Photorefractive acousto-optic imaging in thick scattering media at 790 nm with a Sn2P2S6:Te crystal

Salma Farahi; Germano Montemezzani; Alexander A. Grabar; Jean-Pierre Huignard; François Ramaz

doi:10.1364/OL.35.001798

Optics Letters
Vol. 35,
Issue 11,
pp. 1798-1800
(2010)
•https://doi.org/10.1364/OL.35.001798

Photorefractive acousto-optic imaging in thick scattering media at 790 nm with a ${S n}_{2} P_{2} S_{6} : T e$ crystal

Salma Farahi, Germano Montemezzani, Alexander A. Grabar, Jean-Pierre Huignard, and François Ramaz

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Salma Farahi, Germano Montemezzani, Alexander A. Grabar, Jean-Pierre Huignard, and François Ramaz, "Photorefractive acousto-optic imaging in thick scattering media at 790 nm with a Sn₂P₂S₆:Te crystal," Opt. Lett. 35, 1798-1800 (2010)

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Related Topics
Table of Contents Category
- Imaging Systems
Optics & Photonics Topics
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The topics in this list come from the Optics and Photonics Topics applied to this article.
Previously assigned OCIS codes
- Real-time holography (090.5694)
- Imaging through turbulent media (110.0115)
- Ultrasound (110.7170)
- Light propagation in tissues (170.3660)
- Medical and biological imaging (170.3880)
- Photorefractive optics (190.5330)

About this Article
History
- Original Manuscript: March 5, 2010
- Manuscript Accepted: April 9, 2010
- Published: May 20, 2010
Virtual Issues
Virtual Journal for Biomedical Optics Vol. 5, Iss. 10

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 wavefront holographic detection at $790 nm$ , within the optical therapeutic window where absorption of biological tissues is minimized. A high-gain Te-doped ${Sn}_{2} P_{2} S_{6}$ crystal is used for this purpose. Optical absorbing objects embedded within a thick scattering phantom are imaged by use of pulsed ultrasound to get a dynamic millimetric axial resolution. Our technique represents an interesting approach for breast cancer detection.

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