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Received: 2005-10-30

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Journal of Zhejiang University SCIENCE A 2006 Vol.7 No.1 P.85-88


Novel resonator based on composite right/left-handed transmission lines

Author(s):  Li Chao, Li Fang

Affiliation(s):  Institute of Electronics, Chinese Academy of Science, Beijing 100080, China

Corresponding email(s):   fli@mail.ie.ac.cn

Key Words:  Composite right/left-handed transmission lines (CRLH TLs), Resonator

Li Chao, Li Fang. Novel resonator based on composite right/left-handed transmission lines[J]. Journal of Zhejiang University Science A, 2006, 7(1): 85-88.

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journal="Journal of Zhejiang University Science A",
publisher="Zhejiang University Press & Springer",

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%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2006.A0085

T1 - Novel resonator based on composite right/left-handed transmission lines
A1 - Li Chao
A1 - Li Fang
J0 - Journal of Zhejiang University Science A
VL - 7
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EP - 88
%@ 1673-565X
Y1 - 2006
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2006.A0085

A new approach was introduced to analyze composite right/left-handed transmission lines (CRLH TLs). The Bloch impedance and the dispersion relations are directly obtained from the S parameters of the unit cells. The LH and RH frequency bands are then identified by the real parts of the Bloch impedance and the phase delay of the unit cells. The new approach has some advantages over the LC parameters extraction method introduced by Caloz et al.(2004). Based on the new approach, a novel resonator is designed using CRLH TLs. The simulation and experimental results accorded well with the theoretical analysis. The novel resonator may have potential applications in filters with high harmonic suppression and compact structures.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


[1] Caloz, C., Sanada, A., Itoh, T., 2004. A novel composite right/left-handed coupled-line directional coupler with arbitrary coupling level and broad bandwidth. IEEE Trans. on Microwave Theory & Techniques, 52(3):980-992.

[2] Eleftheriades, G.V., Iyer, A.K., Kremer, P.C., 2002. Planar negative refractive index media using periodically L-C loaded transmission lines. IEEE Trans. on Microwave Theory & Techniques, 50(12):2702-2712.

[3] Engheta, N., 2002. An idea for thin subwavelength cavity resonators using metamaterials with negative permittivity and permeability. IEEE Antennas Wireless Propag. Lett., 1(1):10-13.

[4] Sanada, A., Caloz, C., Itoh, T., 2004. Characteristics of the composite right/left-handed transmission lines. IEEE Microwave and Wireless Components Lett., 14(2):68-70.

[5] Smith, D.R., Padilla, W.J., Vier, D.C., Nemat-Nasser, S.C., Schultz, S., 2000. Composite medium with simultaneously negative permeability and permittivity. Phys. Rev. Lett., 84:4184-4187.

[6] Veselago, V.G., 1968. The electrodynamics of substances with simultaneously negative values of ε and µ. Soviet Physics Uspekhi, 10(4):509-514.

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