Spectrally extended line-field optical coherence tomography angiography

Si Chen; Kan Lin; Xi Chen; Shiliang Lou; Linbo Liu

doi:10.1117/12.2647956

7 March 2023 Spectrally extended line-field optical coherence tomography angiography

Si Chen, Kan Lin, Xi Chen, Shiliang Lou, Linbo Liu

Proceedings Volume PC12378, Dynamics and Fluctuations in Biomedical Photonics XX; PC1237802 (2023) https://doi.org/10.1117/12.2647956
Event: SPIE BiOS, 2023, San Francisco, California, United States

Abstract

We introduce spectrally extended line field (SELF) technique to address some of limitations with the current OCTA, such as relatively small field of view, limited flow dynamic range, and motion artifacts. SELF-OCT acquires signals from multiple transverse positions simultaneously, providing an advantage in the transverse sampling rate. In addition, the allowable light exposure is higher so that there is more sensitivity budget for wide-field and functional imaging. We demonstrate that SELF technique enables improvement in field of view or transverse sampling density, flow dynamic range, sensitivity to slow flow, and motion tracking and correction in the human skin and retina in vivo.

Conference Presentation

Citation Download Citation

Si Chen, Kan Lin, Xi Chen, Shiliang Lou, and Linbo Liu "Spectrally extended line-field optical coherence tomography angiography", Proc. SPIE PC12378, Dynamics and Fluctuations in Biomedical Photonics XX, PC1237802 (7 March 2023); https://doi.org/10.1117/12.2647956

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