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Omnidirectional light absorption of disordered nano-hole structure inspired from Papilio ulysses

机译:Papilio ulysses激发无序纳米孔结构的全向光吸收

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摘要

Butterflies routinely produce nanostructured surfaces with useful properties. Here, we report a disordered nanohole structure with ridges inspired by Papilio ulysses that produce omnidirectional light absorption compared with the common ordered structure. The result shows that the omnidirectional light absorption is affected by polarization, the incident angle, and the wavelength. Using the finite-difference time-domain (FDTD) method, the stable omnidirectional light absorption is achieved in the structure inspired from the Papilio ulysses over a wide incident angle range and with various wavelengths. This explains some of the mysteries of the structure of the Papilio ulysses butterfly. These conclusions can guide the design of omnidirectional absorption materials.
机译:蝴蝶通常会产生具有有用特性的纳米结构表面。在这里,我们报道了一种无序的纳米孔结构,其脊线受凤蝶溶血酶的启发,与普通的有序结构相比,产生全向的光吸收。结果表明,全向光吸收受偏振,入射角和波长的影响。使用有限差分时域(FDTD)方法,可以在宽入射角范围和各种波长的凤蝶溶血素启发下获得结构稳定的全向光吸收。这解释了凤蝶尤利西斯蝴蝶结构的一些奥秘。这些结论可以指导全向吸收材料的设计。

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