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首页> 外文期刊>Journal of Applied Physics >Characterization of planar periodic structure using inverse laser scanning confocal microscopy moire method and its application in the structure of butterfly wing
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Characterization of planar periodic structure using inverse laser scanning confocal microscopy moire method and its application in the structure of butterfly wing

机译：逆激光扫描共聚焦显微莫尔条纹法表征平面周期结构及其在蝴蝶翼结构中的应用

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摘要

An effective measuring method for characterizing the planar periodic structure on specimen surface, i.e., inverse laser scanning confocal microscopy moire method, is presented and verified by experiments in this paper. The planar character of the periodic surface structure in a large region of several hundreds of millimeters, as well as the dimension at micro- and nanoscales, can be obtained through seeking the specimen grating equation as well as the virtual strain distribution. Verification experiment is carried out using a 1200 lines/mm holography grating as the specimen. The calculated results are in good coincidence with the actual character, demonstrating the validity, feasibility, and high accuracy of this method. Applying this method into identifying the structure of butterfly wing, gratings composed of a cluster of curves with pitches of a little less than 438 nm are found on multiscales of butterfly wing, which provides the possibility for further explaining its attractive iridescence. Furthermore, this method is greatly promising for providing simple, reliable support for bionics, grating fabrication, and maybe the sliding mechanism of crystal lattice.
机译：本文提出了一种有效的表征样品表面平面周期性结构的方法，即逆激光扫描共聚焦显微莫尔条纹法，并通过实验进行了验证。通过寻找样品光栅方程以及虚拟应变分布，可以获得数百毫米大范围内的周期性表面结构的平面特征以及微米和纳米尺度的尺寸。使用1200线/毫米的全息光栅作为标本进行验证实验。计算结果与实际特征吻合良好，证明了该方法的有效性，可行性和准确性。将这种方法应用于识别蝴蝶翅膀的结构时，在蝴蝶翅膀的多尺度上发现了由节距小于438 nm的曲线簇组成的光栅，这为进一步解释其诱人的虹彩提供了可能性。此外，该方法有望为仿生学，光栅制造以及可能的晶格滑动机理提供简单，可靠的支持。

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