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Toward endoscopes with no distal optics: video-rate scanning microscopy through a fiber bundle |
Optics Letters, Vol. 38, Issue 5, pp. 609-611 (2013)
http://dx.doi.org/10.1364/OL.38.000609
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Abstract
We report a step toward scanning endomicroscopy without distal optics. The focusing of the beam at the distal end of a fiber bundle is achieved by imposing a parabolic phase profile across the exit face with the aid of a spatial light modulator. We achieve video-rate images by galvanometric scanning of the phase tilt at the proximal end. The approach is made possible by the bundle, designed to have very low coupling between cores.
© 2013 Optical Society of America
OCIS Codes
(060.2430) Fiber optics and optical communications : Fibers, single-mode
(180.5810) Microscopy : Scanning microscopy
(230.6120) Optical devices : Spatial light modulators
ToC Category:
Fiber Optics and Optical Communications
History
Original Manuscript: December 13, 2012
Manuscript Accepted: January 18, 2013
Published: February 19, 2013
Virtual Issues
Vol. 8, Iss. 4 Virtual Journal for Biomedical Optics
Citation
Esben Ravn Andresen, Géraud Bouwmans, Serge Monneret, and Hervé Rigneault, "Toward endoscopes with no distal optics: video-rate scanning microscopy through a fiber bundle," Opt. Lett. 38, 609-611 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-5-609
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