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An experimental analysis on spectrum absorption characteristics of high-temperature material based on nanostructure
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  • Shuhan Yang,
  • Bin Shen,
  • Bin Dai,
  • Haijian Liang
Shuhan Yang
Yuncheng University

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Bin Shen
Chongqing University of Posts and Telecommunications
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Bin Dai
Yuncheng University
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Haijian Liang
North University of China
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High-temperature metal nanostructure endows various potential applications in optical communication, aerospace and other fields. In this letter, periodical nanostructure with high-temperature metal is proposed to enhance spectrum absorption. The absorption characteristics and mechanism were investigated and analyzed in the range of 360 ∼ 760 nm wavelength based on the finite difference time domain (FDTD) method. The results indicate that particle shape, material, and period are the main factors affecting absorption. After optimization, the peak and average absorption reach 68.6% and 61.32% respectively. The coupling between surface plasmon polaritons (SPPs) and local surface plasmon resonance (SPR) enhances the optical properties obviously. The results have certain reference value for the application of high-temperature metal nanostructure in special environments.