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Stationary-fiber rotary probe with unobstructed 360° view for optical coherence tomography |
Optics Letters, Vol. 36, Issue 22, pp. 4392-4394 (2011)
http://dx.doi.org/10.1364/OL.36.004392
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Abstract
A side-scanning fiber probe is a critical component for optical coherence tomography in medical imaging and diagnosis. We propose and fabricate an on-axis rotating probe that performs in situ, circumferential scanning that is shadow-free (not susceptible to shadow effects caused by the motor’s wires). A miniature motor that incorporates a bored-out shaft for the optical fiber is located at the distal end of the probe, which results in a more stable and uniform circumferential scan, free from wire-shadow interference effects. More importantly, this design, novel to our knowledge, compared to other probes avoids the insertion losses introduced by optical coupling components and the multitude of optical interfaces, which is very important for sensing weak signals backscattered from structures deep in the tissue.
© 2011 Optical Society of America
OCIS Codes
(110.4500) Imaging systems : Optical coherence tomography
(170.0110) Medical optics and biotechnology : Imaging systems
(170.2150) Medical optics and biotechnology : Endoscopic imaging
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.3890) Medical optics and biotechnology : Medical optics instrumentation
ToC Category:
Medical Optics and Biotechnology
History
Original Manuscript: August 24, 2011
Revised Manuscript: October 6, 2011
Manuscript Accepted: October 10, 2011
Published: November 15, 2011
Virtual Issues
Vol. 7, Iss. 1 Virtual Journal for Biomedical Optics
Citation
Shoude Chang, Erroll Murdock, Youxin Mao, Costel Flueraru, and John Disano, "Stationary-fiber rotary probe with unobstructed 360° view for optical coherence tomography," Opt. Lett. 36, 4392-4394 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-22-4392
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