Abstract

A simplified model which is based on Mie-theory and vector theory was developed to describe light scattering by a single sphere on a glass plate. Kn an experimental setup a He-Ne laser beam (λ = 0.6328 μm) illuminated a single latex sphere on the surface of a quartz glass plate. The optical system collected the light scattered by the plate and by a single particle with Dp>1 μm in backward direction through the glass plate. The experiment showed the possibility of the detection of individual particles on smooth glass surfaces illuminated from the back using the back scattering light through the glass plate.

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