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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Vol. 17, Iss. 3 — Mar. 1, 2000
  • pp: 484–490

Analysis of optical coherence tomography systems based on the extended Huygens–Fresnel principle

Lars Thrane, Harold T. Yura, and Peter E. Andersen  »View Author Affiliations

JOSA A, Vol. 17, Issue 3, pp. 484-490 (2000)

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We have developed a new theoretical description of the optical coherence tomography (OCT) technique for imaging in highly scattering tissue. The description is based on the extended Huygens–Fresnel principle, valid in both the single- and multiple-scattering regimes. The so-called shower curtain effect, which manifests itself in a standard OCT system, is an inherent property of the present theory. We demonstrate that the shower curtain effect leads to a strong increase in the heterodyne signal in a standard OCT system. This is in contrast to previous OCT models, where the shower curtain effect was not taken into account. The theoretical analysis is verified by measurements on samples consisting of aqueous suspensions of microspheres. Finally, we discuss the use of our new theoretical model for optimization of the OCT system.

© 2000 Optical Society of America

OCIS Codes
(170.1650) Medical optics and biotechnology : Coherence imaging
(170.3660) Medical optics and biotechnology : Light propagation in tissues
(170.4500) Medical optics and biotechnology : Optical coherence tomography
(170.6930) Medical optics and biotechnology : Tissue
(170.7050) Medical optics and biotechnology : Turbid media
(290.4210) Scattering : Multiple scattering

Original Manuscript: March 1, 1999
Revised Manuscript: November 2, 1999
Manuscript Accepted: October 14, 1999
Published: March 1, 2000

Lars Thrane, Harold T. Yura, and Peter E. Andersen, "Analysis of optical coherence tomography systems based on the extended Huygens–Fresnel principle," J. Opt. Soc. Am. A 17, 484-490 (2000)

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