期刊
BIOMEDICAL OPTICS EXPRESS
卷 4, 期 7, 页码 1188-1203出版社
Optica Publishing Group
DOI: 10.1364/BOE.4.001188
关键词
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资金
- European Commission Seventh Framework Programme (FP7) HEALTH program [201880]
- Austrian Science Foundation (FWF) [APP21570FW]
- Austrian Research Promotion Agency (FFG) [FA 607A0502]
- Christian Doppler Laboratory for Laser Development and their Application in Medicine
- Austrian Science Fund (FWF) [P 21570] Funding Source: researchfish
Traditional Doppler OCT is highly sensitive to motion artifacts due to the dependence on the Doppler angle. This limits its accuracy in clinical practice. To overcome this limitation, we use a bidirectional dual beam technique equipped with a novel rotating scanning scheme employing a Dove prism. The volume is probed from two distinct illumination directions with variable controlled incidence plane, allowing for reconstruction of the true flow velocity at arbitrary vessel orientations. The principle is implemented with Swept Source OCT at 1060nm with 100,000 A-Scans/s. We apply the system to resolve pulsatile retinal absolute blood velocity by performing segment scans around the optic nerve head and circumpapillary scan time series. (C) 2013 Optical Society of America
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