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Super-resolution characteristics based on time-reversed single-frequency electromagnetic wave

Author

Listed:
  • Huilin Tu
  • Shaoqiu Xiao
  • Dominique Lesselier
  • Mohammed Serhir

Abstract

A sub-wavelength three-antenna array that is able to perform super-resolution focusing with single-frequency signal excitations is investigated using time-reversal. The antenna array is loaded with a set of uniformly distributed thin metal wires, which when combined with single-frequency electromagnetic waves from a time-reversal mirror yields a 1/35 wavelength super-resolution focusing at the targeted antenna. The length of the metal wires in particular determines the frequency band enabling super-resolution performance. The results have significance for the super-resolution investigation of multi-band compact antenna arrays involving micro-structures, with potential linkage with recent studies on super-resolution mechanisms in deterministic complex media.

Suggested Citation

  • Huilin Tu & Shaoqiu Xiao & Dominique Lesselier & Mohammed Serhir, 2016. "Super-resolution characteristics based on time-reversed single-frequency electromagnetic wave," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 30(13), pages 1670-1680, September.
    • Handle: RePEc:taf:tewaxx:v:30:y:2016:i:13:p:1670-1680
    DOI: 10.1080/09205071.2016.1210037
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