Effects of polarization state and scatterer concentration on optical imaging through scattering media

摘要

The imaging resolution in turbid media is severely degraded by light scattering, Resolution can be improved if the unscattered or weakly scattered light is extracted. Here the state of polarization 0f the emerging light is used to discriminate photon path length, with the more weakly scattered photons maintaining their original polarization state. It is experimentally demonstrated that over a wide range of scatterer concentrations there exist three distinct imaging regimes. It is also shown that within the intermediate regime one of two distinct imaging techniques is appropriate, depending on the particle. #1997 Optical Society of America