中国激光, 2019, 46 (2): 0213001, 网络出版: 2019-05-09
双金属挡板金属-电介质-金属波导耦合方形腔的Fano共振传感特性 下载: 1108次
Fano Resonance Sensing Characteristics of Metal-Dielectric-Metal Waveguide Coupling Square Cavity with Bimetallic Baffle
图 & 表
图 1. 含双金属挡板的MDM波导耦合方形谐振腔。(a)腔结构;(b)透射光谱;(c)相位图
Fig. 1. MDM waveguide coupled square cavity with bimetallic baffle. (a) Cavity structure; (b) transmission spectra; (c) phase diagram
图 2. 稳态磁场分布。(a)含F-P腔的MDM波导结构在共振谷的稳态磁场分布;(b) Fano共振第一个波谷处的稳态磁场分布;(c) Fano共振峰处的稳态磁场分布;(d) Fano共振第二个波谷处的稳态磁场分布
Fig. 2. Distributions of steady magnetic field. (a) Distribution of steady magnetic field of MDM waveguide with F-P cavity structure in transmission dip; (b) distribution of steady magnetic field at first transmission dip of Fano resonance; (c) distribution of steady magnetic field at transmission peak of Fano resonance; (d) distribution of steady magnetic field at second transmission dip of Fano resonance
图 3. L1对传感特性的影响。(a) L1对Fano共振线型的影响;(b) L1对FOM值的影响;(c) L1对应的FOM最大值
Fig. 3. Influence of L1 on sensing characteristics. (a) Influence of L1 on Fano resonance line shape; (b) influence of L1 on FOM; (c) maximum FOM corresponding to L1
图 4. l对传感特性的影响。(a) l对Fano共振线型的影响;(b) l对FOM值的影响;(c) l对应的FOM最大值
Fig. 4. Influence of l on sensing characteristics.(a) Influence of l on Fano resonance line shape; (b) influence of l on FOM;(c) maximum FOM corresponding to l
图 5. g和n对传感特性的影响。(a) g对Fano共振线型的影响;(b) g对FOM值的影响;(c) n对Fano共振峰的影响;(d)共振波长与环境折射率的拟合曲线
Fig. 5. Influence of g and n on sensing characteristics. (a) Influence of g on Fano resonance line shape; (b) influence of g on FOM; (c) influence of n on Fano resonance peak; (d) fitting curve between resonant wavelength and refractive index
陈颖, 曹景刚, 许扬眉, 高新贝, 谢进朝, 唐心亮, 李少华. 双金属挡板金属-电介质-金属波导耦合方形腔的Fano共振传感特性[J]. 中国激光, 2019, 46(2): 0213001. Ying Chen, Jinggang Cao, Yangmei Xu, Xinbei Gao, Jinchao Xie, Xinliang Tang, Shaohua Li. Fano Resonance Sensing Characteristics of Metal-Dielectric-Metal Waveguide Coupling Square Cavity with Bimetallic Baffle[J]. Chinese Journal of Lasers, 2019, 46(2): 0213001.