光学学报, 2021, 41 (7): 0728001, 网络出版: 2021-04-11
基于交替光栅和石墨烯复合结构的折射率传感器 
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Refractive Index Sensor Based on Alternating Grating and Graphene Composite Structure
图 & 表
图 3. z=0平面上的电场和磁场分布。λ1=1.025 μm处的(a)电场和(c)磁场分布;(b) λ2=1.083 μm处的电场分布;(d) λ3=1.057 μm处的磁场分布
Fig. 3. Electric field and magnetic field distributions in z=0 plane. (a) Electric field and (c) magnetic field distributions at λ1=1.025 μm; (b) electric field distribution at λ2=1.083 μm; (d) magnetic field distribution at λ3=1.057 μm
图 4. 不同条件下的光谱特性。(a)有无石墨烯;(b)不同石墨烯厚度
Fig. 4. Spectral characteristics under different conditions. (a) With and without graphene; (b) different graphene thicknesses
图 5. 不同传感结构参数下谐振波长和带宽的变化规律。(a)光栅高度;(b)介质层厚度;(c)光栅周期;(d)宽光栅宽度
Fig. 5. Variation of resonant wavelength and bandwidth with sensing structural parameters. (a) Grating height; (b) dielectric layer thickness; (c) grating period; (d) wide-grating width
图 6. 不同待测折射率下的光谱特性。(a)共振光谱;(b)折射率曲线
Fig. 6. Spectral characteristics under different refractive indexes to be measured. (a) Resonant spectra; (b) refractive index curves
赵洪霞, 程培红, 丁志群, 王敬蕊, 鲍吉龙. 基于交替光栅和石墨烯复合结构的折射率传感器[J]. 光学学报, 2021, 41(7): 0728001. Hongxia Zhao, Peihong Cheng, Zhiqun Ding, Jingrui Wang, Jilong Bao. Refractive Index Sensor Based on Alternating Grating and Graphene Composite Structure[J]. Acta Optica Sinica, 2021, 41(7): 0728001.
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