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5 March 2021 Optical phase modulation by natural eye movements: application to time-domain FF-OCT image retrieval
Viacheslav Mazlin, Peng Xiao, Kristina Irsch, Jules Scholler, Kassandra Groux, Kate Grieve, Mathias Fink, Claude Boccara
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Proceedings Volume 11630, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXV; 116300G (2021) https://doi.org/10.1117/12.2583413
Event: SPIE BiOS, 2021, Online Only
Abstract
Eye movements are commonly seen as an obstacle to high-resolution ophthalmic imaging. In this context we study the natural axial movements of in vivo human eye and show that they can be used to modulate the optical phase and retrieve tomographic images via time-domain full-field optical coherence tomography (TD-FF-OCT). This approach opens a path to a simplified ophthalmic TD-FF-OCT device, operating without the usual piezo motor-camera synchronization. The device demonstrates in vivo human corneal images under different image retrieval schemes (2-phase and 4-phase) and different exposure times (3.5 ms, 10 ms, 20 ms).
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Viacheslav Mazlin, Peng Xiao, Kristina Irsch, Jules Scholler, Kassandra Groux, Kate Grieve, Mathias Fink, and Claude Boccara "Optical phase modulation by natural eye movements: application to time-domain FF-OCT image retrieval", Proc. SPIE 11630, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXV, 116300G (5 March 2021); https://doi.org/10.1117/12.2583413
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KEYWORDS
Eye
Image retrieval
Phase modulation
In vivo imaging
Modulation
Optical coherence tomography
Phase shift keying
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