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- Title
Absolute velocity measurement using three-beam spectral-domain Doppler optical coherence tomography.
- Authors
Sharma, P.; Verma, Y.; Kumar, S.; Gupta, P.
- Abstract
We report the development of a three-beam spectral-domain Doppler optical coherence tomography setup that allows single interferometer-based measurement of absolute flow velocity. The setup makes use of galvo-based phase shifting to remove complex conjugate mirror artifact and a beam displacer in the sample arm to avoid cross talk image. The results show that the developed approach allows efficient utilization of the imaging range of the spectral-domain optical coherence tomography setup for three-beam-based velocity measurement.
- Subjects
ABSOLUTE velocity; OPTICAL coherence tomography; DOPPLER effect; INTERFEROMETERS; SPECTRUM analysis; IMAGING systems
- Publication
Applied Physics B: Lasers & Optics, 2015, Vol 120, Issue 3, p539
- ISSN
0946-2171
- Publication type
Article
- DOI
10.1007/s00340-015-6162-5