- Letter
- Open Access
Depolarization composition of backscattered circularly polarized light
Phys. Rev. A 108, L041502 – Published 24 October, 2023
DOI: https://doi.org/10.1103/PhysRevA.108.L041502
Abstract
We consider the origin of unpolarized light resulting from the backscattering of circularly polarized light by a random turbid tissuelike disperse medium. We reveal the dynamics of the backscattered fraction of unpolarized light, disclosing its meticulous decomposition into two rigorously polarized components characterized by opposing helicities, with fully defined polarization states. Concurrently, their superposition, driven by multiple scattering within the medium, leads to the appearance of a fraction of linear polarization. We emphasize that the in-depth binding of circular polarization memory of light when the helicity flips occurs within the scattering medium, meaning the conservation of spin angular momentum. We anticipate that the results obtained hold significant implications for future studies, particularly in the field of tissue polarimetry and light vortices.
Physics Subject Headings (PhySH)
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