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Quantitative Evaluation of Skin Vibration Induced by a Bone-Conduction Device Using Holographic Recording in a Quasi-Time-Averaging Regime

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Abstract

This paper proposes a first attempt to visualize and analyze the vibrations induced by a bone-conduction device and propagating at the surface of a human skin. The method suggested is based on a so-called “quasi-time-averaging regime” resulting in the retrieval of the vibration amplitude and phase from a sequence of digital Fresnel holograms, recorded with a high image rate.

© 2012 Optical Society of America

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