Very high angular selectivity system for measuring backscatter from rough surfaces

Yoshitate Takakura; U. Schon; Patrick Meyrueis

doi:10.1117/12.162651

1 December 1993 Very high angular selectivity system for measuring backscatter from rough surfaces

Yoshitate Takakura, U. Schon, Patrick Meyrueis

Proceedings Volume 1995, Optical Scattering: Applications, Measurement, and Theory II; (1993) https://doi.org/10.1117/12.162651
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

Abstract

After recalling rough surfaces modelling and theoretical study of light scattering from such surfaces, we present in this paper an experimental set-up to measure backscattered light with a very high angular selectivity. The device is then tested for various samples such as white diffusers, ground metallic surfaces and eventually silver mirrors. When the surface is diffusive, very accurate results can be easily obtained. For surfaces with a specular peak, stray scattering from the surrounding can make the measurement very difficult. However, even in that extreme case, we have been able to investigate into the inverse problem thanks to the angular selectivity and have found quite a reasonable value for the correlation length.

Citation Download Citation

Yoshitate Takakura, U. Schon, and Patrick Meyrueis "Very high angular selectivity system for measuring backscatter from rough surfaces", Proc. SPIE 1995, Optical Scattering: Applications, Measurement, and Theory II, (1 December 1993); https://doi.org/10.1117/12.162651

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