Time-reversal of ultrasonic fields. III. Theory of the closed time-reversal cavity

Cassereau, Didier; Fink, Mathias

doi:10.1109/58.156176

Public

Time-reversal of ultrasonic fields. III. Theory of the closed time-reversal cavity

Published in IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control • Sep 1, 1992

Authors:

Didier Cassereau

Mathias Fink

Abstract

For pt.II see ibid., vol.39, no.5, p.567-78 (1992). A theoretical model for time-reversal cavities to optimize focusing in homogeneous and inhomogeneous media is described. The concept of the cavity can be understood as the most realistic approximation to an exact three-dimensional (3-D) time-revers...

Subject

Wavefront

Optics

Monochromatic color

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