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大蓝闪蝶翅鳞微纳结构的光学隐身特性研究
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火箭军工程大学

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国家自然科学基金(51905542)、中国博士后科学基金面上项目(2019M663990)、火箭军工程大学青年基金项目(2019QNJJ08)


Study on the Optical Stealth Characteristics of Micro/Nano structure of Morpho Menelaus Wing Scales
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    摘要:

    为了探究大蓝闪蝶翅鳞的光学功能特性及其仿生应用潜力,对其进行了响应性光学性能测试与微观结构表征,并构建了翅鳞的可视化仿生模型,进而揭示了大蓝闪蝶翅鳞多尺度分级微纳结构与可见光-近红外波段响应功能特性之间的映射关系及影响规律。研究表明,该蝶翅上下两层鳞片具有周期性精细结构,脊结构分别被几丁质片层堆叠成梳齿状堆栈结构与塔状光栅结构,瑞利散射、多层膜干涉、光子禁带等光学效应协同作用赋予它对外部环境介质填充、光照入射角度等因素变化具有独特的敏感性变色响应特征,并在近红外波段兼容有反射率可调特性。大蓝闪蝶翅鳞具有的独特光学特性可为自适应变色变发射率仿生隐身功能材料与元器件的研制提供新思路。

    Abstract:

    To explore the optical functional characteristics and bionic application potential of morpho menelaus wing scale, the responsive optical performance test and microstructure characterization were carried out, and the visual bionic model of wing scale was constructed. Furthermore, the mapping relationship between the multi-scale hierarchical micro/nano structure and the response functional characteristics in the visible and near infrared bands was revealed. The upper and lower scales of the wing have periodic fine structures, and the ridge structures are stacked into comb-like stack structure and tower-like grating structure by chitin lamellae, respectively. Rayleigh scattering, multilayer interference, photonic band gap and other optical effects make it with sensitive color changing response characteristics to the changes of external media filling and light incidence angle. Moreover, the reflectivity of near infrared band is adjustable. The unique optical properties of morpho menelaus wing scale can provide a new idea for the development of bionic stealth functional materials and components with adaptive color change and variable emissivity.

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王龙.大蓝闪蝶翅鳞微纳结构的光学隐身特性研究[J].稀有金属材料与工程,2022,51(5):1926~1932.[王龙. Study on the Optical Stealth Characteristics of Micro/Nano structure of Morpho Menelaus Wing Scales[J]. Rare Metal Materials and Engineering,2022,51(5):1926~1932.]
DOI:10.12442/j. issn.1002-185X.20210415

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  • 收稿日期:2021-05-12
  • 最后修改日期:2021-06-24
  • 录用日期:2021-07-12
  • 在线发布日期: 2022-06-09
  • 出版日期: 2022-05-30