High-speed real-time digital hologram rendering at 60,000 frames per second for Doppler imaging and optical coherence tomography

Michael Atlan; Julien Nicolle; Damien Didier; Sacha Bellier; David Chemaly; Adrien Langou; Philippe Bernet; Eliott Bouhana; Fabien Colmagro; Marius Dubosc; Guillaume Poisson; Nicolas Blin; Ilan Guenet; Theo Lepage; Quentin Kaci; Anthony Strazzella; Thomas Jarrossay; Loic Bellonnet-Mottet; Antoine Martin

doi:10.1117/12.3003371

13 March 2024 High-speed real-time digital hologram rendering at 60,000 frames per second for Doppler imaging and optical coherence tomography

Michael Atlan, Julien Nicolle, Damien Didier, Sacha Bellier, David Chemaly, Adrien Langou, Philippe Bernet, Eliott Bouhana, Fabien Colmagro, Marius Dubosc, Guillaume Poisson, Nicolas Blin, Ilan Guenet, Theo Lepage, Quentin Kaci, Anthony Strazzella, Thomas Jarrossay, Loic Bellonnet-Mottet, Antoine Martin

Author Affiliations +

Proceedings Volume PC12853, High-Speed Biomedical Imaging and Spectroscopy IX; PC1285303 (2024) https://doi.org/10.1117/12.3003371
Event: SPIE BiOS, 2024, San Francisco, California, United States

Abstract

Real-time digital hologram rendering in ophthalmology faces challenges with high-bitrate image streams. A software called holovibes designed a digital hologram rendering engine, utilizing spatial and temporal signal demodulation operations. It achieves real-time rendering from a 60,000 frames per second stream of 12-bit, 256x256 pixel interferograms, enabling high-quality Doppler imaging and optical coherence tomography (OCT) of the retina. Additionally, sustained real-time 3D OCT image rendering is achieved through short-time analysis of pre-recorded optical interferogram data, transferred at ~7.7 GB/s. Doppler and OCT renderings are done at ~3.8 Giga voxels/s over 512 consecutive frames.

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Michael Atlan, Julien Nicolle, Damien Didier, Sacha Bellier, David Chemaly, Adrien Langou, Philippe Bernet, Eliott Bouhana, Fabien Colmagro, Marius Dubosc, Guillaume Poisson, Nicolas Blin, Ilan Guenet, Theo Lepage, Quentin Kaci, Anthony Strazzella, Thomas Jarrossay, Loic Bellonnet-Mottet, and Antoine Martin "High-speed real-time digital hologram rendering at 60,000 frames per second for Doppler imaging and optical coherence tomography", Proc. SPIE PC12853, High-Speed Biomedical Imaging and Spectroscopy IX, PC1285303 (13 March 2024); https://doi.org/10.1117/12.3003371

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KEYWORDS

Digital holography

Coherence imaging

Doppler tomography

Optical coherence tomography

Holograms

Optical imaging

Interferograms

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