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Two-color interpolation of the absorption response for quantitative acousto-optic imaging

Maïmouna Bocoum, Jean Luc Gennisson, Caroline Venet, Mingjun Chi, Paul Michael Petersen, Alexander A. Grabar, and François Ramaz

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Abstract

Diffuse optical tomography (DOT) is a reliable and widespread technique for monitoring qualitative changes in absorption inside highly scattering media. It has been shown, however, that acousto-optic (AO) imaging can provide significantly more qualitative information without the need for inversion algorithms due to the spatial resolution afforded by ultrasound probing. In this Letter, we show how, by using multiple-wavelength AO imaging, it is also possible to perform quantitative measurements of absorber concentration inside scattering media.

© 2018 Optical Society of America

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