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Time resolved three-dimensional acousto-optic imaging of thick scattering media |
Optics Letters, Vol. 37, Issue 13, pp. 2754-2756 (2012)
http://dx.doi.org/10.1364/OL.37.002754
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Abstract
Acousto-optic imaging is based on light interaction with focused ultrasound in a scattering medium. Thanks to photorefractive holography combined with pulsed ultrasound, we perform a time-resolved detection of ultrasound-modulated photons in the therapeutic window (780 nm). A high-gain SPS:Te crystal is used for this purpose and enables us to image through large optical thickness (500 mean free paths). We are able to generate three-dimensional (3D) acousto-optic images by translating a multielement ultrasound probe in only one direction. A 3D absorbing object is imaged through a 3 cm thick phantom.
© 2012 Optical Society of America
OCIS Codes
(110.6880) Imaging systems : Three-dimensional image acquisition
(110.7170) Imaging systems : Ultrasound
(190.5330) Nonlinear optics : Photorefractive optics
(110.0113) Imaging systems : Imaging through turbid media
(170.1065) Medical optics and biotechnology : Acousto-optics
(120.1088) Instrumentation, measurement, and metrology : Adaptive interferometry
ToC Category:
Imaging Systems
History
Original Manuscript: April 2, 2012
Revised Manuscript: May 23, 2012
Manuscript Accepted: May 25, 2012
Published: June 29, 2012
Virtual Issues
Vol. 7, Iss. 9 Virtual Journal for Biomedical Optics
Citation
Salma Farahi, Emilie Benoit, Alexander A. Grabar, Jean-Pierre Huignard, and Francois Ramaz, "Time resolved three-dimensional acousto-optic imaging of thick scattering media," Opt. Lett. 37, 2754-2756 (2012)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-37-13-2754
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