1. Shalaev, V. M., "Optical negative-index metamaterials," Nature Photon., Vol. 1, 41-48, 2007.
doi:10.1038/nphoton.2006.49 Google Scholar
2. Maslovski, S., P. Ikonen, I. Kolmakov, S. Tretyakov, and M. Kaunisto, "Artificial magnetic materials based on the new magnetic particle: Metasolenoid," Progress In Electromagnetics Research, Vol. 54, 61-81, 2005.
doi:10.2528/PIER04101101 Google Scholar
3. Wang, J., S. Qu, J. Zhang, H. Ma, Y. Yang, C. Gu, X. Wu, and Z. Xu, "A tunable left-handed metamaterial based on modified broadside-coupled split-ring resonators," Progress In Electromagnetics Research Letter, Vol. 6, 35-45, 2009.
doi:10.2528/PIERL08120708 Google Scholar
4. Shelby, R. A., D. R. Smith, and S. Schultz, "Experimental verification of a negative index of refraction," Science,, Vol. 292, 77-79, 2001.
doi:10.1126/science.1058847 Google Scholar
5. Huangfu, J., L. Ran, H. Chen, X.-M. Zhang, K. Chen, T. M. Grzegorczyk, and J. A. Kong, "Experimental confirmation of negative refractive index of a metamaterial composed of -like metallic patterns," Appl. Phys. Lett., Vol. 84, No. 9, 1537-1539, 2004.
doi:10.1063/1.1655673 Google Scholar
6. Chen, H. S., L. X. Ran, J. T. Huangfu, X. M. Zhang, K. S. Chen, T. M. Grzegorczyk, and J. A. Kong, "Magnetic properties of S-shaped split-ring resonators," Progress In Electromagnetics Research, Vol. 51, 231-247, 2005.
doi:10.2528/PIER04051201 Google Scholar
7. Wu, W., Z. Yu, S.-Y. Wang, R. S. Williams, Y. Liu, C. Sun, X. Zhang, E. Kim, Y. R. Shen, N. X. Fang "Midinfrared metamaterials fabricated by nanoimprint lithography," Appl. Phys. Lett., Vol. 90, 063107, 2007. Google Scholar
8. Pendry, J. B., "Negative refraction makes a perfect lens," Phys. Rev. Lett., Vol. 85, No. 18, 3966-3969, 2000.
doi:10.1103/PhysRevLett.85.3966 Google Scholar
9. Cai, W., U. K. Chettiar, A. V. Kildishev, and V. M. Shalaev, "Optical cloaking with metamaterials," Nature Photon., Vol. 1, 224-227, 2007.
doi:10.1038/nphoton.2007.28 Google Scholar
10. Wu, B., B. Li, and C. Liang, "Design of lowpass filter using a novel split-ring resonator defected ground structure," Microwave Optical Technol. Lett., Vol. 49, No. 2, 288-291, 2007.
doi:10.1002/mop.22111 Google Scholar
11. Alici, K. B. and E. Ozbay, "Electrically small split ring resonator antennas," J. Appl. Phys., Vol. 101, 093104, 2007. Google Scholar
12. Lee, S.-W., Y. Kuga, and A. Ishimaru, "Quasi-static analysis of materials with small tunable stacked split ring resonators," Progress In Electromagnetics Research, Vol. 51, 219-229, 2005.
doi:10.2528/PIER04020602 Google Scholar
13. "Tunable metamaterial transmission lines based on varactor-loaded split-ring resonators," IEEE Trans. Microw. Theory Tech., Vol. 54, No. 6, 2665-2674, 2006.
doi:10.1109/TMTT.2006.872949 Google Scholar
14. Aydin, K. and E. Ozbay, "Capacitor-loaded split ring resonators as tunable metamaterial components," J. Appl. Phys., Vol. 101, 024911, 2007.
doi:10.1063/1.2427110 Google Scholar
15. Boulais, K. A., D. W. Rule, S. Simmons, F. Santiago, V. Gehman, K. Long, and A. Rayms-Keller, "Tunable split-ring resonator for metamaterials using photocapacitance of semi-insulating GaAs," Appl. Phys. Lett., Vol. 93, 043518, 2008.
doi:10.1063/1.2967192 Google Scholar
16. Kang, L., Q. Zhao, H. Zhao, and J. Zhou, "Ferrite-based magnetically tunable left-handed metamaterial composed of SRRs and wires," Opt. Express, Vol. 16, No. 22, 17269-17275, 2008.
doi:10.1364/OE.16.017269 Google Scholar
17. Werner, D. H., D.-H. Kwon, I.-C. Khoo, A. V. Kildishev, and V. M. Shalaev, "Liquid crystal clad near-infrared metamaterials with tunable negative-zero-positive refractive indices," Opt. Express, Vol. 15, No. 6, 3342-3347, 2007.
doi:10.1364/OE.15.003342 Google Scholar
18. Zhao, Q., L. Kang, B. Du, B. Li, J. Zhou, H. Tang, X. Liang, and B. Zhang, "Electrically tunable negative permeability metamaterials based on nematic liquid crystals," Appl. Phys. Lett., Vol. 90, 011112, 2007.
doi:10.1063/1.2430485 Google Scholar
19. Zhang, F., Q. Zhao, L. Kang, D. P. Gaillot, X. Zhao, J. Zhou, and D. Lippens, "Magnetic control of negative permeability metamaterials based on liquid crystals," Appl. Phys. Lett., Vol. 92, 193104, 2008.
doi:10.1063/1.2926678 Google Scholar
20. Plum, E., V. A. Fedotov, and N. I. Zheludev, "Optical activity in extrinsically chiral metamaterial," Appl. Phys. Lett., Vol. 93, 191911, 2008.
doi:10.1063/1.3021082 Google Scholar
21. Smith, D. R., S. Schultz, P. Markoš, and C. M. Soukoulis, "Determination of effective permittivity and permeability of metamaterials from reflection and transmission coefficients," Phys. Rev. B, Vol. 65, 195104, 2002.
doi:10.1103/PhysRevB.65.195104 Google Scholar
22. Zhou, J., Th. Koschny, M. Kafesaki, E. N. Economou, J. B. Pendry, and C. M. Soukoulis, "Saturation of the magnetic response of split-ring resonators at optical frequencies," Phys. Rev. Lett., Vol. 95, 223902, 2005.
doi:10.1103/PhysRevLett.95.223902 Google Scholar
23. Khoo, I. C., Liquid Crystals, 2 Ed., Wiley, 2007.
24. Khoo, I. C. and S. T. Wu, Optics and Nonlinear Optics of Liquid Crystals, World Scientific, 1993.
25. Buchnev, O., E. Ouskova, Y. Reznikov, V. Reshetnyak, H. Kresse, and A. Grabar, "Enhanced dielectric response of liquid crystal ferroelectric suspension," Mol. Cryst. Liq. Cryst., Vol. 422, 47-55, 2004.
doi:10.1080/15421400490502012 Google Scholar