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首页> 外文期刊>Tamkang Journal of Science and Engineering >Finite Difference Time Domain Analysis of Sub-Wavelength Conical Structured Array for Antireflective Application
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Finite Difference Time Domain Analysis of Sub-Wavelength Conical Structured Array for Antireflective Application

机译：亚波长锥形结构阵列抗反射应用的时域有限差分分析

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摘要

Antireflection structured surface was analyzed by a finite difference time domain (FDTD) method in the visible light spectrum. The antireflection structured array was conical moth-eye structures. Comparing the reflectance of different aspect ratios by the FDTD method, we found that the reflectance was less than 1% when the aspect ratio was larger than 0.8 in the visible light spectrum. In order to confirm the results by this simulation method, the conical structured arrays of a polymer film were fabricated by the holographic lithography and a following replicating process. The conical structured arrays were fabricated with the periodic length of 350 nm and the height of 300 nm. The simulation results by FDTD method were compared with those by the fabricated sub-wavelength structures. The experimental results showed highly consistent with the simulation results.
机译：通过可见光光谱中的时差有限差分法（FDTD）对减反射结构化表面进行了分析。防反射结构的阵列是圆锥形的蛾眼结构。通过FDTD方法比较不同纵横比的反射率，我们发现当纵横比大于0.8时，可见光谱中的反射率小于1％。为了通过该模拟方法确认结果，通过全息光刻和随后的复制工艺来制造聚合物膜的圆锥形结构阵列。圆锥形结构阵列的周期长度为350 nm，高度为300 nm。将FDTD方法的仿真结果与所制备的亚波长结构的仿真结果进行了比较。实验结果与仿真结果高度吻合。

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