Photorefractive acousto-optical imaging for thick biological tissues

Francois Ramaz; Benoit C. Forget; Michael Atlan; A. Claude Boccara; Michel Gross; Philippe Delaye; Gerald Roosen

doi:10.1117/12.590090

25 April 2005 Photorefractive acousto-optical imaging for thick biological tissues

Francois Ramaz, Benoit C. Forget, Michael Atlan, A. Claude Boccara, Michel Gross, Philippe Delaye, Gerald Roosen

Proceedings Volume 5697, Photons Plus Ultrasound: Imaging and Sensing 2005: The Sixth Conference on Biomedical Thermoacoustics, Optoacoustics, and Acousto-optics; (2005) https://doi.org/10.1117/12.590090
Event: SPIE BiOS, 2005, San Jose, CA, United States

Abstract

A new concept of acousto-optical imaging is emerging based on an interferometric setup containing a photorefractive crystal as the recombination plate, and a single detector. This wavefront-adaptive holography technique is promising since the measurements are made in real-time with a high flux collection and at a high rate, faster than the speckle decorrelation time. We present here a detailed model that describes correctly the measured signal, whether in a temporal phase or amplitude modulation of the ultrasound.

Citation Download Citation

Francois Ramaz, Benoit C. Forget, Michael Atlan, A. Claude Boccara, Michel Gross, Philippe Delaye, and Gerald Roosen "Photorefractive acousto-optical imaging for thick biological tissues", Proc. SPIE 5697, Photons Plus Ultrasound: Imaging and Sensing 2005: The Sixth Conference on Biomedical Thermoacoustics, Optoacoustics, and Acousto-optics, (25 April 2005); https://doi.org/10.1117/12.590090

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