Experimental investigation on zero-Ø eff gaps of photonic crystals containing single-negative materials

Liwei Zhang, Yewen Zhang (), Li He, Hongqing Li and Hong Chen

The European Physical Journal B: Condensed Matter and Complex Systems, 2008, vol. 62, issue 1, 1-6

Abstract: Epsilon-negative (ENG) and mu-negative (MNG) materials are successfully realized by using composite right/left-handed transmission line (CRLH TL), based on which the photonic crystals were also constituted. The simulated and measured scattering parameters and phase shift indicate that the photonic crystals containing single-negative (SNG) materials can possess zero-effective phase (zero-Ø eff ) gaps, which are insensitive to the scaling change of the respective unit length. The width and depth of zero-Ø eff gaps can be adjusted by varying the ratio of the length of ENG and MNG materials. The characteristics can be utilized to design a compact high quality factor (high-Q) filter, which is demonstrated by a defect mode in the photonic crystals in experiments. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2008

Keywords: 42.70.Qs Photonic bandgap materials, 78.20.Ci Optical constants, 41.20.Jb Electromagnetic wave propagation; radiowave propagation, (search for similar items in EconPapers)
Date: 2008
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DOI: 10.1140/epjb/e2008-00116-y

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