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High-resolution diffusing-wave spectroscopy using optimized heterodyne detection

Abstract : We show experimentally and theoretically that the use of optimized heterodyne detection in a diffusing-wave spectroscopy experiment leads to the detection of much smaller intensity autocorrelations than with conventional (either homodyne or heterodyne) setups. This enhanced resolution may be useful for the study of longtime dynamics of multiple-scattering disordered systems. (C) 2003 Optical Society of America.
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Reinhard Höhler, V Labiausse, S Cohen-Addad. High-resolution diffusing-wave spectroscopy using optimized heterodyne detection. Journal of the Optical Society of America. A Optics, Image Science, and Vision, Optical Society of America, 2003, 20 (11), pp.2179--2184. ⟨10.1364/JOSAA.20.002179⟩. ⟨hal-00693390⟩



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