Time reversal mirrors

  title={Time reversal mirrors},
  author={Mathias Fink},
  journal={2013 Transducers & Eurosensors XXVII: The 17th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS & EUROSENSORS XXVII)},
  • Mathias Fink
  • Published 2013 in
    2013 Transducers & Eurosensors XXVII: The 17th…
The objective of this paper is to show that time-reversal invariance can be exploited in acoustics to accurately control wave propagation through complex media and create a variety of useful instruments. To illustrate the robustness of time reversal mirrors, several experiments conducted in multiply scattering media, in waveguides and in reverberant cavities are presented. They show that, contrary to long-held beliefs, multi pathing and multiple scattering enhances resolution in time reversal… CONTINUE READING
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