The experimental investigation of the discrete mode in the zero-average-refractive-index gap | Zendy

Hui Zhang | Zendy; Li Youquan | Zendy; Fu Yunqi | Zendy; Naichang Yuan | Zendy

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The experimental investigation of the discrete mode in the zero-average-refractive-index gap

Author(s) -

Hui Zhang,

Li Youquan,

Fu Yunqi,

Naichang Yuan

Publication year - 2010

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.59.336

Subject(s) - zero (linguistics) , refractive index , mode (computer interface) , optics , physics , zero mode , band gap , zero point energy , materials science , condensed matter physics , quantum mechanics , computer science , philosophy , linguistics , operating system

We experimentally investigate the discrete mode in the zero-average-refractive-index gap (the zero-n—gap) of the one-dimensional periodical structures containing left-handed materials (LHMs) and right-handed materials (RHMs). When the discrete mode conditions are satisfied in the zero-n gap, there are no discrete propagating modes, but the zero-n—gap completely vanishes. This behavior is attributed to the dispersive property of LHMs and RHMs. In addition, the theoretical expectation of the discrete modes with no sidelobes in the zero-n—gap never occurs in experiment because the LHMs is intrinsically dispersive.

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