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9 December 2021 Research on infrared stealth methods for thermal target during sun exposure
Lifang Ma, ShuYu Wang, Qi Meng
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Proceedings Volume 12030, Third International Conference on Optoelectronic Science and Materials (ICOSM 2021); 1203018 (2021) https://doi.org/10.1117/12.2617535
Event: Third International Conference on Optoelectronic Science and Materials (ICOSM 2021), 2021, Hefei, China
Abstract
Based on the calculation model established in this paper, the radiation temperature of a thermal target attached a thin film on its surface was calculated during sun exposure. From the results, stealth effects of the film with different parameters of the emissivity were investigated. For a thermal target, the low emissivity film has a good stealth effect in 8~14μm. However, due to the influence of solar radiation, it is difficult to achieve stealth in 3~5μm by using a low emissivity film alone. Then some other methods, such as insulation, cooling and so on, have to reduce the radiation of the thermal target for infrared stealth in this band. Moreover, these methods can also reduce the radiation of the thermal target in 8~14μm, so requirements for the emissivity of stealth film in this band can be lowered.
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Lifang Ma, ShuYu Wang, and Qi Meng "Research on infrared stealth methods for thermal target during sun exposure", Proc. SPIE 12030, Third International Conference on Optoelectronic Science and Materials (ICOSM 2021), 1203018 (9 December 2021); https://doi.org/10.1117/12.2617535
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KEYWORDS
Infrared radiation
Solar radiation
Radiation effects
Thin films
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