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9 March 2023 Diffused-illumination full-field swept-source optical coherence tomography
Léo Puyo, Clara Pfäffle, Hendrik Spahr, Daniel Bublitz, Dierck Hillmann, Gereon Hüttmann
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Proceedings Volume PC12367, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXVII; PC123670P (2023) https://doi.org/10.1117/12.2647552
Event: SPIE BiOS, 2023, San Francisco, California, United States
Abstract
Full-field swept-source optical coherence tomography (FF-SS-OCT) presents promising capabilities, particularly for ophthalmic imaging. One current limitation is that the extent of the field of view is limited by safety considerations due to the laser focused in front of the eye. Another limitation is that speckle-noise decreases the quality of images. We here used a diffuser that serves the dual purpose of increasing the size of the laser hot spot and reducing speckle-noise. We show that speckle-noise in OCT images can be reduced when moving the diffuser and averaging multiple volumes.
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Léo Puyo, Clara Pfäffle, Hendrik Spahr, Daniel Bublitz, Dierck Hillmann, and Gereon Hüttmann "Diffused-illumination full-field swept-source optical coherence tomography", Proc. SPIE PC12367, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXVII, PC123670P (9 March 2023); https://doi.org/10.1117/12.2647552
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KEYWORDS
Optical coherence tomography
Diffusers
Holography
Eye
Holograms
Laser safety
Ophthalmic imaging
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