Multipath contrast imaging in endoscopic multimodal optical coherence tomography

Adrian Tanskanen; Jeanie Malone; Calum MacAulay; Pierre Lane

doi:10.1117/12.2649163

6 March 2023 Multipath contrast imaging in endoscopic multimodal optical coherence tomography

Adrian Tanskanen, Jeanie Malone, Calum MacAulay, Pierre Lane

Proceedings Volume PC12371, Multimodal Biomedical Imaging XVIII; PC1237103 (2023) https://doi.org/10.1117/12.2649163
Event: SPIE BiOS, 2023, San Francisco, California, United States

Abstract

Multimodal imaging that includes optical coherence tomography and a secondary imaging modality in small single-channel endoscopes is often implemented using double-clad fiber (DCF). Unfortunately, the properties of DCF cladding modes generate multipath OCT artifacts degrading image quality. Curiously, the en face mean intensity projection of these multipath artifacts is a high quality image. The differential scattering of en face projections from the image and artifact could be used as an additional imaging modality, sensitive to sub-resolution features. Multipath artifacts are inherent to DCF-based OCT, meaning a wealth of previously acquired data could be explored using this technique.

Conference Presentation

Citation Download Citation

Adrian Tanskanen, Jeanie Malone, Calum MacAulay, and Pierre Lane "Multipath contrast imaging in endoscopic multimodal optical coherence tomography", Proc. SPIE PC12371, Multimodal Biomedical Imaging XVIII, PC1237103 (6 March 2023); https://doi.org/10.1117/12.2649163

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