Auksorius E, Borycki D, Wojtkowski M. Crosstalk-free volumetric
in vivo imaging of a human retina with Fourier-domain full-field optical coherence tomography.
BIOMEDICAL OPTICS EXPRESS 2019;
10:6390-6407. [PMID:
31853406 PMCID:
PMC6913414 DOI:
10.1364/boe.10.006390]
[Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 11/09/2019] [Accepted: 11/12/2019] [Indexed: 05/05/2023]
Abstract
Fourier-domain full-field optical coherence tomography (FD-FF-OCT) is currently the fastest volumetric imaging technique that is able to generate a single 3-D volume of retina in less than 9 ms, corresponding to a voxel rate of 7.8 GHz. FD-FF-OCT is based on a fast camera, a rapidly tunable laser source, and Fourier-domain signal detection. However, crosstalk appearing due to multiply scattered light corrupts images with the speckle pattern, and therefore, lowers image quality. Here, for the first time, we report on a system that can acquire essentially crosstalk-free volumes of the retina by using a fast deformable membrane. It enables the visualization of choroids and a clear delineation of the retinal layers that is not possible with conventional FD-FF-OCT.
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