Theory of Electromagnetic Time-Reversal Mirrors

@article{Rosny2010TheoryOE,
  title={Theory of Electromagnetic Time-Reversal Mirrors},
  author={Julien de Rosny and Geoffroy Lerosey and Mathias Fink},
  journal={IEEE Transactions on Antennas and Propagation},
  year={2010},
  volume={58},
  pages={3139-3149}
}
The theory of monochromatic time-reversal mirrors (TRM) or equivalently phase conjugate mirrors is developed for electromagnetic waves. We start from the fundamental time-symmetry of the Maxwell's equations. From this symmetry, a differential expression similar to the Lorentz reciprocity theorem is deduced. The radiating conditions on TRM are expressed in terms of 6-dimension Green's functions. To predict the time reversal focusing on antenna arrays, a formalism that involves impedance matrix… CONTINUE READING

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