光学学报, 2018, 38 (1): 0123002, 网络出版: 2018-08-31
基于LiF和NaF的超宽带红外吸收器 下载: 902次
Ultra-Broadband Infrared Absorber Based on LiF and NaF
图 & 表
图 4. 基于LiF材料的吸收器的吸收率相对于入射角度与波长的等高线图
Fig. 4. Absorptivity contour map of the absorber based on LiF material as a function of incident angle and wavelength
图 5. 基于NaF材料的吸收器的吸收率相对于入射角度与波长的等高线图
Fig. 5. Absorptivity contour map of the absorber based on NaF material as a function of incident angle and wavelength
图 6. 基于LiF和NaF组合材料的吸收器的吸收率相对于入射角度与波长的等高线图
Fig. 6. Absorptivity contour map of the absorber based on LiF and NaF materials as a function of incident angle and wavelength
图 7. 入射波长为(a)18.85 μm、(b)32.5 μm、(c)44.4 μm时,单元结构中的磁场分布
Fig. 7. Distribution of magnetic field in the unit with the incident wavelength of (a) 18.85 μm, (b) 32.5 μm, (c) 44.4 μm
图 8. 入射波长为(a)32.5 μm和(b)44.4 μm时,电场E的局部分布图
Fig. 8. Local distribution map of the electric field E with the incident wavelength of (a) 32.5 μm, (b) 44.4 μm
图 9. 不同L时,吸收率与入射波长的关系
Fig. 9. Relationship between absorptivity and incident wavelength with different L
表 1LiF和NaF的介电常数表达式中的参数
Table1. Parameters in the expressions for the dielectric constant of LiF and NaF
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陈曦, 薛文瑞, 赵晨, 李昌勇. 基于LiF和NaF的超宽带红外吸收器[J]. 光学学报, 2018, 38(1): 0123002. Xi Chen, Wenrui Xue, Chen Zhao, Changyong Li. Ultra-Broadband Infrared Absorber Based on LiF and NaF[J]. Acta Optica Sinica, 2018, 38(1): 0123002.