Propagation of polarized light beams through biological tissues

Steven L. Jacques; Jessica C. Ramella-Roman

doi:10.1117/12.388061

13 June 2000 Propagation of polarized light beams through biological tissues

Steven L. Jacques, Jessica C. Ramella-Roman

Proceedings Volume 3914, Laser-Tissue Interaction XI: Photochemical, Photothermal, and Photomechanical; (2000) https://doi.org/10.1117/12.388061
Event: BiOS 2000 The International Symposium on Biomedical Optics, 2000, San Jose, CA, United States

Abstract

The rate of randomization of linearly polarized light as a collimated polarized beam passes through scattering media was characterized by a diffusivity ((chi) ) (radians²/mean free path) in the angle space ((theta) ) describing orientation of the linear polarization: probability of orientation at an angle p((theta) ) equals exp[-(theta) ²/(2(sigma) ²)]/[(sigma) sqrt((pi) /2)] where (sigma) equals (chi) ^(tau ) and (tau) is the mean free path ((mu) _sL) where (mu) _s is the scattering coefficient (cm^-1) and L is sample thickness (cm). The media studied were polystyrene microsphere solutions, liver, muscle, and skin. The (chi) for microspheres ranged from 0.80 - 0.03 for 300 - 6000 nm diameter, and was 0.28 for skin, 0.06 for muscle, and 0.003 for liver.

Citation Download Citation

Steven L. Jacques and Jessica C. Ramella-Roman "Propagation of polarized light beams through biological tissues", Proc. SPIE 3914, Laser-Tissue Interaction XI: Photochemical, Photothermal, and Photomechanical, (13 June 2000); https://doi.org/10.1117/12.388061

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