Experimental validation of the Generalized Harvey-Shack surface scatter theory

Experimental validation of the Generalized Harvey-Shack surface scatter theory
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广义 Harvey-Shack 表面散射理论的实验验证

DOI：
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发表时间：
2020
期刊：
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通讯作者：
Kevin J. Nattinger
Kevin J. Nattinger
中科院分区：
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文献类型：
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作者：
Kevin J. Nattinger

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广义Harvey-Shack(GHS)表面散射理论声称可以在很大范围内预测表面的散射，但还没有得到广泛的实现或测试。这次演讲的重点是为从真实表面预测BRDF提供GHS理论的实验验证。首先，GHS理论在软件中实现。接下来，设计、构建并验证了BRDF测量系统。通过原子力显微镜对光滑、中等和粗糙的表面进行表征，作为GHS理论的输入。对每个表面的BRDF进行了测量和模拟。在几乎所有的情况下，GHS模拟与实验结果都很好地吻合。
The Generalized Harvey-Shack (GHS) surface scatter theory claims to predict scatter from surfaces over a wide domain but has not been widely implemented or tested. The focus of this talk is to provide experimental validation of the GHS theory for the prediction of the BRDF from real surfaces. First, the GHS theory was implemented in software. Next, a BRDF measurement system was designed, built, and validated. Smooth, moderate, and rough surfaces were characterized via AFM as inputs to the GHS theory. The BRDF of each surface was measured and simulated. In nearly all cases, GHS simulations matched well with experimental results.