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Intrasweep phase-sensitive optical coherence tomography for noncontact optical photoacoustic imaging |
Optics Letters, Vol. 37, Issue 21, pp. 4368-4370 (2012)
http://dx.doi.org/10.1364/OL.37.004368
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Abstract
We introduce a method to extract the photoacoustic (PA) signal from the phase time evolution of an optical coherence tomography (OCT) swept source spectral sweep. This all-optical detection is achieved in a noncontact fashion directly on the sample surface by using its specular reflection. High-speed measurement and referencing allow for close to shot noise limited phase-sensitive detection. It offers a simple way to perform OCT and PA imaging by sharing the same system components.
© 2012 Optical Society of America
OCIS Codes
(110.4500) Imaging systems : Optical coherence tomography
(170.4500) Medical optics and biotechnology : Optical coherence tomography
(170.5120) Medical optics and biotechnology : Photoacoustic imaging
(110.3175) Imaging systems : Interferometric imaging
(110.5125) Imaging systems : Photoacoustics
ToC Category:
Imaging Systems
History
Original Manuscript: July 16, 2012
Revised Manuscript: September 12, 2012
Manuscript Accepted: September 17, 2012
Published: October 17, 2012
Virtual Issues
Vol. 7, Iss. 12 Virtual Journal for Biomedical Optics
Citation
Cedric Blatter, Branislav Grajciar, Pu Zou, Wolfgang Wieser, Aart-Jan Verhoef, Robert Huber, and Rainer A. Leitgeb, "Intrasweep phase-sensitive optical coherence tomography for noncontact optical photoacoustic imaging," Opt. Lett. 37, 4368-4370 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-21-4368
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