光学学报, 2019, 39 (8): 0816001, 网络出版: 2019-08-07
基于磁激元的嵌套环超材料吸波器的吸收特性 
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Absorptance Properties of Nested-Ring Metamaterial Absorbers Based on Magnetic Polaritons
图 & 表
图 2. 不同圆环圈数和外径下的吸收光谱。(a)三圈环;(b)单圈环;(c)两圈环
Fig. 2. Simulated absorption spectra for structures with different circles and outer diameters. (a) Three ings; (b) one ring; (c) two rings
图 3. 共振波长处的电场强度和磁场强度分布图。(a)(b) 1.44 μm;(c)(d) 2.28 μm;(e)(f) 3.25 μm
Fig. 3. Simulated intensity distributions of electric and magnetic fields at resonance wavelengths. (a)(b) 1.44 μm; (c)(d) 2.28 μm; (e)(f) 3.25 μm
图 4. 反射光谱随圆环直径的变化。(a)单环结构外径R;(b)双环结构小环外径R2;(c)单环厚度ΔR
Fig. 4. Variation of simulated reflection spectra with diameters of rings. (a) Outer diameter R in one-ring structure; (b) outer diameter of small ring R2 in two-ring structure; (c) thickness ΔR in one-ring structure
图 5. 反射光谱随金属环高度的变化
Fig. 5. Variation of simulated reflection spectra with heights of metal rings
图 7. 吸收光谱随绝缘层厚度的变化
Fig. 7. Variation of simulated absorption spectra with thicknesses of insulation layer
图 8. 反射光谱随入射光极化角度的变化
Fig. 8. Variation of simulated reflection spectra with polarization angles of incident light
图 9. 周围介质折射率对吸收光谱的影响
Fig. 9. Influence of refractive index of surrounding medium on simulated absorption spectra
毛前军, 冯春早. 基于磁激元的嵌套环超材料吸波器的吸收特性[J]. 光学学报, 2019, 39(8): 0816001. Qianjun Mao, Chunzao Feng. Absorptance Properties of Nested-Ring Metamaterial Absorbers Based on Magnetic Polaritons[J]. Acta Optica Sinica, 2019, 39(8): 0816001.
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