Miniature periodic structures of left-handed materials.

Appl Opt

School of Science, Ministry of Education Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Xi'an Jiaotong University, Xi'an 710049, China.

Published: January 2010

AI Article Synopsis

  • The analysis of rectangular periodic structures reveals that modifying their size can shift and broaden the resonance frequency band from low to high frequencies.
  • Computer simulations indicate that using a miniature split-ring resonator can enhance and broaden the resonance frequency while keeping the stop-band location constant.
  • Experimental findings align closely with theoretical predictions, confirming that the miniature periodic structure effectively broadens the stop-band frequency and enhances resonance, which is significant for left-handed material research.

Article Abstract

Based on the analysis of rectangular periodic structures, the resonance frequency band is found to be shifted and broadened from low frequency to high frequency by adjustment of the corresponding structure size. Computer simulation shows that a miniature split-ring resonator can enhance and broaden resonance frequency without changing the stop-band location. According to the theoretical parameters, different experimental samples can be fabricated. The experimental results are generally the same as those predicted theoretically. A comparison of the experimental and theoretical results concluded that a miniature periodic structure broadened the frequency of the stop band and enhanced the resonance frequency, which are important for the study of left-handed materials.

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Source
http://dx.doi.org/10.1364/AO.49.000281DOI Listing

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