Decorrelation-based localized transverse flow measurement by digitally control the lateral resolution in line-field optical coherence tomography

Le Han; Bingyao Tan; Bingyao Tan; Bingyao Tan; Leopold Schmetterer; Leopold Schmetterer; Leopold Schmetterer; Kostadinka Bizheva; Kostadinka Bizheva; Kostadinka Bizheva

European Conferences on Biomedical Optics 2021 (ECBO)
OSA Technical Digest (Optica Publishing Group, 2021),
paper ETh2C.5

Decorrelation-based localized transverse flow measurement by digitally control the lateral resolution in line-field optical coherence tomography

Le Han, Bingyao Tan, Leopold Schmetterer, and Kostadinka Bizheva

European Conference on Biomedical Optics 2021

Munich Germany
20–24 June 2021
ISBN: 978-1-943580-95-8

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Polarization, Phase and Signal Processing (ETh2C)

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L. Han, B. Tan, L. Schmetterer, and K. Bizheva, "Decorrelation-based localized transverse flow measurement by digitally control the lateral resolution in line-field optical coherence tomography," in European Conferences on Biomedical Optics 2021 (ECBO), OSA Technical Digest (Optica Publishing Group, 2021), paper ETh2C.5.

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Abstract

We demonstrate a novel decorrelation-based localized transverse flow measurement using a line-field OCT system. The lateral resolution along the line illumination direction is controlled by digitally altering the aperture size and provides a contrast only depends on the speed and resolution along that direction in the decorrelation function. The results from a capillary phantom experiment are highly correlated with the subaperture-based Doppler OCT ground truth.

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