In this paper, we design and simulate VO2/metal multilayers to obtain a large tunability of the thermal emissivity of infrared (IR) filters in the typical mid wave IR window of many infrared cameras. The multilayer structure is optimized to realise a low emissivity filter at high temperatures useful for military purposes. The values of tunability found for VO2/metal multilayers are larger than the value for a single thick layer of VO2. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4739489]
Optimization of thermochromic VO2 based structures with tunable thermal emissivity / LI VOTI, Roberto; Larciprete, Maria Cristina; Leahu, Grigore; Sibilia, Concetta; Bertolotti, Mario. - In: JOURNAL OF APPLIED PHYSICS. - ISSN 0021-8979. - STAMPA. - 112:3(2012), pp. 034305-034305-5. [10.1063/1.4739489]
Optimization of thermochromic VO2 based structures with tunable thermal emissivity
Roberto Li Voti
;Maria Cristina Larciprete;Grigore Leahu;Concetta Sibilia;Mario Bertolotti
2012
Abstract
In this paper, we design and simulate VO2/metal multilayers to obtain a large tunability of the thermal emissivity of infrared (IR) filters in the typical mid wave IR window of many infrared cameras. The multilayer structure is optimized to realise a low emissivity filter at high temperatures useful for military purposes. The values of tunability found for VO2/metal multilayers are larger than the value for a single thick layer of VO2. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4739489]File | Dimensione | Formato | |
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