Propagation of polarized light beams through biological tissues

Steven L. Jacques, Jessica R. Ramella-Roman

Research output: Chapter in Book/Report/Conference proceedingChapter

12 Scopus citations

Abstract

The rate of randomization of linearly polarized light as a collimated polarized beam passes through scattering media was characterized by a diffusivity (χ) [radians2/mean free path] in the angle space (θ) describing orientation of the linear polarization: probability of orientation at an angle p(θ) = exp(-θ2/(2σ2))/(σ sqrt(π/2)) where σ = χτ and τ is the mean free path (μsL) where μs is the scattering coefficient [cm-1] and L is sample thickness [cm]. The media studied were polystyrene microsphere solutions, liver, muscle, and skin. The χ for microspheres ranged from 0.80-0.03 ffor 300-6000 nm diameter, and was 0.28 for skin, 0.06 for muscle, and 0.003 for liver.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
PublisherSociety of Photo-Optical Instrumentation Engineers
Pages345-352
Number of pages8
Volume3914
StatePublished - 2000
Externally publishedYes
EventLaser-Tissue Interaction XI: Photochemical, Photothermal, and Photomechanical - San Jose, CA, USA
Duration: Jan 22 2000Jan 27 2000

Other

OtherLaser-Tissue Interaction XI: Photochemical, Photothermal, and Photomechanical
CitySan Jose, CA, USA
Period1/22/001/27/00

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

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