Using dynamic light scattering enhances the imaging capabilities of optical coherence tomography

Klaudia Nowacka; Karol Karnowski; Maciej Wojtkowski; Dawid Borycki

doi:10.1117/12.2670776

11 August 2023 Using dynamic light scattering enhances the imaging capabilities of optical coherence tomography

Klaudia Nowacka, Karol Karnowski, Maciej Wojtkowski, Dawid Borycki

Proceedings Volume 12632, Optical Coherence Imaging Techniques and Imaging in Scattering Media V; 1263218 (2023) https://doi.org/10.1117/12.2670776
Event: European Conferences on Biomedical Optics, 2023, Munich, Germany

Abstract

Optical Coherence Tomography (OCT) is a well-established modality for structural and functional imaging of the biological samples. Conventional scanning OCT combines the low temporal coherence with confocal gating to reject multiply scattered light. However, OCT uses a spatially coherent light source, and thus, is susceptible to speckle noise, which reduces the transverse resolution. We use dynamic light scattering to improve the transverse resolution. The dynamic scattering particles induce speckles, that change over time due to particle displacement. By incoherently averaging OCT images acquired under different particle distributions, we effectively suppress the spatial coherence and improve transverse image resolution.

Citation Download Citation

Klaudia Nowacka, Karol Karnowski, Maciej Wojtkowski, and Dawid Borycki "Using dynamic light scattering enhances the imaging capabilities of optical coherence tomography", Proc. SPIE 12632, Optical Coherence Imaging Techniques and Imaging in Scattering Media V, 1263218 (11 August 2023); https://doi.org/10.1117/12.2670776

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