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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2006, Vol. 7 Issue (1 ): 11-    DOI: 10.1631/jzus.2006.A0081
    
Bragg reflectors based on alternate RHTL-LHTL structures
Zou Yong-zhuo, Hu Xin, Yao Jun, Forsberg Erik
State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou 310027, China
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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.

Key words： Bragg reflector      Left-handed transmission line (LHTL)      Right-handed transmission line (RHTL)      L-C lumped elements      Narrow bands     
Received: 04 November 2005     
CLC:  O441  
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Zou Yong-zhuo
Hu Xin
Yao Jun
Forsberg Erik
Cite this article:

Zou Yong-zhuo, Hu Xin, Yao Jun, Forsberg Erik. Bragg reflectors based on alternate RHTL-LHTL structures. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2006, 7(1 ): 11-.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2006.A0081     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2006/V7/I1 /11

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