor based on gold grating

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