Exploring multimode fiber's contribution to coherent crosstalk noise suppression with spatio-temporal optical coherence tomography (STOC-T)

Piotr F. Wegrzyn; Marta Mikuła-Zdańkowska; Dawid Borycki; Egidijus, Auksorius; Maciej Wojtkowski

doi:10.1117/12.3005712

13 March 2024 Exploring multimode fiber's contribution to coherent crosstalk noise suppression with spatio-temporal optical coherence tomography (STOC-T)

Piotr F. Wegrzyn, Marta Mikuła-Zdańkowska, Dawid Borycki, Egidijus, Auksorius, Maciej Wojtkowski

Author Affiliations +

Proceedings Volume PC12830, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXVIII; PC1283022 (2024) https://doi.org/10.1117/12.3005712
Event: SPIE BiOS, 2024, San Francisco, California, United States

Abstract

The progress made in optical coherence tomography (OCT) has facilitated the noninvasive observation of biological structures. While Fourier-Domain Full-Field OCT (FD-FF-OCT) enables rapid collection of volumetric data, it encounters challenges arising from coherent noise. To tackle this issue, we introduced STOC-T ľ spatial-temporal optical coherence tomography, which utilizes spatial phase modulation alleviate crosstalk interference. This research thoroughly investigates the characteristics of optical fibers in the context of STOC-T, crafted for volumetric imaging and the mitigation of coherent crosstalk noise. We assess the effects of multimode fibers and execute a performance analysis employing a purpose-designed scattering phantom. Our presentation encompasses detailed insights into the experimental arrangement and outcomes, emphasizing noise reduction. We also explore hurdles like determining the ideal fiber length, analyzing speckle patterns, and ensuring signal quality. Through a meticulous selection process of multimode fibers, we amplify the potential of STOC-T for structural and functional retinal imaging.

Conference Presentation

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Piotr F. Wegrzyn, Marta Mikuła-Zdańkowska, Dawid Borycki, Egidijus, Auksorius, and Maciej Wojtkowski "Exploring multimode fiber's contribution to coherent crosstalk noise suppression with spatio-temporal optical coherence tomography (STOC-T)", Proc. SPIE PC12830, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXVIII, PC1283022 (13 March 2024); https://doi.org/10.1117/12.3005712

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KEYWORDS

Optical coherence tomography

Crosstalk

Multimode fibers

Optical coherence

Biological imaging

Coherence imaging

Speckle

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