| [1] | [1] VESELAGO V G. The electrodynamics of substances with simultaneously negative values of ε and μ [J]. Sov. Phys. Usp.,1968,10:509-514. [2] SMITH D R,PADILLA W J,VIER D C,et al.. Composite medium with simultaneously negative permeability and permittivity [J]. Phys. Rev. Lett.,2000,84:4184-4187. [3] SHELBY R A,SMITH D R,SCHULTZ S. Experimental verification of a negative index of refraction [J]. Science,2001,292:77-79. [4] SHALAEV V M,CAI W,CHETTIAR U K,et al.. Negative index of refraction in optical metamaterials [J]. Opt. Lett.,2005,30:3356-3358. [5] BULU I,CAGLAYAN H,OZBAY E. Experimental demonstration of labyrinth-based left-handed metamaterials [J]. Opt. Express,2005,13:10238-10247. [6] ZHANG S,FAN W,PANOIU N C,et al.. Experimental demonstration of near-infrared negative-index metamaterials [J]. Phys. Rev. Lett.,2005,95:137404/1-4. [7] ZHOU J,ZHANG L,TUTTLE G,et al.. Negative index materials using simple short wire pairs [J]. Phys. Rev. B,2006,73:041101/1-4. [8] PENDRY J B,HOLDEN A,ROBBINS D D,et al.. Magnetism from conductors and enhanced nonlinear phenomena [J]. IEEE Trans. Microwave Theory Technol.,1999,47:2075-2084. [9] PENDRY J B,HOLDEN A,STEWART W,et al.. Extremely low frequency plasmons in metallic mesostructures [J]. Phys. Rev. Lett.,1996,76:4773-4776. [10] KATSARAKIS N,KONSTANTINIDIS G,KOSTOPOULOS A,et al.. Magnetic response of split-ring resonators in the far-infrared frequency regime [J]. Opt. Lett.,2004,30:1348-1350. [11] YEN T J,PADILLA W J,FANG N,et al.. Terahertz magnetic response from artificial materials [J]. Science,2004,303:1494-1496. [12] LINDEN S,ENKRICH C,WEGENER M,et al.. Magnetic response of metamaterials at 100 terahertz [J]. Science,2004,306:1351-1353. [13] KATSARAKIS N,KOSCHNY T,KAFESAKI M,et al.. Electric coupling to the magnetic response of split ring resonators [J]. Appl. Phys. Lett.,2004,84: 2943-2945. [14] GRISCHKOWSKY D. Frontiers in Nonlinear Optics [M]. Philadelphia:Institute of Physics Publishing,1992. [15] SZE S M. Physics of Semiconductor Devices [M]. New York:Wiley,1981. [16] NUSS M C,ORENSTEIN J. Terahertz time-domain spectroscopy [M]. Berlin:Springer,1998. [17] HAN P Y,TANI M,USAMI M,et al.. A direct comparison between terahertz time-domain spectroscopy and far-infrared Fourier transform spectroscopy [J]. J. Appl. Phys.,2001,89(4):2357-2359 |