欢迎登录材料期刊网

材料期刊网

高级检索

采用具有大饱和磁化强度(MS)的铁氧体基片提供宽带负μ、内嵌金属线阵列提供负ε的方法,合成了一种X频段8.5~10.7GHz宽带负折射材料.对采用上述合成材料构成的半无限大异向介质平板的电磁波反射、透射等特性进行了研究,抽取得到该合成材料的有效介电常数、有效磁导率、折射率等系列电磁特性参数;同时对电磁波穿过采用上述合成材料构成的半无限大楔形和平面透镜发生的折射、汇聚等现象进行了研究.结果表明,合成材料的有效介电常数、有效磁导率以及折射率的实部在8.5~10.7GHz频带范围内皆为负值.在该频段上,合成材料具有"负折射效应" "双负效应""平面镜成像效应"等负折射异向介质典型的电磁特性.

参考文献

[1] Veselago V G .The electrodynamics of substances with simu-ltaneously negative values of ε and μ[J].Soviet Phy-sics U-spekhi,1968,10(04):509.
[2] Smith DR.;Vier DC.;Nemat-Nasser SC.;Schultz S.;Padilla WJ. .Composite medium with simultaneously negative permeability and permittivity[J].Physical review letters,2000(18):4184-4187.
[3] Pendry JB.;Robbins DJ.;Stewart WJ.;Holden AJ. .Low frequency plasmons in thin-wire structures[J].Journal of Physics. Condensed Matter,1998(22):4785-4809.
[4] Gokkavas M;Guven K;Bulu I;Aydin K;Penciu RS;Kafesaki M;Soukoulis CM;Ozbay E .Experimental demonstration of a left-handed metamaterial operating at 100 GHz[J].Physical review, B. Condensed matter and materials physics,2006(19):3103-1-3103-4-0.
[5] Chen HS;Ran LX;Huangfu JT;Zhang XM;Chen KS;Grzegorczyk TM;Kong JA .Negative refraction of a combined double S-shaped metamaterial[J].Applied physics letters,2005(15):1909-1-1909-3-0.
[6] Chen Hongsheng;Ran Lixin;Jin Au Kong et al.Left-handed materials composed of only S-shaped resonators[J].Physical Review E,2004,70(05):057605.
[7] Lagarkov A N;Semenenko V N;Kisel V N et al.Development and simulation of microwave artificial magnetic composites utilizing nonmagnetic inclusions[J].Journal of Magnetism and Magnetic Materials,2003,161:258.
[8] C. Caloz;T. Itoh .Transmission Line Approach of Left-Handed (LH) Materials and Microstrip Implementation of an Artificial LH Transmission Line[J].IEEE Transactions on Antennas and Propagation,2004(5):1159-1166.
[9] Eleftheriades G.V.;Iyer A.K.;Kremer P.C. .Planar negative refractive index media using periodically L-C loaded transmission lines[J].IEEE Transactions on Microwave Theory and Techniques,2002(12):2-2712.
[10] Pimenov A;Loidl A;Przyslupski P;Dabrowski B .Negative refraction in ferromagnet-superconductor superlattices[J].Physical review letters,2005(24):7009-1-7009-4-0.
[11] Yongxue He;Peng He;Vincent G. Harris;Carmine Vittoria .Role of Ferrites in Negative Index Metamaterials[J].IEEE Transactions on Magnetics,2006(10):2852-2854.
[12] Design, Fabrication, and Testing of Double Negative Metamaterials[J].IEEE Transactions on Antennas and Propagation,2003(7):1516-1529.
[13] Smith DR.;Vier DC.;Nemat-Nasser SC.;Schultz S.;Padilla WJ. .Composite medium with simultaneously negative permeability and permittivity[J].Physical review letters,2000(18):4184-4187.
[14] Patanjali V Parimi et al.Imaging by flat lensusing negative refraction[J].Nature,2003,426:404.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%