中国激光, 2019, 46 (12): 1214002, 网络出版: 2019-12-02
基于超材料的太赫兹偏振不敏感宽带吸波器
Metamaterial-Based Terahertz Polarization-Insensitive Broadband Absorber
图 & 表
图 2. d=15 μm,w=1.6 μm时不同t对应的吸收谱曲线
Fig. 2. Absorption spectra corresponding to different t when d=15 μm and w=1.6 μm
图 3. d=15 μm,t=2.6 μm时不同w对应的吸收谱曲线
Fig. 3. Absorption spectra corresponding to different w when d=15 μm and t=2.6 μm
图 4. w=1.6 μm,t=2.6 μm时不同d对应的吸收谱曲线
Fig. 4. Absorption spectra corresponding to different d when w=1.6 μm and t=2.6 μm
图 5. 表面电流及电场强度z分量仿真结果。(a)表面超材料金属层表面电流;(b)接地金属层的电流;(c)表面超材料金属层的电场强度z分量;(d)接地金属层的电场强度z分量
Fig. 5. Simulation results of surface current and z component of electric field intensity. (a) Surface current in surface metamaterial metal layer; (b) current in grounding metal layer; (c) z component of electric field intensity in surface metamaterial metal layer; (d) z component of electric field in grounding metal layer
图 10. 两层堆叠的吸波器在两个谐振频率下各层电场强度分布
Fig. 10. Electric field intensity distributions of two-layer absorber at two resonant frequencies
图 11. 3层堆叠结构的吸波器在谐振频率时的各层电场强度分布
Fig. 11. Electric field intensity distributions of three-layer absorber at resonant frequencies
郝梦真, 延凤平, 王伟, 杜雪梅, 霍红. 基于超材料的太赫兹偏振不敏感宽带吸波器[J]. 中国激光, 2019, 46(12): 1214002. Mengzhen Hao, Fengping Yan, Wei Wang, Xuemei Du, Hong Huo. Metamaterial-Based Terahertz Polarization-Insensitive Broadband Absorber[J]. Chinese Journal of Lasers, 2019, 46(12): 1214002.
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