A high sensitivity localized surface plasmon resonance sensor based on D-shaped photonic crystal fiber for low refractive index detection

Honggang PAN; Chuanbo CAO; Ailing ZHANG; Fei PAN; Pengxia SUI; Xinbo LIU

doi:10.1007/s11801-022-1193-8

Journals >Optoelectronics Letters >Volume 18 >Issue 7 >Page 425 > Article

Optoelectronics Letters
Vol. 18, Issue 7, 425 (2022)

A high sensitivity localized surface plasmon resonance sensor based on D-shaped photonic crystal fiber for low refractive index detection

Honggang PAN, Chuanbo CAO, Ailing ZHANG^*, Fei PAN, Pengxia SUI, and Xinbo LIU

Author Affiliations

Engineering Research Center of Optoelectronic Devices and Communication Technology, Ministry of Education, Tianjin Key Laboratory of Thin Film Electronics and Communication Devices, School of Integrated Circuit Science and Engineering, Tianjin University of Technology, Tianjin 300384, China

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DOI: 10.1007/s11801-022-1193-8 Cite this Article

PAN Honggang, CAO Chuanbo, ZHANG Ailing, PAN Fei, SUI Pengxia, LIU Xinbo. A high sensitivity localized surface plasmon resonance sensor based on D-shaped photonic crystal fiber for low refractive index detection[J]. Optoelectronics Letters, 2022, 18(7): 425 Copy Citation Text

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Abstract

In this paper, a localized surface plasmon resonance (LSPR) refractive index sensor based on photonic crystal fiber (PCF) is proposed to solve the problem of low refractive index analyte detection. 31 silver nanowires are placed on the surface of the D-shaped PCF, which increases the contact area between the plasma material and the analyte. The simulation results indicate that the maximum sensitivity of the sensor reaches 16 400 nm/RIU, and the refractive index detection range is 1.26—1.33. It is proved that the sensor has a good prospect in low refractive index detection.

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