本文通过时域有限差分法求解 M-well 方程组,分析微结构表面与入射辐射间的相互作用,结合近场 - 远场辐射转换模型,获得了尺寸、温度和入射波长等参数对表面双向反射分布函数的影响规律,研究结果为热辐射的光谱和方向调控技术提供了数值基础.
The FDTD (Finite Difference Time Domain) method is employed to solve the Maxwell's equations and to analyze the interaction of surface microstructure and incident radiation. Based on the near-to-far field transformation model, the effects of dimension parametexs, temperature and incident wavelength on surface BRDF (Bidirectional Reflectance Distribution Function) are obtained.The results offer a numerical foundation to control spectral and directional properties of thermal radiation.
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