13.5 MHz circular-ranging optical coherence tomography of the human retina

Tae Shik Kim; Boy Braaf; Yongjoo Kim; Danielle J. Harper; Benjamin J. Vakoc

doi:10.1117/12.2613017

7 March 2022 13.5 MHz circular-ranging optical coherence tomography of the human retina

Tae Shik Kim, Boy Braaf, Yongjoo Kim, Danielle J. Harper, Benjamin J. Vakoc

Proceedings Volume PC11948, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXVI; PC119480M (2022) https://doi.org/10.1117/12.2613017
Event: SPIE BiOS, 2022, San Francisco, California, United States

Abstract

Intraoperative OCT can markedly enhance visualization in both posterior and anterior eye procedures. In these applications, imaging speed is paramount, as slower systems interfere with surgical workflow. We have previously introduced a circular-ranging (CR) OCT architecture optimized for high-speed intraoperative applications. Here, we demonstrate retinal imaging by CR-OCT for the first time. We achieved a 13.5 MHz A-line rate and performed high-quality wide-field and video-rate normal-field imaging in human subjects. The compressive properties of CR allow each of these imaging modes to operate with reduced data capture, easing acquisition and processing requirements that are critical to achieving continuous and low-latency imaging.

Conference Presentation

Citation Download Citation

Tae Shik Kim, Boy Braaf, Yongjoo Kim, Danielle J. Harper, and Benjamin J. Vakoc "13.5 MHz circular-ranging optical coherence tomography of the human retina", Proc. SPIE PC11948, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXVI, PC119480M (7 March 2022); https://doi.org/10.1117/12.2613017

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