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Multiscale and Multiple Physical Quantities Sensor Based on Nonreciprocal Evanescent Wave in the One-Dimensional Photonic Crystals
IEEE Sensors Journal ( IF 4.3 ) Pub Date : 2021-07-26 , DOI: 10.1109/jsen.2021.3100403
Ya-Ting Xiang , Bao-Fei Wan , Hai-Feng Zhang

In this study, the nonreciprocal evanescent waves associated with the one-dimensional ternary photonic crystals constructed by magnetized plasma layers and two dielectric layers and terminated with two prisms are investigated. The plasma frequency and the plasma cyclotron frequency obviously affect the quality factor value and the transmittance of the counter-propagating evanescent waves in a regular way, then the counter-propagating target resonates peaks for sensing is acquired through the parameter optimization. Whereby, the multiscale sensor benefits from the nonreciprocity can be applied to simultaneously measure magnetic induction intensity, plasma density, incident angle, and refractive index in two scales, which is unprecedented in existence. Numerical investigations of the sensing performance parameters such as linear range, sensitivity, quality factor value, the figure of merit are performed by the transfer matrix method. The sensitivity and quality factor values of the two scales respectively are $8.27\times 10^{9}\,\,\text{T}^{-1}$ , $6.07\times 10^{9}\,\,\text{T}^{-1}$ , 18848.48, 12009.71, $5.82\times 10^{-11}\,\,\text{m}^{3}$ , $4.56\times 10^{-11}\,\,\text{m}^{3}$ , 10452.26, 11588.24, 0.02109 ( $2\pi \text{c}/{d}$ ) $\cdot $ degree −1 , 0.00508 ( $2\pi \text{c}/{d}$ ) $\cdot $ degree −1 , 4487.35, 5164.47, 0.02093 ( $2\pi \text{c}/{d}$ ) $\cdot $ RIU −1 , 0.00648 ( $2\pi \text{c}/{d}$ ) $\cdot $ RIU −1 , 4024.47, 4647.56. Surpassing the traditional sensor, the proposed structure which is equipped with multiple physical quantities measurement in two scales can have numerous potential applications for sensing.

中文翻译:

一维光子晶体中基于非互易渐逝波的多尺度多物理量传感器

在这项研究中,研究了与由磁化等离子体层和两个介电层构成并以两个棱镜终止的一维三元光子晶体相关的非互易消逝波。等离子体频率和等离子体回旋频率明显有规律地影响对向传播的倏逝波的品质因子值和透射率,然后通过参数优化获得对向传播的目标共振峰进行传感。因此,多尺度传感器受益于非互易性,可用于同时测量两个尺度的磁感应强度、等离子体密度、入射角和折射率,这是前所未有的。传感性能参数的数值研究,如线性范围、灵敏度、品质因数值,品质因数由传递矩阵方法执行。两个量表的灵敏度和品质因子值分别为 $8.27\times 10^{9}\,\,\text{T}^{-1}$ , $6.07\times 10^{9}\,\,\text{T}^{-1}$ , 18848.48, 12009.71, $5.82\times 10^{-11}\,\,\text{m}^{3}$ , $4.56\times 10^{-11}\,\,\text{m}^{3}$ , 10452.26, 11588.24, 0.02109 ( $2\pi \text{c}/{d}$ ) $\cdot $ -1 , 0.00508 ( $2\pi \text{c}/{d}$ ) $\cdot $ -1 , 4487.35, 5164.47, 0.02093 ( $2\pi \text{c}/{d}$ ) $\cdot $ RIU -1 , 0.00648 ( $2\pi \text{c}/{d}$ ) $\cdot $ RIU -1 ,4024.47,4647.56。超越传统传感器,所提出的具有两个尺度的多个物理量测量的结构可以具有许多潜在的传感应用。
更新日期:2021-09-17
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