1. Shalaev, V. M., "Optical negative-index metamaterials," Nature Photon., Vol. 1, 41-48, 2007.
doi:10.1038/nphoton.2006.49
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
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
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
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
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
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.
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
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
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
11. Alici, K. B. and E. Ozbay, "Electrically small split ring resonator antennas," J. Appl. Phys., Vol. 101, 093104, 2007.
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
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
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
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
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
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
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
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
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
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
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
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