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Proceedings Article

Propagation of polarized light beams through biological tissues

[+] Author Affiliations
Steven L. Jacques, Jessica C. Ramella-Roman

Oregon Graduate Institute and Oregon Medical Laser Ctr. (USA)

Proc. SPIE 3914, Laser-Tissue Interaction XI: Photochemical, Photothermal, and Photomechanical, 345 (June 13, 2000); doi:10.1117/12.388061
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From Conference Volume 3914

  • Laser-Tissue Interaction XI: Photochemical, Photothermal, and Photomechanical
  • Donald D. Duncan; Jeffrey O. Hollinger; Steven L. Jacques
  • San Jose, CA | January 22, 2000

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.

© (2000) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
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, 345 (June 13, 2000); doi:10.1117/12.388061; http://dx.doi.org/10.1117/12.388061


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