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电谐振器和磁谐振器构成的左手材料的实验验证
  • 期刊名称:物理学报
  • 时间:0
  • 页码:1847-1850
  • 语言:中文
  • 分类:TN751.2[电子电信—电路与系统]
  • 作者机构:[1]空军工程大学理学院,西安710051, [2]西安交通大学电子陶瓷与器件教育部重点实验室,西安710049
  • 相关基金:国家自然科学基金(批准号:50632030 60871027); 国家重点基础研究发展计划(973)项目(批准号:2009CB613306); 陕西省自然科学基金(批准号:SJ08F01)资助的课题
  • 相关项目:基于电谐振器和磁谐振器的陶瓷基左手材料的研究
中文摘要:

加工、制作和测试了由电谐振器和磁谐振器构成的左手材料.首先分别测试了电谐振器、磁谐振器各自的传输频谱,得到各自的负参数区域,然后测试了由电谐振器和磁谐振器构成的左手材料的传输频谱,并提取了其等效介电常数和磁导率.实验结果表明,在电谐振器和磁谐振器各自传输禁带的重合区域,出现了一个通带,在该通带内,等效介电常数和磁导率同时为负,验证了材料的左手特性.

英文摘要:

Left-handed metamaterials were fabricated and tested. As the first step in the test, the transmission spectra of electric resonator array and magnetic resonator array were measured, from which their respective negative parameter regions can be determined. Then, the transmission spectra of the left-handed metamaterial composed of electric and magnetic resonators were obtained. From the measureds cattering parameters, effective permittivity and permeability can be retrieved. The experiment results show that there is a pass-band in the overlapping region where there is a respective stop-band for both the electric and magnetic arrays. In this pass-band, both the effective permittivity and permeability are negative, which verifies the validity of left-handed metamaterials composed of electric and magnetic resonators.

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