Self-Adaptive Temperature Modulation Based on Thermal Induced Phase Changing of Vanadium Dioxide

Haipeng Zhao; Xinyuan Zhang; Yunbin He; Shuliang Dou; Yao Li; Xiaofeng Li; Yaohui Zhan

doi:10.3788/AOS202141.1523001

Acta Optica Sinica, Volume. 41, Issue 15, 1523001(2021)

Self-Adaptive Temperature Modulation Based on Thermal Induced Phase Changing of Vanadium Dioxide

Haipeng Zhao^1,2, Xinyuan Zhang^1,2, Yunbin He³, Shuliang Dou⁴, Yao Li⁴, Xiaofeng Li^1,2, and Yaohui Zhan^1,2、*

Author Affiliations

¹School of Optoelectronic Science and Engineering, Soochow University, Suzhou, Jiangsu 215006, China

²Key Lab of Advanced Optical Manufacturing Technologies of Jiangsu Province & Key Lab of Modern Optical Technologies of Education Ministry of China, Suzhou, Jiangsu 215006, China;

³School of Materials Science and Engineering, Hubei University, Wuhan, Hubei 430062, China

⁴Institute of Composite Materials and Structures, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China

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Figures & Tables(7)

Fig. 1. Schematic of working principles

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Fig. 2. Influence of cavity thickness on main physical parameters. (a) ε_H; (b) ${ε_{}}_{L}$ ; (c) Δε; (d) α

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Fig. 3. Optical response before and after genetic algorithm optimization. (a) Structural schematics; (b) without filters; (c) with filters

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Fig. 4. Influence of angle on spectral emissivity before and after phase transition. (a) Metal-state, TE polarization; (b) metal-state, TM polarization; (c) semiconducting-state, TE polarization; (d) semiconducting-state, TM polarization

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$Net cooling power calculation. (a) Real part of refractive index of VO2 at different film temperatures; (b) imaginary part of refractive index of VO2 at different film temperatures; (c) Pnet under different Tamb and Tfilm conditions; (d) Pnet, Patm, and Prad at Tamb=20 ℃$

Fig. 5. Net cooling power calculation. (a) Real part of refractive index of VO₂ at different film temperatures; (b) imaginary part of refractive index of VO₂ at different film temperatures; (c) P_net under different T_amb and T_film conditions; (d) P_net, P_atm, and P_rad at T_amb=20 ℃

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Fig. 6. Calculation results based on actual ambient temperatures. (a) Solar irradiance; (b) change of T_film and P_rad with actual ambient temperature T_amb

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Table 1. Filter structure parameters optimized by genetic algorithm
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Table 1. Filter structure parameters optimized by genetic algorithm
Layer Material Thickness /nm
1 ZnSe 140
2 MgF₂ 160
3 ZnSe 800
4 MgF₂ 210
5 ZnSe 110
6 MgF₂ 20
7 ZnSe 860
8 MgF₂ 250
9 ZnSe 50
10 MgF₂ 1000

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Haipeng Zhao, Xinyuan Zhang, Yunbin He, Shuliang Dou, Yao Li, Xiaofeng Li, Yaohui Zhan. Self-Adaptive Temperature Modulation Based on Thermal Induced Phase Changing of Vanadium Dioxide[J]. Acta Optica Sinica, 2021, 41(15): 1523001

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