Quantitative assessment of submicron scale anisotropy in tissue multifractality by scattering Mueller matrix in the framework of Born approximation

Nandan Kumar Das, Rajib Dey, Semanti Chakraborty, Prasanta K. Panigrahi, Igor Meglinski*, Nirmalya Ghosh

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

A number of tissue-like disordered media exhibit local anisotropy of scattering in the scaling behavior. Scaling behavior contains wealth of fractal or multifractal properties. We demonstrate that the spatial dielectric fluctuations in a sample of biological tissue exhibit multifractal anisotropy. Multifractal anisotropy encoded in the wavelength variation of the light scattering Mueller matrix and manifesting as an intriguing spectral diattenuation effect. We developed an inverse method for the quantitative assessment of the multifractal anisotropy. The method is based on the processing of relevant Mueller matrix elements in Fourier domain by using Born approximation, followed by the multifractal analysis. The approach promises for probing subtle micro-structural changes in biological tissues associated with the cancer and precancer, as well as for non-destructive characterization of a wide range of scattering materials.

Original languageEnglish
Pages (from-to)172-178
Number of pages7
JournalOptics Communications
Volume413
Early online date29 Dec 2017
DOIs
Publication statusPublished - 15 Apr 2018

Keywords

  • Anisotropy of scattering
  • Biological tissues
  • Born approximation
  • Mueller matrix
  • Polarization

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