Time resolved three-dimensional acousto-optic imaging of thick scattering media

被引：16
|
作者：
Farahi, Salma [1 ,2 ]
Benoit, Emilie [1 ]
Grabar, Alexander A. [3 ]
Huignard, Jean-Pierre [4 ]
Ramaz, Francois [1 ]
机构：
[1] ESPCI ParisTech, CNRS, UMR 7587, Inst Langevin,INSERM,U979, F-75231 Paris 05, France
[2] Ecole Polytech Fed Lausanne, Sch Engn, CH-1015 Lausanne, Switzerland
[3] Uzhgorod Natl Univ, Inst Solid State Phys & Chem, UA-88000 Uzhgorod, Ukraine
[4] Jphopto, F-75013 Paris, France
来源：
OPTICS LETTERS | 2012年 / 37卷 / 13期
关键词：
MODULATED OPTICAL TOMOGRAPHY; BIOLOGICAL TISSUES; CRYSTALS; PHOTONS;
D O I：
10.1364/OL.37.002754
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
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. (C) 2012 Optical Society of America
引用
收藏
页码：2754 / 2756
页数：3
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