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Epsilon-negative (ENG) and mu-negative (MNG) materials are fabricated by using transmission line (TL) approach, the electromagnetic tunneling properties of the bilayer structures with ENG-MNG materials are experimentally investigated. The results indicate that the two kinds of single negative materials do not support electromagnetic propagation modes, whereas the completely tunneling phenomenon occurs in the ENG-MNG pairs under special conditions when the average permittivity or average permeability equals zero respectively. Furthermore, the tunneling modes are insensitive to the scale length. Exponential amplification of the evanescent wave is also experimentally observed by simulating and measuring the electric field distributions in ENG-MNG structures at the tunneling frequency.
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Keywords:
- single negative materials /
- tunneling modes /
- evanescent field /
- transmission lines
[1] Veselago V G 1968 Soviet Physics Usp 10 509
[2] Grbic A, Eleftheriades G 2004 Phys. Rev. Lett. 92 117403
[3] Alù A, Engheta N 2003 IEEE Trans. Antennas Propagat. 51 2558
[4] Liu R, Zhao B, Lin X Q, Cheng Q, Cui T J 2007 Phys. Rev. B 75 125118
[5] Zhou L, Wen W J, Chan C T, Shen P 2005 Phys. Rev. lett. 94 243905
[6] Lakhtakia A, Krowne C M 2003 Optik 114 305
[7] Jiang H T, Chen H, Li H Q, Zhang Y W, Zi J, Zhu S Y 2004 Phys . Rev. E 69 066607
[8] Deng X H, Liu N H, Liu G Q 2007 Acta Phys.Sin.56 7280(in Chinese)[邓新华、刘念华、刘根泉 2007 56 7280]
[9] Dong L J, Jiang H T, Yang C Q, Shi Y L2007 Acta Phys.Sin.56 4657(in Chinese)[董丽娟、江海涛、杨成全、石云龙 2007 56 4657]
[10] Jiang H T, Chen H, Zhu S Y 2007 Opt. Lett. 32 1980
[11] Hu C G, Liu L Y, Chen X N, Luo X G 2008 Optics Express 16 21544
[12] Caloz C, Ioh T 2005 Electromagnetic Metamaterials, Transmission Line Theory and Microwave Applications (Wiley and IEEE Press) 59—130.
[13] Li H Y, Zhang Y W, Wang P C, Li G Q 2007 Acta Phys.Sin.56 6480(in Chinese)[李海洋、张冶文、王蓬春、李贵泉 2007 56 6480]
[14] Zhang L W, Zhang Y W, He L, Li H Q, Chen H 2006 Phys. Rev. E 74 056615
[15] Zhang L W, Zhang Y W, Yang Y P, Li H Q, Chen H, Zhu S Y 2008 Phys .Rev. E 78 R035601
[16] Wang Y Z, Zhang Y W, He L,Liu F Q, Li H Q, Chen H 2006 J. Appl. Phys. 100 113503
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[1] Veselago V G 1968 Soviet Physics Usp 10 509
[2] Grbic A, Eleftheriades G 2004 Phys. Rev. Lett. 92 117403
[3] Alù A, Engheta N 2003 IEEE Trans. Antennas Propagat. 51 2558
[4] Liu R, Zhao B, Lin X Q, Cheng Q, Cui T J 2007 Phys. Rev. B 75 125118
[5] Zhou L, Wen W J, Chan C T, Shen P 2005 Phys. Rev. lett. 94 243905
[6] Lakhtakia A, Krowne C M 2003 Optik 114 305
[7] Jiang H T, Chen H, Li H Q, Zhang Y W, Zi J, Zhu S Y 2004 Phys . Rev. E 69 066607
[8] Deng X H, Liu N H, Liu G Q 2007 Acta Phys.Sin.56 7280(in Chinese)[邓新华、刘念华、刘根泉 2007 56 7280]
[9] Dong L J, Jiang H T, Yang C Q, Shi Y L2007 Acta Phys.Sin.56 4657(in Chinese)[董丽娟、江海涛、杨成全、石云龙 2007 56 4657]
[10] Jiang H T, Chen H, Zhu S Y 2007 Opt. Lett. 32 1980
[11] Hu C G, Liu L Y, Chen X N, Luo X G 2008 Optics Express 16 21544
[12] Caloz C, Ioh T 2005 Electromagnetic Metamaterials, Transmission Line Theory and Microwave Applications (Wiley and IEEE Press) 59—130.
[13] Li H Y, Zhang Y W, Wang P C, Li G Q 2007 Acta Phys.Sin.56 6480(in Chinese)[李海洋、张冶文、王蓬春、李贵泉 2007 56 6480]
[14] Zhang L W, Zhang Y W, He L, Li H Q, Chen H 2006 Phys. Rev. E 74 056615
[15] Zhang L W, Zhang Y W, Yang Y P, Li H Q, Chen H, Zhu S Y 2008 Phys .Rev. E 78 R035601
[16] Wang Y Z, Zhang Y W, He L,Liu F Q, Li H Q, Chen H 2006 J. Appl. Phys. 100 113503
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