[1] Sirtori C. Bridge for the terahertz gap [J]. Nature(S0028-0836)，2002，417：132-133.

[2] Siegel P H. Terahertz technology [J]. IEEE Transactions on Microwave Theory and Techniques(S0018-9480)，2002，50(3)： 910-928.

[3] Tonouchi M. Cutting-edge terahertz technology [J]. Nature Photonics(S1749-4885)，2007，1(2)：97–105.

[4] Landy N I，Sajuyigbe S，Mock J J，et al. Perfect metamaterial absorber [J]. Physical Review Letter(S0031-9007)，2008，100(20)：207402.

[5] HU Tao，Binghan C M，Strikwerda A C，et al. Highly flexible wide angle of incidence terahertz metamaterial absorber：Design， fabrication，and characterization [J]. Physical Review B(S1098-0121)，2008，78(24)：241103.

[6] Withayachumnankul W，Abbott D. Metamaterials in the terahertz regime [J]. IEEE Photonics Journal(S1943-0655)，2009， 1(2)：99-118.

[7] LIU Xianliang，Starr T，Starr A F，et al. Infrared spatial and frequency selective metamaterial with near-unity absorbance [J]. Physical Review Letter(S0031-9007)，2010，104(20)：207403.

[8] LIU Na，Mesch M，Weiss T，et al. Infrared perfect absorber and its application as plasmonic sensor [J]. Nano Letters(S1530-6992)，2010，10(7)：2342.

[9] Teperik T V，García de Abajo F J，Borisov A G，et al. Omnidirectional absorption in nanostructured metal surfaces [J]. Nature Photonics(S1749-4885)，2008，2(5)：299–301.

[10] YE Yuqian，JIN Yi，HE Sailing. Omnidirectional，polarization-insensitive and broadband thin absorber in the terahertz regime [J]. Journal of the Optical Society of America B-optical Physics(S0740-3224)，2010，27(3)：498-504.

[11] GUO Yinghui，YAN Lianshan，PAN Wei，et al. Ultra-broadband terahertz absorbers based on 4×4 cascaded metal-dielectric pairs [J]. Plasmonics(S1557-1963)，2014，9：951.

[12] FENG Qin，PU Mingbo，HU Chenggang，et al. Engineering the dispersion of metamaterial surface for broadband infrared absorption [J]. Optics Letters(S0895-2477)，2012，37(11)：2133-2135.

[13] WANG Benxin，WANG Lingling，WANG Guizhen，et al. Frequency continuous tunable terahertz metamaterial absorber [J]. Journal of Lightwave Technology(S0733-8724)，2014，32(6)：1183-1189.

[14] CHEN Houtong，Padilla W J，Zide J M，et al. Active terahertz metamaterial devices [J]. Nature(S0028-0836)，2006， 444(7119)：597–600.

[15] Novoselov K S，Geim A K，Morozov S V，et al. Electric field effect in atomically thin carbon films [J]. Science(S0036-8075)， 2004，306：666-669.

[16] WANG Feng，ZHANG Yuanbo，TIAN Chuanshan，et al. Gate-variable optical transitions in graphene [J]. Science (S0036-8075)，2008，320(5873)：206-209.

[17] ZHANG Yuanbo，TANG Tsung-Ta，Girit C，et al. Direct observation of a widely tunable bandgap in bilayer graphene [J]. Nature(S0028-0836)，2009，459(7248)：820-823.

[18] JU Long ，GENG Baisong ， Horng J ， et al. Graphene plasmonics for tunable terahertz metamaterials [J]. Nature Nanotechnology(S1748-3387)，2011，6(10)：630-634.

[19] Vakil A，Engheta N. Transformation optics using graphene [J]. Science(S0036-8075)，2011，332(6035)：1291-1294.

[20] YAN Hugen，LI Xuesong，Chandra B，et al. Tunable infrared plasmonic devices using graphene/insulator stacks [J]. Nature Nanotechnology(S1748-3387)，2012，7(5)：330-334.

[21] PU Mingbo，CHEN Po，WANG Yanqin，et al. Strong enhancement of light absorption and highly directive thermal emission in graphene [J]. Optics Express(S1094-4087)，2013，21(10)：11618-11627.

[22] XU Bingzheng，GU Changqing，LI Zhuo，et al. A novel structure for tunable terahertz absorber based on graphene [J]. Optics Express(S1094-4087)，2013，21(20)：23803-23801.

[23] Woo J M，Kim M S，Kim H W，et al. Graphene based salisbury screen for terahertz absorber [J]. Applied Physics Letters(S0003-6951)，2014，104(8)：081106.

[24] Alaee R，Farhat M，Rockstuhl C，et al. A perfect absorber made of a graphene micro-ribbon metamaterial [J]. Optics Express(S1094-4087)，2012，20(27)：28017-28024.

[25] Amin M，Farhat M，Ba c H. An ultra-broadband multilayered graphene absorber [J]. Optics Express(S1094-4087)，2013， 21(24)：29938-29948.

[26] Andryieuski A，Lavrinenko A V. Graphene metamaterials based tunable terahertz absorber：effective surface conductivity approach [J]. Optics Express(S1094-4087)，2013，21(7)：9144-9155.

[27] ZHANG Yin，FENG Yijun，ZHU Bo，et al. Graphene based tunable metamaterial absorber and polarization modulation in terahertz frequency [J]. Optics Express(S1094-4087)，2014，22(19)：22743-22752.

[28] Falkovsky L A，Pershoguba S S. Optical far-Infrared properties of a graphene monolayer and multilayer [J]. Physical Review B(S1098-0121)，2007，76：153410.

[29] Hwang E H，Das Sarma S. Dielectric function，screening，and plasmons in two-dimensional graphene [J]. Physical Review B(S1098-0121)，2007，75：205418.

[30] Gusynin V P，Sharapov S G，Carbotte J P. Magneto-optical conductivity in graphene [J]. Journal of Physics-condensed Matter(S0953-8984)，2007，19：026222.

[31] Hanson G W. Dyadic Greens functions and guided surface waves for a surface conductivity model of graphene [J]. Journal of Applied Physics(S0021-8979)，2008，103：064302.

[32] PU Mingbo，HU Chenggang，WANG Min，et al. Design principles for infrared wide-angle perfect absorber based on plasmonic structure [J]. Optics Express(S1094-4087)，2011，19(18)：17413-17420.