Frequency-Domain Photon Migration in Two-Layered Tissues

Michal Rosen-Zvi, Haim Taitelbaum

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

We study frequency-domain spectroscopy for reflectance measurements in two-layered tissues, using a random-walk model of photon migration. We study the phase shift of the reflected light as a function of the source-detector separation, and show that there can be as many as three different types of behavior of this quantity, depending on the relation between the modulated frequency and the absorptivities of both layers. As a result, the possibility of determining the absorptivities of the two layers and the upper layer thickness from the phase shift is different in each regime.

Original languageEnglish
Title of host publicationBiomedical Optical Spectroscopy and Diagnostics, BOSD 1996
PublisherOptica Publishing Group (formerly OSA)
Pages101-104
Number of pages4
ISBN (Electronic)1557524270
StatePublished - 1996
EventBiomedical Optical Spectroscopy and Diagnostics, BOSD 1996 - Orlando, United States
Duration: 1 Jan 199618 Mar 1996

Publication series

NameOptics InfoBase Conference Papers
ISSN (Electronic)2162-2701

Conference

ConferenceBiomedical Optical Spectroscopy and Diagnostics, BOSD 1996
Country/TerritoryUnited States
CityOrlando
Period1/01/9618/03/96

Bibliographical note

Publisher Copyright:
© 1996 Optical Society of America.

Keywords

  • Frequency-domain
  • Layered tissues
  • Light propagation in tissues
  • Optical diagnostics for medicine
  • Phase shift
  • Random-walk

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