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Journal of Zhejiang University SCIENCE A 2006 Vol.7 No.1 P.81-84

http://doi.org/10.1631/jzus.2006.A0081


Bragg reflectors based on alternate RHTL-LHTL structures


Author(s):  Zou Yong-zhuo, Hu Xin, Yao Jun, Forsberg Erik

Affiliation(s):  State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   erikf@zju.edu.cn

Key Words:  Bragg reflector, Left-handed transmission line (LHTL), Right-handed transmission line (RHTL), L-C lumped elements, Narrow bands


Zou Yong-zhuo, Hu Xin, Yao Jun, Forsberg Erik. Bragg reflectors based on alternate RHTL-LHTL structures[J]. Journal of Zhejiang University Science A, 2006, 7(1): 81-84.

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author="Zou Yong-zhuo, Hu Xin, Yao Jun, Forsberg Erik",
journal="Journal of Zhejiang University Science A",
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%A Hu Xin
%A Yao Jun
%A Forsberg Erik
%J Journal of Zhejiang University SCIENCE A
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%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2006.A0081

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T1 - Bragg reflectors based on alternate RHTL-LHTL structures
A1 - Zou Yong-zhuo
A1 - Hu Xin
A1 - Yao Jun
A1 - Forsberg Erik
J0 - Journal of Zhejiang University Science A
VL - 7
IS - 1
SP - 81
EP - 84
%@ 1673-565X
Y1 - 2006
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2006.A0081


Abstract: 
New types of bragg reflectors, multilayered periodic structures, based on alternating left-handed transmission line (LHTL) and right-handed transmission line (RHTL) are proposed. These new structures based on ideal microstrip TLs and l-C lumped elements, are designed and analyzed. We report on unusual narrow transmission bands in such kind of structures. In such multilayered structures both Bragg reflectance and the Fabry-Perot resonance exist and the phenomenon of unusual transmission is a result of competition between these two transmission effects, in which the Fabry-Perot resonance is dominant. According to our simulation results we find that this unusual transmission property exits no matter if the electrical length of the LHTL layer cancels the electrical length of the RHTL layer or not.

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

Reference

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[2] Eleftheriades, G.V., Siddiqui, O., Iyer, A.K., 2003. Transmission line models for negative refractive index media and associated implementations without excess resonators. IEEE Microwave Wireless Compon. Lett., 13(2):51-53.

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[7] Shelby, R., Smith, D., Schultz, S., 2001. Experimental verification of a negative index of refraction. Science, 292(5514):77-79.

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[9] Smith, D., Padilla, W.J., Vier, D.C., Nemat-Nassser, S.C., Schultz, S., 2000. A composite medium with simultaneously negative permeability and permittivity. Phys. Rev. Lett., 84(18):4184-4187.

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