Simulated BRDF based on measured surface topography of metal

Haiyue Yang; Tobias Haist; Marc Gronle; Wolfgang Osten

doi:10.1117/12.2269978

26 June 2017 Simulated BRDF based on measured surface topography of metal

Haiyue Yang, Tobias Haist, Marc Gronle, Wolfgang Osten

Proceedings Volume 10334, Automated Visual Inspection and Machine Vision II; 1033405 (2017) https://doi.org/10.1117/12.2269978
Event: SPIE Optical Metrology, 2017, Munich, Germany

Abstract

The radiative reflective properties of a calibration standard rough surface were simulated by ray tracing and the Finite-difference time-domain (FDTD) method. The simulation results have been used to compute the reflectance distribution functions (BRDF) of metal surfaces and have been compared with experimental measurements. The experimental and simulated results are in good agreement.

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Haiyue Yang, Tobias Haist, Marc Gronle, and Wolfgang Osten "Simulated BRDF based on measured surface topography of metal", Proc. SPIE 10334, Automated Visual Inspection and Machine Vision II, 1033405 (26 June 2017); https://doi.org/10.1117/12.2269978

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KEYWORDS

Bidirectional reflectance transmission function

Finite-difference time-domain method

Metals

Ray tracing

Reflectivity

Confocal microscopy

Reflection

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