A planar left-handed metamaterial based on electric resonators

doi:10.1088/1674-1056/20/3/034101

中国物理B ›› 2011, Vol. 20 ›› Issue (3): 34101-034101.doi: 10.1088/1674-1056/20/3/034101

A planar left-handed metamaterial based on electric resonators

陈春晖¹, 王甲富¹, 马华¹, 王新华¹, 屈绍波², 徐卓³

(1)College of Science, Air Force Engineering University, Xi'an 710051, China; (2)College of Science, Air Force Engineering University, Xi'an 710051, China;Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education, Xi'an Jiaotong University, Xi'an 710049, China; (3)Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education, Xi'an Jiaotong University, Xi'an 710049, China

收稿日期:2010-06-26 修回日期:2010-11-29 出版日期:2011-03-15 发布日期:2011-03-15
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 50632030 and 60871027), the National Basic Research Program of China(Grant No. 2009CB613306) and the Natural Science Foundation of Shaanxi Province, China (Grant No. SJ08F01

A planar left-handed metamaterial based on electric resonators

Chen Chun-Hui(陈春晖)^a)†, Qu Shao-Bo(屈绍波)^a)b)‡, Wang Jia-Fu(王甲富)^a), Ma Hua(马华)^a), Wang Xin-Hua(王新华)^a), and Xu Zhuo(徐卓)^b)

^a College of Science, Air Force Engineering University, Xi'an 710051, China; ^b Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education, Xi'an Jiaotong University, Xi'an 710049, China

Received:2010-06-26 Revised:2010-11-29 Online:2011-03-15 Published:2011-03-15
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 50632030 and 60871027), the National Basic Research Program of China(Grant No. 2009CB613306) and the Natural Science Foundation of Shaanxi Province, China (Grant No. SJ08F01).

摘要/Abstract

摘要： A planar left-handed metamaterial(LHM) composed of electric resonator pairs is presented in this paper. Theoretical analysis, an equivalent circuit model and simulated results of a wedge sample show that this material exhibits a negative refraction pass-band around 9.6GHz under normal-incidence and is insensitive to a change in incidence angle. Furthermore, as the angle between the arm of the electric resonators and the strip connecting the arms increases, the frequency range of the pass-band shifts downwards. Consequently, this LHM guarantees a relatively stable torlerence of errors when it is practically fabricated. Moreover, it is a candidate for designing multi-band LHM through combining the resonator pairs with different angles.

关键词: planar left-handed metamaterial, electric resonator, multi-band metamaterial

Abstract: A planar left-handed metamaterial(LHM) composed of electric resonator pairs is presented in this paper. Theoretical analysis, an equivalent circuit model and simulated results of a wedge sample show that this material exhibits a negative refraction pass-band around 9.6GHz under normal-incidence and is insensitive to a change in incidence angle. Furthermore, as the angle between the arm of the electric resonators and the strip connecting the arms increases, the frequency range of the pass-band shifts downwards. Consequently, this LHM guarantees a relatively stable torlerence of errors when it is practically fabricated. Moreover, it is a candidate for designing multi-band LHM through combining the resonator pairs with different angles.

Key words: planar left-handed metamaterial, electric resonator, multi-band metamaterial

中图分类号: (Electromagnetic wave propagation; radiowave propagation)

41.20.Jb

42.25.Bs (Wave propagation, transmission and absorption) 73.20.Mf (Collective excitations (including excitons, polarons, plasmons and other charge-density excitations)) 77.22.Ch (Permittivity (dielectric function))

陈春晖, 屈绍波, 王甲富, 马华, 王新华, 徐卓. A planar left-handed metamaterial based on electric resonators[J]. 中国物理B, 2011, 20(3): 34101-034101.

Chen Chun-Hui(陈春晖), Qu Shao-Bo(屈绍波), Wang Jia-Fu(王甲富), Ma Hua(马华), Wang Xin-Hua(王新华), and Xu Zhuo(徐卓). A planar left-handed metamaterial based on electric resonators[J]. Chin. Phys. B, 2011, 20(3): 34101-034101.

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A planar left-handed metamaterial based on electric resonators

A planar left-handed metamaterial based on electric resonators

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