3D imaging in biological tissues by tagging photon paths with ultrasound

Sandrine Leveque; Albert Claude Boccara; Emmanuel Beaurepaire; Arnaud Dubois; Martial Lebec; Herve Saint-Jalmes

doi:10.1117/12.356827

15 July 1999 3D imaging in biological tissues by tagging photon paths with ultrasound

Sandrine Leveque, Albert Claude Boccara, Emmanuel Beaurepaire, Arnaud Dubois, Martial Lebec, Herve Saint-Jalmes

Proceedings Volume 3597, Optical Tomography and Spectroscopy of Tissue III; (1999) https://doi.org/10.1117/12.356827
Event: BiOS '99 International Biomedical Optics Symposium, 1999, San Jose, CA, United States

Abstract

We describe here the detailed signal processing technique that we have introduced to detect ultrasonic speckle modulation using a CCD array. We show that this new approach leads to a better signal to noise ratio than the single detector one not only because all the speckle grains signals are used but also because averaging over a few 104 grains smoothes this random signal. Finally a few examples of signal generated by locally absorbing volume immersed in real biological tissues are given.

Citation Download Citation

Sandrine Leveque, Albert Claude Boccara, Emmanuel Beaurepaire, Arnaud Dubois, Martial Lebec, and Herve Saint-Jalmes "3D imaging in biological tissues by tagging photon paths with ultrasound", Proc. SPIE 3597, Optical Tomography and Spectroscopy of Tissue III, (15 July 1999); https://doi.org/10.1117/12.356827

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