1Institute of Physical Chemistry (Poland) 2Institute of Physical Chemistry PAS (Poland) 3Center for Physical Sciences and Technology (Lithuania) 4Oculomedica (Poland)
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Fourier-domain full-field optical coherence tomography (FD-FF-OCT) is currently the fastest volumetric imaging technique that is able to generate a single 3D data volume in less than 10 ms. FD-FF-OCT is based on a fast camera, a rapidly tunable laser source and a Fourier-domain signal detection. However, crosstalk corrupts images with speckle and therefore lowers image quality. Corneal imaging with FD-FF-OCT is also challenging since the laser focuses down on the retina causing safety concerns. We present spatially incoherent FD-FF-OCT system that reduces crosstalk noise in retina images and enables corneal imaging by reducing spatial coherence of the laser.
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Egidijus Auksorius, Dawid Borycki, Kamil Lizewski, Slawomir Tomczewski, Ieva Zickiene, Piotr Wegrzyn, Karolis Adomavicius, Bartosz L Sikorski, Maciej Wojtkowski, "In vivo imaging of human retina and cornea with spatially incoherent Fourier-domain full-field optical coherence tomography," Proc. SPIE 11623, Ophthalmic Technologies XXXI, 116231H (5 March 2021); https://doi.org/10.1117/12.2578899