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2007 | 112 | 4 | 569-574
Article title

New Results in Chaotic Time-Reversed Electromagnetics: High Frequency One-Recording-Channel Time-Reversal Mirror

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EN
Abstracts
EN
We experimentally demonstrate a new electromagnetic one-recording-channel time-reversal mirror that can operate at high frequencies and high bandwidths. The experiments are carried out in a 1 m^3 ray-chaotic enclosure using two simple antennas. The input is a 7.0 GHz signal that is amplitude modulated with a 60 ns long pulse. The time-reversal focused signal has a peak-signal-to-noise ratio of about 9 dB, and is very sensitive to small perturbations to the ray-chaotic enclosure. The results are consistent with expectations for single-recording-channel time-reversal mirrors, and establish a new platform for study of fundamental issues in time-domain wave chaos, as well as novel applications.
Keywords
Contributors
author
  • Center for Nanophysics and Advanced Materials, Physics Department, University of Maryland, College Park, MD 20742-4111, USA
  • Physics Department, University of Maryland, College Park, MD 20742-4111, USA
  • Department of Electrical and Computer Engineering, University of Maryland, College Park, MD 20742-4111, USA
author
  • Institute for Research in Electronics and Applied Physics, University of Maryland, College Park, MD 20742-4111, USA
author
  • Center for Nanophysics and Advanced Materials, Physics Department, University of Maryland, College Park, MD 20742-4111, USA
  • Physics Department, University of Maryland, College Park, MD 20742-4111, USA
  • Department of Electrical and Computer Engineering, University of Maryland, College Park, MD 20742-4111, USA
  • Malibu Research Associates Inc., 3760A Calle Tecate, Camarillo CA 93012-5059, USA
author
  • Physics Department, University of Maryland, College Park, MD 20742-4111, USA
  • Institute for Research in Electronics and Applied Physics, University of Maryland, College Park, MD 20742-4111, USA
author
  • Physics Department, University of Maryland, College Park, MD 20742-4111, USA
  • Department of Electrical and Computer Engineering, University of Maryland, College Park, MD 20742-4111, USA
  • Institute for Research in Electronics and Applied Physics, University of Maryland, College Park, MD 20742-4111, USA
author
  • Physics Department, University of Maryland, College Park, MD 20742-4111, USA
  • Department of Electrical and Computer Engineering, University of Maryland, College Park, MD 20742-4111, USA
  • Institute for Research in Electronics and Applied Physics, University of Maryland, College Park, MD 20742-4111, USA
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv112n401kz
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