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Journal of Zhejiang University SCIENCE A 2008 Vol.9 No.2 P.289-292


Lattice type transmission line of negative refractive index

Author(s):  Xin HU, Sailing HE

Affiliation(s):  Center for Optical & Electromagnetic Research, Zhejiang University, Hangzhou 310058, China; more

Corresponding email(s):   xinhu@kth.se, sailing@zju.edu.cn

Key Words:  Negative refractive index (NRI), Transmission line (TL), Symmetrical lattice, Low pass

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Xin HU, Sailing HE. Lattice type transmission line of negative refractive index[J]. Journal of Zhejiang University Science A, 2008, 9(2): 289-292.

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publisher="Zhejiang University Press & Springer",

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T1 - Lattice type transmission line of negative refractive index
A1 - Xin HU
A1 - Sailing HE
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.A0720086

In this letter, we introduce a novel passive transmission line of negative refractive index (i.e., left-handedness) based on identical symmetrical lattice type structures [thus called “lattice type transmission line” (LT-TL)]. The dispersion characteristic and the transmission response of the proposed LT-TL are analyzed. While all the other left-handed passive transmission lines are of high pass, the present passive left-handed transmission line is of low pass. Compared with a conventional transmission line, the LT-TL has a phase shift of 180( in the entire wide pass-band.

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[1] 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 & Tech., 50(12):2702-2712.

[2] Hu, X., He, S., 2007. A new class of negative refractive index transmission line. J. Zhejiang Univ. Sci. A, 8(8):1179-1182.

[3] Iyer, A.K., Eleftheriades, G.V., 2002. Negative Refractive Index Metamaterials Supporting 2-D Waves. Proc. IEEE Int. Microwave Symp. Digest. Seattle, WA, USA, 2:1067-1070.

[4] Scott, R.E., Essigman, M.W., 1960. Linear Circuits. Part 1: Time-Domain Analysis. Chapter 5. Addison Wesley.

[5] Veselago, V.G., 1968. The electrodynamics of materials with simultaneously negative values of ε and µ. Sov. Phys. Usp., 10(4):509-514.

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