VO2-based thermally tunable emitter and preliminary design of switching for mid-infrared atmospheric windows
An atmospheric window is greatly significant in the radiative cooling field. In this study, we preliminarily design a thermally tunable metamaterial emitter that can be used as an internal and external emission switch for a mid-infrared atmospheric window (3.5–5 and 8–14 μm). The proposed emitter ha...
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2021
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oai:doaj.org-article:829dc0f5c791486c8a3c9f7e73f155842021-12-02T05:01:18ZVO2-based thermally tunable emitter and preliminary design of switching for mid-infrared atmospheric windows2211-379710.1016/j.rinp.2021.105055https://doaj.org/article/829dc0f5c791486c8a3c9f7e73f155842021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2211379721010433https://doaj.org/toc/2211-3797An atmospheric window is greatly significant in the radiative cooling field. In this study, we preliminarily design a thermally tunable metamaterial emitter that can be used as an internal and external emission switch for a mid-infrared atmospheric window (3.5–5 and 8–14 μm). The proposed emitter has a multilayer metal–dielectric–metal micropyramid structure with thermochromic VO2 spacers. Its broadband emission and thermal tunability are due to the resonance of the hybridization of separate magnetic polaritons, surface plasmon polaritons, and the thermal phase-transition characteristics of VO2. The structure has a warming effect at the temperature below the phase-change temperature. On the contrary, it has a cooling effect at the temperature above the phase-change temperature. These phenomena show the emitter’s potential application in smart temperature control systems.Wen-zhuang MaJing LiuWei ChenYu-shan ChenPing-Ping ZhuangXue-qiu YouXu-chu DengDong LinZhi-chun FanYu GuElsevierarticleMetamaterialsVO2EmitterAtmospheric windowsPhysicsQC1-999ENResults in Physics, Vol 31, Iss , Pp 105055- (2021) |
| institution |
DOAJ |
| collection |
DOAJ |
| language |
EN |
| topic |
Metamaterials VO2 Emitter Atmospheric windows Physics QC1-999 |
| spellingShingle |
Metamaterials VO2 Emitter Atmospheric windows Physics QC1-999 Wen-zhuang Ma Jing Liu Wei Chen Yu-shan Chen Ping-Ping Zhuang Xue-qiu You Xu-chu Deng Dong Lin Zhi-chun Fan Yu Gu VO2-based thermally tunable emitter and preliminary design of switching for mid-infrared atmospheric windows |
| description |
An atmospheric window is greatly significant in the radiative cooling field. In this study, we preliminarily design a thermally tunable metamaterial emitter that can be used as an internal and external emission switch for a mid-infrared atmospheric window (3.5–5 and 8–14 μm). The proposed emitter has a multilayer metal–dielectric–metal micropyramid structure with thermochromic VO2 spacers. Its broadband emission and thermal tunability are due to the resonance of the hybridization of separate magnetic polaritons, surface plasmon polaritons, and the thermal phase-transition characteristics of VO2. The structure has a warming effect at the temperature below the phase-change temperature. On the contrary, it has a cooling effect at the temperature above the phase-change temperature. These phenomena show the emitter’s potential application in smart temperature control systems. |
| format |
article |
| author |
Wen-zhuang Ma Jing Liu Wei Chen Yu-shan Chen Ping-Ping Zhuang Xue-qiu You Xu-chu Deng Dong Lin Zhi-chun Fan Yu Gu |
| author_facet |
Wen-zhuang Ma Jing Liu Wei Chen Yu-shan Chen Ping-Ping Zhuang Xue-qiu You Xu-chu Deng Dong Lin Zhi-chun Fan Yu Gu |
| author_sort |
Wen-zhuang Ma |
| title |
VO2-based thermally tunable emitter and preliminary design of switching for mid-infrared atmospheric windows |
| title_short |
VO2-based thermally tunable emitter and preliminary design of switching for mid-infrared atmospheric windows |
| title_full |
VO2-based thermally tunable emitter and preliminary design of switching for mid-infrared atmospheric windows |
| title_fullStr |
VO2-based thermally tunable emitter and preliminary design of switching for mid-infrared atmospheric windows |
| title_full_unstemmed |
VO2-based thermally tunable emitter and preliminary design of switching for mid-infrared atmospheric windows |
| title_sort |
vo2-based thermally tunable emitter and preliminary design of switching for mid-infrared atmospheric windows |
| publisher |
Elsevier |
| publishDate |
2021 |
| url |
https://doaj.org/article/829dc0f5c791486c8a3c9f7e73f15584 |
| work_keys_str_mv |
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