激光与光电子学进展, 2020, 57 (3): 031601, 网络出版: 2020-02-17
偏振无关高吸收效率宽吸收带宽超材料吸收器 
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Polarization Independent High Absorption Efficiency Wide Absorption Bandwidth Metamaterial Absorber
图 & 表
图 2. 超材料吸收器结构模型示意图。(a)三维结构图;(b)结构单元平面图
Fig. 2. Schematic of metamaterial absorber structure model. (a) Three-dimensional structure; (b) plane diagram of structural elements
图 3. FDTD中的PHWA模型。(a) PHWA平面图; (b) PHWA立体图
Fig. 3. PHWA model in FDTD. (a) PHWA plan; (b) PHWA three-dimensional picture
图 4. 不同偏振态下PHWA的光吸收效率。(a) TM偏振下PHWA的光吸收、反射和透射;(b) TE和TM偏振态下PHWA对光的吸收
Fig. 4. Optical absorption efficiency of PHWA under different polarization states. (a) Light absorption, reflection, and transmission of PHWA under TM polarization; (b) light absorption of PHWA under TE and TM polarizations
图 5. 材料厚度对吸收带宽的影响。(a)金属层厚度;(b)介质层厚度
Fig. 5. Influence of material thickness on absorption bandwidth. (a) Metal layer thickness; (b) dielectric layer thickness
图 8. 不同波长下PHWA磁场分布。(a) 1 μm;(b) 1.5 μm;(c) 2 μm
Fig. 8. PHWA magnetic field distribution at different wavelengths. (a) 1 μm; (b) 1.5 μm; (c) 2 μm
王超素, 江达飞, 江孝伟. 偏振无关高吸收效率宽吸收带宽超材料吸收器[J]. 激光与光电子学进展, 2020, 57(3): 031601. Chaosu Wang, Dafei Jiang, Xiaowei Jiang. Polarization Independent High Absorption Efficiency Wide Absorption Bandwidth Metamaterial Absorber[J]. Laser & Optoelectronics Progress, 2020, 57(3): 031601.
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