Abstract

Here we studied the light transport initiated by oblique illumination of a turbid cylinder on its top or barrel with a pencil beam. The pencil beam was approximated by an isotropic point source according to the incident point and angle. Solutions were derived for the steady-state, frequency, and time domains. Time- and spatially resolved reflectance results with different incident angles agreed well with those of Monte Carlo simulations. A method to determine optical properties using the time- and spatially resolved reflectance results along the z direction was proposed for the light incident on the cylinder barrel. Analytical solutions can improve analysis of turbid cylindrical media with incident illumination and effective optical properties reconstruction.

© 2018 Optical Society of America

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