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In this paper, we design and fabricat a polarization-independent dual-directional metamaterial absorber. The simulation results indicate that the absorber keeps good absorbing performance in a wide incidence angles for both transverse electric and transverse magnetic polarization, and that the high absorption is due to the dielectric loss of substrates. The experimental results indicate that the absorber achieves dual-directional high absorption at normal incidence, and that the peak absorptions are 95.9% and 90.8%, respectively. The metamaterial absorber is very thin, and its thickness is approximately 1/34 of the working wavelength. The metamaterial absorber has many advantages such as high absorption, small thickness, simple design and easy processing.
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[2] Smith D R, Padilla W J, Vier D C, Nemat-Nasser S C, Schultz S 2000 Phys. Rev. Lett. 84 4184
[3] Shelby R A, Smith D R, Schultz S 2001 Science 292 77
[4] Pendry J B 2000 Phys. Rev. Lett. 85 3966
[5] Schurig D, Mock J J, Justice B J, Cummer S A, Pendry J B, Starr A F, Smith D R 2006 Science 314 977
[6] Landy N I, Sajuyigbe S, Mock J J, Smith D R, Padilla W J 2008 Phys. Rev. Lett. 100 207402
[7] Wang B, Koschny T, Soukoulis C M 2009 Phys. Rev. B 80 033108
[8] Zhang Y P, Zhao X P, Bao S, Luo C R 2010 Acta Phys. Sin. 59 6078 (in Chinese) [张燕萍, 赵晓鹏, 保石, 罗春荣 2010 59 6078]
[9] Alici K B, Bilotti F, Vegni L, Ozbay E 2010 J. Appl. Phys. 108 083113
[10] Xu Y Q, Zhou P H, Zhang H B, Chen L, Deng L J 2011 J. Appl. Phys. 110 044102
[11] Bao S, Luo C R, Zhang Y P, Zhao X P 2010 Acta Phys. Sin. 59 3187 (in Chinese) [保石, 罗春荣, 张燕萍, 赵晓鹏 2010 59 3187]
[12] Ding F, Cui Y X, Ge X C, Jin Y, He S L 2012 Appl. Phys. Lett. 100 103506
[13] Wen Q Y, Zhang H W, Xie Y S, Yang Q H, Liu Y L 2009 Appl. Phys. Lett. 95 241111
[14] Ye Y Q, Jin Y, He S L 2010 J. Opt. Soc. Am. B 27 498
[15] Huang L, Chowdhury D R, Ramani S, Reiten M T, Luo S N, Uaylor A J, Chen H T 2012 Opt. Lett. 37 154
[16] Liu N, Mesch M, Weiss T, Hentschel M, Giessen H 2010 Nano Lett. 10 2342
[17] Jiang Z H, Yun S, Toor F, Werner D H, Mayer T S 2011 ACS Nano 5 4641
[18] Wang J, Chen Y T, Hao J M, Yan M, Qiu M 2011 J. Appl. Phys. 109 074510
[19] Dai L, Jiang C 2009 Opt. Express 17 20502
[20] Aydin K, Ferry V E, Briggs R M, Atwater H A 2011 Nat. Commun. 2 517
[21] Lin C H, Chern R L, Lin H Y 2011 Opt. Express 19 415
[22] Hu C G, Li X, Feng Q, Chen X N, Luo X G 2010 J. Appl. Phys. 108 053103
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[1] Veselago V G 1968 Sov. Phys. Usp. 10 509
[2] Smith D R, Padilla W J, Vier D C, Nemat-Nasser S C, Schultz S 2000 Phys. Rev. Lett. 84 4184
[3] Shelby R A, Smith D R, Schultz S 2001 Science 292 77
[4] Pendry J B 2000 Phys. Rev. Lett. 85 3966
[5] Schurig D, Mock J J, Justice B J, Cummer S A, Pendry J B, Starr A F, Smith D R 2006 Science 314 977
[6] Landy N I, Sajuyigbe S, Mock J J, Smith D R, Padilla W J 2008 Phys. Rev. Lett. 100 207402
[7] Wang B, Koschny T, Soukoulis C M 2009 Phys. Rev. B 80 033108
[8] Zhang Y P, Zhao X P, Bao S, Luo C R 2010 Acta Phys. Sin. 59 6078 (in Chinese) [张燕萍, 赵晓鹏, 保石, 罗春荣 2010 59 6078]
[9] Alici K B, Bilotti F, Vegni L, Ozbay E 2010 J. Appl. Phys. 108 083113
[10] Xu Y Q, Zhou P H, Zhang H B, Chen L, Deng L J 2011 J. Appl. Phys. 110 044102
[11] Bao S, Luo C R, Zhang Y P, Zhao X P 2010 Acta Phys. Sin. 59 3187 (in Chinese) [保石, 罗春荣, 张燕萍, 赵晓鹏 2010 59 3187]
[12] Ding F, Cui Y X, Ge X C, Jin Y, He S L 2012 Appl. Phys. Lett. 100 103506
[13] Wen Q Y, Zhang H W, Xie Y S, Yang Q H, Liu Y L 2009 Appl. Phys. Lett. 95 241111
[14] Ye Y Q, Jin Y, He S L 2010 J. Opt. Soc. Am. B 27 498
[15] Huang L, Chowdhury D R, Ramani S, Reiten M T, Luo S N, Uaylor A J, Chen H T 2012 Opt. Lett. 37 154
[16] Liu N, Mesch M, Weiss T, Hentschel M, Giessen H 2010 Nano Lett. 10 2342
[17] Jiang Z H, Yun S, Toor F, Werner D H, Mayer T S 2011 ACS Nano 5 4641
[18] Wang J, Chen Y T, Hao J M, Yan M, Qiu M 2011 J. Appl. Phys. 109 074510
[19] Dai L, Jiang C 2009 Opt. Express 17 20502
[20] Aydin K, Ferry V E, Briggs R M, Atwater H A 2011 Nat. Commun. 2 517
[21] Lin C H, Chern R L, Lin H Y 2011 Opt. Express 19 415
[22] Hu C G, Li X, Feng Q, Chen X N, Luo X G 2010 J. Appl. Phys. 108 053103
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