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  • Title: Wide-field Ophthalmic Space-Division Multiplexing Optical Coherence Tomography.
    Author: Jerwick J, Huang Y, Dong Z, Slaudades A, Brucker AJ, Zhou C.
    Journal: Photonics Res; 2020 Apr; 8(4):539-547. PubMed ID: 34222553.
    Abstract:
    High-speed ophthalmic optical coherence tomography systems are of interest because they allow rapid, motion-free, and wide-field retinal imaging. Space-division multiplexing optical coherence tomography (SDM-OCT) is a high-speed imaging technology which takes advantage of the long coherence length of microelectromechanical vertical cavity surface emitting laser (MEMs VCSEL) sources to multiplex multiple images along a single imaging depth. We demonstrate wide-field retinal OCT imaging, acquired at an effective A-scan rate of 800,000 A-scans/sec with volumetric images covering up to 12.5 mm × 7.4 mm on the retina acquired in less than 1 second. A clinical feasibility study was conducted to compare the ophthalmic SDM-OCT with commercial OCT systems, illustrating the high-speed capability of SDM-OCT in a clinical setting.
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