光通信技术, 2023, 47 (2): 23, 网络出版: 2023-03-30  

双侧抛D型光子晶体光纤表面等离子体温度传感器

Surface plasma temperature sensor based on double-side throw D-type photonic crystal fiber
作者单位
南京邮电大学 电子与光学工程、柔性电子学院, 南京 210023
摘要
为了降低传感器结构复杂度和提高传感器温度灵敏度, 提出一种双侧抛D型、包层为正六边形和正八边形的光子晶体光纤表面等离子共振(SPR)温度传感器, 利用COMSOL Multiphysics有限元仿真软件分别研究了偏振方向、空气孔径、银膜厚度对传感器的性能影响, 找出各项数据的最优值, 并以此为基础对传感器的温度传感特性进行了分析。仿真结果表明: 在x偏振方向模式下, 当包层空气孔d1=1 ?滋m、d2=0.5 ?滋m,金属银膜厚度tAg=35 nm时, 传感器的性能最优, 在0~120 ℃时传感器的温度灵敏度最高可达-7.99 nm/℃。
Abstract
In order to reduce the complexity of the sensor structure and improve the sensitivity of the sensor temperature, a dual-side throw D-type photonic crystal fiber surface plasmon resonance(SPR) temperature sensor with regular hexagon and regular octagon cladding is proposed. By using COMSOL multiphysics finite element simulation software, the influence of polarization direction, air aperture and silver film thickness on the performance of the sensor is studied respectively, and the optimal value of each data is found out. Based on this, the temperature sensing characteristics of the sensor are analyzed. The simulation results show that when the cladding air hole d1=1 ?滋m,d2=0.5 ?滋m, and the thickness of the metal silver film tAg=35 nm, the performance of the sensor is the best, and the maximum temperature sensitivity of the sensor can reach -7.99 nm/℃ at 0~120 ℃.
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熊明强, 黄勇林, 詹平. 双侧抛D型光子晶体光纤表面等离子体温度传感器[J]. 光通信技术, 2023, 47(2): 23. XIONG Mingqiang, HUANG Yonglin, ZHAN Ping. Surface plasma temperature sensor based on double-side throw D-type photonic crystal fiber[J]. Optical Communication Technology, 2023, 47(2): 23.

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