HIGH-SENSITIVITY TWO-CORE DUAL-POLARIZATION PHOTONIC-CRYSTAL-FIBER SURFACE-PLASMON-RESONANCE SENSOR BASED ON INDIUM TIN OXID

被引：0

作者：

Cui, Nan ^{[1
]}

Pan, Honggang ^{[1
]}

Zhang, Ailing ^{[1
]}

Zhao, Zihong ^{[1
]}

Chen, Zhipan ^{[1
]}

Zhang, Bo ^{[1
]}

Lin, Sihang ^{[1
]}

Cao, Guangxiao ^{[1
]}

机构：

[1] Tianjin Univ Technol, Sch Integrated Circuit Sci & Engn, Engn Res Ctr Optoelect Devices & Commun Technol, Tianjin Key Lab Film Elect & Commun Devices,Minis, Tianjin 300384, Peoples R China

来源：

JOURNAL OF RUSSIAN LASER RESEARCH | 2023年 / 44卷 / 04期

关键词：

surface-plasmon resonance; photonic-crystal fiber; two-core dual-polarization; high sensitivity;

D O I：

10.1007/s10946-023-10144-8

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper, we propose a high-sensitivity two-core dual-polarization photonic-crystal-fiber surfaceplasmon-resonance (PCF-SPR) sensor based on Indium Tin oxide (ITO). ITO is a conductor material with adjustable photoelectric properties and low losses in the infrared range, and the two-core structure could better direct the incident light to the metal surface to enhance the coupling. According to numerical simulation results, the maximum wavelength sensitivities are 17,000 nm/RIU and 25,500 nm/RIU in the x-polarization mode and y-polarization mode. The maximum resolution of the x-polarization mode and y-polarization mode of the sensor can reach 5.88 center dot 10(-6) RIU and 3.92 center dot 10(-6) RIU, respectively, and the liquid refractive index detection range is 1.32 - 1.39. Taking into account the simple structure and excellent sensing performance, the sensor has wide application prospect and can accurately detect the refractive index of liquids, such as blood plasma, hemoglobin, etc.

引用

页码：375 / 383

页数：9

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