Extended imaging depth to 12 mm for 1050-nm spectral domain optical coherence tomography for imaging the whole anterior segment of the human eye at 120-kHz A …

P Li, L An, G Lan, M Johnstone… - … of Biomedical Optics, 2013 - spiedigitallibrary.org
P Li, L An, G Lan, M Johnstone, D Malchow, RK Wang
Journal of Biomedical Optics, 2013spiedigitallibrary.org
We demonstrate a 1050-nm spectral domain optical coherence tomography (OCT) system
with a 12 mm imaging depth in air, a 120 kHz A-scan rate and a 10 μ m axial resolution for
anterior-segment imaging of human eye, in which a new prototype InGaAs linescan camera
with 2048 active-pixel photodiodes is employed to record OCT spectral interferograms in
parallel. Combined with the full-range complex technique, we show that the system delivers
comparable imaging performance to that of a swept-source OCT with similar system …
Abstract
We demonstrate a 1050-nm spectral domain optical coherence tomography (OCT) system with a 12 mm imaging depth in air, a 120 kHz A-scan rate and a 10 μm axial resolution for anterior-segment imaging of human eye, in which a new prototype InGaAs linescan camera with 2048 active-pixel photodiodes is employed to record OCT spectral interferograms in parallel. Combined with the full-range complex technique, we show that the system delivers comparable imaging performance to that of a swept-source OCT with similar system specifications.
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