1. Caloz, C. and T. Itoh, Electromagnetic Metamaterials: Transmission Line Theory and Microwave Applications, Wiley-Interscience, 2006.
2. Grbic, A. and G. V. Eleftheriades, "Overcoming the diffraction limit with a planar left-handed transmission-line lens," Phys. Rev. Lett., Vol. 92, 117403-1-117403-4, Mar. 2004.
doi:10.1103/PhysRevLett.92.117403
3. Lai, A., W.-Y. Wu, K. M. K. H. Leong, T. Itoh, and C. Caloz, "Quasi-optical manipulations of microwaves using metamaterial interfaces," Proc. 2005 IEEE AP-S Int'l. Symp., 273-276, 2005.
4. Kaneda, T., A. Sanada, and H. Kubo, "2D beam scanning planar antenna array using composite right/left-handed leaky wave antennas," IEICE Trans. on Electron., Vol. E89-C, No. 12, 1904-1911, 2006.
doi:10.1093/ietele/e89-c.12.1904
5. Weng, Z., Y. Jiao, G. Zhao, and F. Zhang, "Design and experiment of one dimension and two dimension metamaterial structures for directive emission," Progress In Electromagnetics Research, Vol. 70, 199-209, 2007.
doi:10.2528/PIER07010301
6. Eberspacher, M. A., M. Bauer, and T. F. Eibert, "Design and analysis of an isotropic two-dimensional planar composite right/left-handed waveguide structure," Adv. Radio Sci., Vol. 9, 73-78, 2011.
doi:10.5194/ars-9-73-2011
7. Si, L.-M., T. Jiang, K. Chang, X. Lv, L. Ran, and H. Xin, "Active microwave metamaterials incorporating ideal gain devices," Materials, Vol. 4, No. 1, 73-83, Jan. 2010.
doi:10.3390/ma4010073
8. Casares-Miranda, F. P., C. Camacho-Penalosa, and C. Caloz, "High-gain active composite right/left-handed leaky-wave antenna," IEEE Trans. Antennas Propagat., Vol. 54, No. 8, 2292-2300, Aug. 2006.
doi:10.1109/TAP.2006.879210
9. Nakagawa, S. and K. Narahara, "Characterization of left-handed traveling-wave transistors," IEICE Trans. Electron., Vol. E92-C, 1396-1400, 2009.
doi:10.1587/transele.E92.C.1396
10. Gupta, K. C., R. Garg, and I. J. Bahl, Microstrip Lines and Slotlines, Artech, 1979.