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We study the tunable resonance characteristics of double split ring resonator (DSRR) at microwave band numerically. For the incident electromagnetic wave parallel to the incident plane, the DSRR structure shows magnetic and electric resonances at different frequencies respectively. When the E polarization along the two splits of the DSRR, the magnetic and the electric resonances have the strongest resonant intensities. As the DSRR metamaterial rotates along the H field, the frequencies of magnetic and electric resonances are kept unchanged, however, the resonant intensities decrease rapidly. The tunable metamaterial proposed in this paper only need rotate the metamaterial without structure changes or additional applied field, and has potential applications in electromagnetic switch and phase modulation. This simple tunable method could be used for higher frequency metamaterial, and expend the applications at terahertz and optical frequencies.
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Keywords:
- metamaterials /
- split ring resonator /
- tunability
[1] Veselago V G 1968 Sov. Phys. Usp. 10 509
[2] Shelby R, Smith D R, Schulrz S 2001 Science 292 77
[3] Chen H S, Ran L X, Huangfu J T, Zhang X M, Chen K S, Grzegorczyk T M, Kong J A 2004 Phys. Rev. E 70 057605
[4] Dong Z G, Xu M X, Lei S Y, Liu H, Li T, Wang F M, Zhu S N 2008 Appl. Phys. Lett. 92 064101
[5] Dong Z G, Liu H, Li Tao, Zhu Z H, Wang S M, Cao J X, Zhu S N, Zhang X 2008 Opt. Express 16 20974
[6] Zhou J F, Zhang L, Tuttle G, Koschny T, Soukoulis C M 2006 Phys. Rev. B 73 041101
[7] Zhu W R, Zhao X P, Guo J Q 2009 Appl. Phys. Lett. 106 093511
[8] Zhu W R, Zhao X P 2008 J. Appl. Phys. 92 241116
[9] Kafesaki M, Tsiapa I, Katsarakis N, Koschny T, Soukoulis C M, Economou E N 2007 Phys. Rev. B 75 235114
[10] Sun M Z, Zhang C M, Song X P, Liang G Y, Sun Z B 2009 Acta Phys. Sin. 58 6179 (in Chinese) [孙明昭、张淳民、宋晓平、梁工英、孙占波 2009 58 6179 Zhang C M, Sun M Z, Yuan Z L, Song X P 2009 Acta Phys. Sin. 58 1758 (in Chinese) 〖张淳民、孙明昭、袁志林、宋晓平 2009 58 1758]
[11] Schurig D, Mock J J, Justice B J, Cummer S A, Pendry J B, Starr A F, Smith D R 2006 Science 314 977
[12] Ma H, Qu S B, Xu Z, Zhang J Q, Wang J F 2009 Chin. Phys. B 18 1025
[13] Landy N I, Sajuyigbe S, Mock J J, Smith D R, Padilla W J 2008 Phys. Rev. Lett. 100 207402
[14] Zhu W R, Zhao X P 2009 J. Opt. Soc. Am. B 26 2382
[15] Shadrivov I V, Morrison S K, Kivshar Y S 2006 Opt. Express 14 9344
[16] Degiron A, Mock J J, Smith D R 2007 Opt. Express 15 1115
[17] Zhao Q, Kang L, Du B, Li B, Zhou J 2007 Appl. Phys. Lett. 90 011112
[18] Kang L, Zhao Q, Zhao H J, Zhou J 2008 Appl. Phys. Lett. 93 171909
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[1] Veselago V G 1968 Sov. Phys. Usp. 10 509
[2] Shelby R, Smith D R, Schulrz S 2001 Science 292 77
[3] Chen H S, Ran L X, Huangfu J T, Zhang X M, Chen K S, Grzegorczyk T M, Kong J A 2004 Phys. Rev. E 70 057605
[4] Dong Z G, Xu M X, Lei S Y, Liu H, Li T, Wang F M, Zhu S N 2008 Appl. Phys. Lett. 92 064101
[5] Dong Z G, Liu H, Li Tao, Zhu Z H, Wang S M, Cao J X, Zhu S N, Zhang X 2008 Opt. Express 16 20974
[6] Zhou J F, Zhang L, Tuttle G, Koschny T, Soukoulis C M 2006 Phys. Rev. B 73 041101
[7] Zhu W R, Zhao X P, Guo J Q 2009 Appl. Phys. Lett. 106 093511
[8] Zhu W R, Zhao X P 2008 J. Appl. Phys. 92 241116
[9] Kafesaki M, Tsiapa I, Katsarakis N, Koschny T, Soukoulis C M, Economou E N 2007 Phys. Rev. B 75 235114
[10] Sun M Z, Zhang C M, Song X P, Liang G Y, Sun Z B 2009 Acta Phys. Sin. 58 6179 (in Chinese) [孙明昭、张淳民、宋晓平、梁工英、孙占波 2009 58 6179 Zhang C M, Sun M Z, Yuan Z L, Song X P 2009 Acta Phys. Sin. 58 1758 (in Chinese) 〖张淳民、孙明昭、袁志林、宋晓平 2009 58 1758]
[11] Schurig D, Mock J J, Justice B J, Cummer S A, Pendry J B, Starr A F, Smith D R 2006 Science 314 977
[12] Ma H, Qu S B, Xu Z, Zhang J Q, Wang J F 2009 Chin. Phys. B 18 1025
[13] Landy N I, Sajuyigbe S, Mock J J, Smith D R, Padilla W J 2008 Phys. Rev. Lett. 100 207402
[14] Zhu W R, Zhao X P 2009 J. Opt. Soc. Am. B 26 2382
[15] Shadrivov I V, Morrison S K, Kivshar Y S 2006 Opt. Express 14 9344
[16] Degiron A, Mock J J, Smith D R 2007 Opt. Express 15 1115
[17] Zhao Q, Kang L, Du B, Li B, Zhou J 2007 Appl. Phys. Lett. 90 011112
[18] Kang L, Zhao Q, Zhao H J, Zhou J 2008 Appl. Phys. Lett. 93 171909
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