Towards understanding speckle pattern formation in optical coherence tomography
(Conference Presentation)

Valentin Demidov; Igor Meglinski; Alexander Doronin; I. Alex Vitkin

doi:10.1117/12.2214519

26 April 2016 Towards understanding speckle pattern formation in optical coherence tomography (Conference Presentation)

Valentin Demidov, Igor Meglinski, Alexander Doronin, I. Alex Vitkin

Proceedings Volume 9707, Dynamics and Fluctuations in Biomedical Photonics XIII; 970709 (2016) https://doi.org/10.1117/12.2214519
Event: SPIE BiOS, 2016, San Francisco, California, United States

Abstract

We consider the mechanism of speckle patterns formation in time-domain and swept source optical coherence tomography (OCT), and introduce a Monte Carlo based model for simulating OCT signals and images. The model takes into account polarization and coherent properties of light, mutual interference of the back-scattering light, and its interference with the reference beam. The developed model is employed to generate OCT images, and to analyze the resultant OCT speckle pattern properties. The model simulation results are compared with experimental measurements, and an interpretation of the speckle patterns formation in terms of its underlying physics is provided.

Conference Presentation

Citation Download Citation

Valentin Demidov, Igor Meglinski, Alexander Doronin, and I. Alex Vitkin "Towards understanding speckle pattern formation in optical coherence tomography (Conference Presentation)", Proc. SPIE 9707, Dynamics and Fluctuations in Biomedical Photonics XIII, 970709 (26 April 2016); https://doi.org/10.1117/12.2214519

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KEYWORDS

Optical coherence tomography

Speckle pattern

Monte Carlo methods

Image analysis

Physics

Polarization

Biomedical optics

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