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Design & development of a galvanometer inspired dual beam optical coherence tomography system for flow velocity quantification of the microvasculature
Date
2011
Abstract
This paper reports initial experimentation of a dual beam flow velocity estimation setup based on optical coherence tomography (OCT) for biomedical applications. The proposed work incorporates a low cost switching mechanism (rotating galvanometer mirror) for optical signal discrimination between adjacent fiber channels enabling quasisimultaneous multiple specimen scanning. A cascaded interferometric design is used with two sample output arms orientated in parallel to eachother. A cross-correlation computation between these two parallel sample beams yields a relative time delay, enabling assessment and quantification of flow velocities.
Supervisor
Description
peer-reviewed
Publisher
Society of Photo-Optical Instrumentation Engineers (SPIE)
Citation
SPIE OSA;8091, 809121
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Files
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Daly%2CSM.pdf
Adobe PDF, 402.81 KB
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Funding code
Funding Information
Irish Research Council for Science, Engineering and Technology (IRCSET), Higher Education Authority (HEA)