Direct and inverse problems of weak scattering from quasi-homogeneous biological tissue

Research output: Contribution to journalArticle

Abstract

The well-established model for the spatial correlation function of the refractive index fluctuations in a statistically stationary biological tissue [Sheppard CJR. Fractal model of light scattering in biological tissue and cells. Opt Lett. 2007;32:142–144] is applied to the direct scattering problem of light within the validity regimes of the first-order Born approximation and the quasi-homogeneous approximation. It is analytically found how the far-zone angular distribution of the scattered spectral density is related to the parameters of the bio-tissues refractive index correlation function. Then the inverse problem of reconstructing the parameters of the bio-tissues correlation function from several measurements of the scattered spectral density is solved analytically. These results are of importance for medical diagnostics in soft tissues.

Original languageEnglish (US)
Pages (from-to)241-249
Number of pages9
JournalWaves in Random and Complex Media
Volume30
Issue number2
DOIs
StatePublished - Apr 2 2020

Keywords

  • Born approximation
  • Quasi-homogeneous
  • biological tissue
  • spectral density
  • weak scattering

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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