Scanning dynamic light scattering optical coherence tomography for measurement of high omnidirectional flow velocities

Konstantine Cheishvili; Jeroen Kalkman

doi:10.1117/12.2648508

8 March 2023 Scanning dynamic light scattering optical coherence tomography for measurement of high omnidirectional flow velocities

Konstantine Cheishvili, Jeroen Kalkman

Author Affiliations +

Proceedings Volume 12367, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXVII; 123670B (2023) https://doi.org/10.1117/12.2648508
Event: SPIE BiOS, 2023, San Francisco, California, United States

Abstract

We show scanning dynamic light scattering optical coherence tomography (OCT) omnidirectional flow measurements. Our method improves the velocity measurement limit over conventional correlation-based or phaseresolved Doppler OCT by more than a factor of 2. Our technique is applicable without a-priori knowledge of the flow geometry as our method works both for non-zero Doppler angle and non-ideal scan alignment. In addition, the method improves the particle diffusion coefficient estimation for particles under flow.

Conference Presentation

Citation Download Citation

Konstantine Cheishvili and Jeroen Kalkman "Scanning dynamic light scattering optical coherence tomography for measurement of high omnidirectional flow velocities", Proc. SPIE 12367, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXVII, 123670B (8 March 2023); https://doi.org/10.1117/12.2648508

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