[1] Pendry J B. Negative refraction makes a perfect lens. Physical Review Letters, 2000, 85(18): 3966-3969
[2] Valentine J, Li J S, Zentgraf T, Bartal G, Zhang X. An optical cloak made of dielectrics. Nature Materials, 2009, 8(7): 568-571
[3] Shelby R A, Smith D R, Schultz S. Experimental verification of a negative index of refraction. Science, 2001, 292(5514): 77-79
[4] Guo Y H, Yan L S, Pan W, Luo B, Wen K H, Guo Z, Luo X G. Electromagnetically induced transparency (EIT)-like transmission in side-coupled complementary split-ring resonators. Optics Express, 2012, 20(22): 24348-24355
[5] Landy N I, Bingham C M, Tyler T, Jokerst N, Smith D R, Padilla W J. Design, theory, and measurement of a polarization-insensitive absorber for terahertz imaging. Physical Review B: Condensed Matter and Materials Physics, 2009, 79(12): 125104-125109
[6] Cui Y X, Fung K H, Xu J, Ma H J, Jin Y, He S L, Fang N X. Ultrabroadband light absorption by a sawtooth anisotropic metamaterial slab. Nano Letters, 2012, 12(3): 1443-1447
[7] Ye Y Q, Jin Y, He S L. Omnidirectional, polarization-insensitive and broadband thin absorber in the terahertz regime. JOSA B, 2010, 27(3): 498-504
[8] Ma Y, Chen Q, Grant J, Saha S C, Khalid A, Cumming D R S. A terahertz polarization insensitive dual band metamaterial absorber. Optics Letters, 2011, 36(6): 945-947
[9] Grant J, Ma Y, Saha S, Khalid A, Cumming D R S. Polarization insensitive, broadband terahertz metamaterial absorber. Optics Letters, 2011, 36(17): 3476-3478
[10] Aydin K, Ferry V E, Briggs R M, Atwater H A. Broadband polarization-independent resonant light absorption using ultrathin plasmonic super absorbers. Nature Communication, 2011, 2: 517
[11] Feng Q, Pu M B, Hu C G, Luo X G. Engineering the dispersion of metamaterial surface for broadband infrared absorption. Optics Letters, 2012, 37(11): 2133-2135
[12] Chen Q, Sun F H, Song S C. Subcell misalignment in vertically cascaded metamaterial absorbers. Optics Express, 2013, 21(13): 15896-15903
