Photonics Research, 2020, 8 (4): 04000539, Published Online: Mar. 30, 2020   

Wide-field ophthalmic space-division multiplexing optical coherence tomography Download: 521次

Author Affiliations
1 Department of Electrical and Computer Engineering, Lehigh University, Bethlehem, Pennsylvania 18015, USA
2 Department of Biomedical Engineering, Washington University in St. Louis, St. Louis, Missouri 63130, USA
3 Scheie Eye Institute, Penn Presbyterian Medical Center, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
4 Department of Bioengineering, Lehigh University, Bethlehem, Pennsylvania 18015, USA
Abstract
High-speed ophthalmic optical coherence tomography (OCT) 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 that takes advantage of the long coherence length of microelectromechanical vertical cavity surface emitting laser 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/s with volumetric images covering up to 12.5 mm×7.4 mm on the retina and captured in less than 1 s. 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.

Jason Jerwick, Yongyang Huang, Zhao Dong, Adrienne Slaudades, Alexander J. Brucker, Chao Zhou. Wide-field ophthalmic space-division multiplexing optical coherence tomography[J]. Photonics Research, 2020, 8(4): 04000539.

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