A D-shaped Refractive index SPR Fiber Optic Sensor for NIR Region

被引：0
|
作者：
Banerjee, Ananya [1 ]
Dahiya, Rahul [1 ]
Thangaraj, Jaisingh [1 ]
Moriangthem, Rakesh S. [2 ,3 ]
机构：
[1] Indian Inst Technol, Dept Elect Engn, Indian Sch Mines, Dhanbad, Bihar, India
[2] Indian Inst Technol, Dept Phys, Nanophoton Lab, Indian Sch Mines, Dhanbad, Bihar, India
[3] Manipur Univ, Dept Phys, Imphal, Manipur, India
来源：
SPIE FUTURE SENSING TECHNOLOGIES 2023 | 2023年 / 12327卷
关键词：
Surface Plasmon Resonance (SPR); Semiconductor Plasmonic metal; Optical-Fiber Sensors; Refractive Index; SURFACE-PLASMON RESONANCE; SENSITIVITY; EXCITATION;
D O I：
10.1117/12.2665093
中图分类号：
TP7 [遥感技术];
学科分类号：
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要：
In this paper, we propose a Refractive index Fiber-Optic SPR sensor with a D-shaped structure. Due to numerous advantages such as miniaturized size, fast response, and immunity to electromagnetic interference, optical fiber has been comprehensively used for different sensing applications. It consists of a multi-mode sensor with a bi-metallic thin film structure with Ag and AlSb as the sensing layer. The refractive index (RI) of the testing solution gets incremented from 1.37 till 1.40. The refractive index sensitivity gets varied non-linearly from 15,400 to 30,800 nm/ RIU in the NIR region. Fabrication of the sensor is easier and thereby it is suitable for any sensing environment.
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页数：7
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