Analysis of the spatial distribution of polarized light backscattered from layered scattering media

The scattering of polarized light from a two layer scattering medium is investigated using Monte Carlo simulations. First order and normalized second order moments are used to analyze the spatial properties of the emerging light in different polarization states. Linearly and circularly polarized ill...

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Bibliographic Details
Published in:Journal of Biomedical Optics 2002-07, Vol.7 (3), p.313-320
Main Authors: Stockford, I. M, Morgan, S. P, Chang, P. C. Y, Walker, J. G
Format: Article
Language:English
Subjects:
Biophysical Phenomena
Biophysics
Burns - pathology
Humans
layer thickness
Melanoma - pathology
Mie scattering
Models, Biological
Monte Carlo
Monte Carlo Method
Optics and Photonics
polarization
Scattering, Radiation
Skin Neoplasms - pathology
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Summary:The scattering of polarized light from a two layer scattering medium is investigated using Monte Carlo simulations. First order and normalized second order moments are used to analyze the spatial properties of the emerging light in different polarization states. Linearly and circularly polarized illumination is used to probe different depths. Absorption and layer thickness are varied and it is demonstrated that the determination of these values is aided by the inclusion of polarization information. The lateral and depth localization of light by polarization subtraction is also quantified. Potential applications of these techniques are burn depth and melanoma thickness measurements. ©
ISSN:1083-3668
1560-2281
DOI:10.1117/1.1483316