Vol. 42, Issue 1, pp. 7-22

  1. Archive
  2. Optica Applicata Vol. 42, Issue 1, pp. 7-22 (2012)
Vol. 42 Issue 1 pp. 7-22

Multispectral polarized BRDF: design of a highly resolved reflectometer and development of a data inversion method

Nicolas Riviere, Romain Ceolato, Laurent Hespel

Keywords

bidirectional reflectance distribution function (BRDF), degree of linear polarization (DOLP), multispectral, polarization, light scattering, paint coatings, inverse method, optimization

Abstract

Multispectral and polarized light reflectance measurements are very useful to characterize materials such as paint coatings. This article presents an overview of an automated high-angular resolved, in-plane multispectral polarized reflectometer and its calibration process. A comprehensive study based on multispectral BRDF and DOLP measurements is conducted on different colour and glossy aspects of paint coatings. An original inverse method from in-plane measurements is used to model the out-of-plane BRDF and to investigate the role of the surface and subsurface scattering phenomena in its components.

Vol. 42
Issue 1
pp. 7-22

0.34 MB
OPTICA APPLICATA - a quarterly of the Wrocław University of Science and Technology, Faculty of Fundamental Problems of Technology