Disorder effects of left-handed metamaterials with unitary dendritic structure cell

X. Zhou, X. P. Zhao, Y. Liu

Research output: Contribution to journalArticlepeer-review

32 Scopus citations

Abstract

We demonstrate that the left-handed materials (LHMs) with unity dendritic unit cells arrayed in disorder state present still passband and negative refractive. The resonance behavior of LHMs in disturbed periodic lattice, quasi-periodic lattice and random array are experimentally investigated. Employing amended retrieval method, the LHMs with disordered state exhibits a negative index of refraction. Basing on such LHMs lens, the subwavelength imaging experiment give a clearly point image with a full wave at half maximum width of 0.4 λ at 9.3 GHz. Similarly, the power field distribution of "N" shaped antenna is measured beyond the diffraction limit.

Original languageEnglish
Pages (from-to)7674-7679
Number of pages6
JournalOptics Express
Volume16
Issue number11
DOIs
StatePublished - 26 May 2008

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