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Low-coherence optical tomography in turbid tissue: Theoretical analysis

  • Yingtian Pan
  • , Reginald Birngruber
  • , Jürgen Rosperich
  • , Ralf Engelhardt
  • Ger

Research output: Contribution to journalArticlepeer-review

178 Scopus citations

Abstract

On the basis of white-light interferometry and statistical optics, a theoretical model for low-coherence optical tomography is presented that establishes the relation of interference modulation with path-length-resolved reflectance and that can provide analytical expressions and numerical solutions by means of a Fourier transform. The Monte Carlo technique is used to simulate the path-length-resolved reflectance from different multilayer tissue phantoms. Theoretical analyses and preliminary experimental results suggest that, unlike time-resolved spectroscopy, low-coherence optical tomography detects the local relative variations of path-length-resolved reflectance from the turbid tissues.

Original languageEnglish
Pages (from-to)6564-6574
Number of pages11
JournalApplied Optics
Volume34
Issue number28
DOIs
StatePublished - Oct 1995

Keywords

  • Coherence-gated imaging
  • Fourier transform
  • Low-coherence interferometry
  • Path-lengthresolved Monte Carlo simulation
  • Tissue-optical properties

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