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  4. Effective directional reflectance modelling of fine-structured surfaces
 
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2025
Conference Paper
Title

Effective directional reflectance modelling of fine-structured surfaces

Abstract
An additive superposition approach is presented to model the effective directional surface reflectance of optically rough fine-textured planar surfaces. As examples, effective reflectance models for randomly droplet-occupied surfaces and for periodic two-dimensional sawtooth-like fine-structured surfaces are constructed and parameterised. Comparative ray-optical simulation results confirm the applicability of the approach to effective reflectance models of optically rough, finely structured surfaces.
Author(s)
Polywka, Andreas
Fraunhofer-Institut für Optronik, Systemtechnik und Bildauswertung IOSB  
Carmer, Carl Friedrich Graf von
Fraunhofer-Institut für Optronik, Systemtechnik und Bildauswertung IOSB  
Mainwork
OCM 2025, 7th International Conference on Optical Characterization of Materials  
Conference
International Conference on Optical Characterization of Materials 2025  
Open Access
DOI
10.24406/publica-4558
File(s)
Effective directional reflectance modelling of fine-structured surfaces.pdf (1006.83 KB)
Rights
CC BY 4.0: Creative Commons Attribution
Language
English
Fraunhofer-Institut für Optronik, Systemtechnik und Bildauswertung IOSB  
Keyword(s)
  • Reflectance modelling

  • macrostructures

  • numerical simulation

  • BRDF

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