Recovery of depth distributions of the backscattering efficiency in layered media using the detrending of OCT signals

E. V. Ushakova; S. S. Volchkov; E. M. Artemina; D. A. Zimnykov

doi:10.1117/12.2564509

9 April 2020 Recovery of depth distributions of the backscattering efficiency in layered media using the detrending of OCT signals

E. V. Ushakova, S. S. Volchkov, E. M. Artemina, D. A. Zimnykov

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Proceedings Volume 11457, Saratov Fall Meeting 2019: Optical and Nano-Technologies for Biology and Medicine; 114571M (2020) https://doi.org/10.1117/12.2564509
Event: Saratov Fall Meeting 2019: VII International Symposium on Optics and Biophotonics, 2019, Saratov, Russian Federation

Abstract

The interpretation of OCT signals from layered strongly scattering media in the form of the sum of a diffuse and lowstep- scattered components is discussed. It is shown that when the latter component dominates over the diffuse contribution, the depth distribution of the backscattering efficiency can be recovered using the detrending of exponential attenuation of the OCT signal. The feasibility conditions for such detrending are discussed. Examples of experimental verification of this approach are presented.

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E. V. Ushakova, S. S. Volchkov, E. M. Artemina, and D. A. Zimnykov "Recovery of depth distributions of the backscattering efficiency in layered media using the detrending of OCT signals", Proc. SPIE 11457, Saratov Fall Meeting 2019: Optical and Nano-Technologies for Biology and Medicine, 114571M (9 April 2020); https://doi.org/10.1117/12.2564509

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KEYWORDS

Optical coherence tomography

Backscatter

Skin

Tissues

Signal attenuation

Refractive index

Scattering

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