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Proceedings Paper

Photorefractive acousto optic imaging in the therapeutic window
Author(s): Salma Farahi; Germano Montemezzani; Alexander A. Grabar; Jean-Pierre Huignard; François Ramaz
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Paper Abstract

Acousto-optic imaging is based on ultrasound modulation of multiply scattered light in thick media. We experimentally demonstrate the possibility to perform a self-adaptive wave-front holographic detection at 790 nm, within the optical therapeutic window where absorption of biological tissues is minimized. A high-gain Te-doped Sn2P2S6 bulk crystal is used for this purpose. We image optical absorbing objects embedded within a thick scattering phantom by use of pulsed ultrasound to get a dynamic millimetric axial resolution. Our technique represents an interesting approach for breast cancer detection.

Paper Details

Date Published: 17 February 2011
PDF: 6 pages
Proc. SPIE 7899, Photons Plus Ultrasound: Imaging and Sensing 2011, 789918 (17 February 2011); doi: 10.1117/12.871217
Show Author Affiliations
Salma Farahi, Institut Langevin, CNRS, Lab. d'Optique Physique (France)
Germano Montemezzani, Univ. Paul Verlaine Metz et Supélec (France)
Alexander A. Grabar, Uzhgorod National Univ. (Ukraine)
Jean-Pierre Huignard, Jphopto-consultant (France)
François Ramaz, Institut Langevin, CNRS, Lab. d'Optique Physique (France)

Published in SPIE Proceedings Vol. 7899:
Photons Plus Ultrasound: Imaging and Sensing 2011
Alexander A. Oraevsky; Lihong V. Wang, Editor(s)

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