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 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.
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