Acta Optica Sinica, Volume. 41, Issue 5, 0516001(2021)
Ultra-Broadband Perfect Absorber Based on Multilayered Zr/SiO2 Film
Figures & Tables(12)
Fig. 1. Structural diagram of multilayered planar metal/dielectric ultra-broadband absorber
Fig. 3. Optical properties of absorbers for different metal films. (a) Absorption spectra; (b) normalized impedance
Fig. 4. Relationship between each physical variable and wavelength. (a) Electric field intensity; (b) absorption intensity; (c) absorption efficiency of each metal layer
Fig. 5. Absorption spectra of absorbers with different film layer thicknesses. (a) h1; (b) h2; (c) h3; (d) h4; (e) h5; (f) h6; (g) h7; (h) h8
Fig. 7. Relationship between light absorption efficiency and incident angle under different polarization conditions. (a) TE polarization; (b) TM polarization
Fig. 8. Relationship between temperature rise and each parameter. (a) Temperature rise versus luminous intensity for different incident wavelengths; (b) temperature rise versus incident wavelength for different luminous intensities
Fig. 9. Absorption spectrum of absorber, normalized solar radiation spectrum and normalized radiation spectra of black body at different temperatures
Table 1. Structural parameters for realizing highest average absorption efficiency of absorbers with different layer numbers in range of 0.4--3.0 μm
View tableTable 1. Structural parameters for realizing highest average absorption efficiency of absorbers with different layer numbers in range of 0.4--3.0 μm
Layer number 4 6 8 10 12 h1 /nm 229.9 215.0 136.7 130.8 130.3 h2 /nm 8.9 5.4 2.6 1.7 1.3 h3 /nm 222.6 128.4 115.9 111.4 108.4 h4 /nm 400.0 8.2 5.1 3.7 3.1 h5 /nm 112.8 113.6 115.8 116.1 h6 /nm 400.0 8.7 6.3 5.1 h7 /nm 111.2 114.3 117.1 h8 /nm 400.0 11.0 8.2 h9 /nm 107.0 113.7 h10 /nm 400.0 15.5 h11 /nm 102.3 h12 /nm 400.0
Table 2. Relationship between optimal average absorption efficiency and layer number for each wavelength rangeunit: %
View tableTable 2. Relationship between optimal average absorption efficiency and layer number for each wavelength rangeunit: %
Layer number 0.4-- 0.8 μm 0.4-- 1.5 μm 0.4-- 2.0 μm 0.4-- 2.5 μm 0.4-- 3.0 μm 0.4-- 4.0 μm 0.4-- 5.0 μm 0.4-- 6.0 μm 0.4-- 7.0 μm 0.4-- 8.0 μm 4 99.5[ 21 ]95.9[ 23 ]93.8 92.0 91.5 88.0 84.9 81.9 79.1 74.9 6 99.6[ 24 ]99.0[ 25 ]98.7[ 26 ]97.3 95.5 94.6[ 27 ]92.9 91.3 88.7 86.8 8 99.8 99.1 98.8[ 28 ]98.7[ 15 ]97.9 96.7 95.7 94.5 93.1 90.6 10 99.8 99.1 98.9 98.7 98.6 97.7 96.8 96.1 94.4 92.5 12 98.6 98.2 97.2 96.9 95.7 93.8 14 98.4 97.9 97.3 96.4 94.6 16 98.1 97.7 97.1 95.2 18 98.3 97.9 97.4 95.6 20 97.9 97.6 96.0 22 97.7 96.2 24 97.8 96.4
Table 3.
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Tiesheng Wu, Xueyu Wang, Huixian Zhang, Yiying Wang, Weiping Cao, Yiping Wang. Ultra-Broadband Perfect Absorber Based on Multilayered Zr/SiO2 Film[J]. Acta Optica Sinica, 2021, 41(5): 0516001
Paper Information
Category: Materials
Received: Aug. 18, 2020
Accepted: Oct. 21, 2020
Published Online: Apr. 7, 2021
The Author Email: Wu Tiesheng (tieshengw@163.com), Wang Xueyu (xueyuwang@hotmail.com), Wang Yiping (ypwang@szu.edu.cn)
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