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Optics Letters

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  • Vol. 26, Iss. 23 — Dec. 1, 2001
  • pp: 1906–1908

Intraluminal fiber-optic Doppler imaging catheter for structural and functional optical coherence tomography

Xingde Li, Tony H. Ko, and James G. Fujimoto  »View Author Affiliations


Optics Letters, Vol. 26, Issue 23, pp. 1906-1908 (2001)
http://dx.doi.org/10.1364/OL.26.001906


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Abstract

We describe a miniature fiber-optic Doppler imaging catheter for integrated functional and structural optical coherence tomography (OCT) imaging. The Doppler catheter can map blood flow within a vessel as well as image vessel wall structures. A prototype Doppler catheter has been developed and demonstrated for measuring the intraluminal velocity profile in a vessel phantom (conduit). A simple mathematical model is demonstrated to estimate the total flow rate. This estimation technique also enables the spatial range of flow measurements to be extended by approximately two times the normal OCT image-penetration depth. The Doppler OCT catheter could be a powerful device for cardiovascular imaging.

© 2001 Optical Society of America

OCIS Codes
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.3890) Medical optics and biotechnology : Medical optics instrumentation
(170.4500) Medical optics and biotechnology : Optical coherence tomography
(170.6930) Medical optics and biotechnology : Tissue
(170.7050) Medical optics and biotechnology : Turbid media

Citation
Xingde Li, Tony H. Ko, and James G. Fujimoto, "Intraluminal fiber-optic Doppler imaging catheter for structural and functional optical coherence tomography," Opt. Lett. 26, 1906-1908 (2001)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-26-23-1906


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