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A coding metasurfaces used for wideband radar cross section reduction in terahertz frequencies

Yan Xin Liang Lan-Ju Zhang Ya-Ting Ding Xin Yao Jian-Quan

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A coding metasurfaces used for wideband radar cross section reduction in terahertz frequencies

Yan Xin, Liang Lan-Ju, Zhang Ya-Ting, Ding Xin, Yao Jian-Quan
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  • In this paper, we propose a flexible, non-directional lowering scattering 1 bit coding metasurface which can significantly reduce the radar cross section (RCS) within an ultra wide terahertz (THz) frequency band. The total thickness of the coding metasurface is only 40.4 μm. The 1 bit coding metasurface is composed of “0” and “1” elements. And the “0” and “1” elements of metasurface are realized separately by a substrate without any metallic covering and that with a square metallic ring covering, the reflection phase difference of the two elements is about 180 degree in a wide THz frequency range. The theoretical, analytical, and simulation results show that the coding metasurfaces simply manipulate electromagnetic waves by coding the “0” and “1” elements in different sequences. Specific coding sequences result in the far-field scattering patterns varying from single beam to two, three, and numerous beams in THz frequencies. The metasurface with the numerous scattering waves can disperse the reflection into a variety of directions for non-periodic coding sequence way, and in each direction the energy is small based on the energy conservation principle. Full-wave simulation results show that the reflectivity less than -10 dB for coding metasurface can be achieved in a wide frequency range from 1-1.4 THz at normal incidence, and the RCS reduction as compared with a bare metallic plate with the same size is essentially more than 10 dB, in agreement with the bandwidth of reflectivity being less than -10 dB; the maximum reduction can be up to 19 dB. The wideband RCS reduction results are consistent with the bandwidth of 180 degrees phase difference between the two elements “0” and “1”. This wideband characteristic of RCS reduction can be kept up as the coding metasurface is wrapped around a metallic cylinder with a diameter of 4 mm. The presented method opens a new way to control THz waves by coding metasurface, so it is of great application values in stealth, imaging, and broadband communications of THz frequencies.
    • Funds: Project supported by the National Natural Science Foundation of China (Grant No. 61271066), the Science and Technology development Program of Shandong Province (Grant No. J13LN07), the China Postdoctoral Science Foundation (Grant No. 2015M571263), and the high Education Science Technology Program of Shandong Province (Grant No. J15LN36).
    [1]

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    [2]

    Tonouchi M 2007 Nat. Phontonics 1 97

    [3]

    Shelby R A, Smith D R, Schultz S 2001 Science 292 77

    [4]

    Xie L, Yao Y, Ying Y 2014 Appl. Spectrosc. Rev. 49 448

    [5]

    Benz A, Krall M, Schwarz S, Dietze D, Detz H, Andrews A M, Schrenk W 2014 Sci. Rep. 4 1

    [6]

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    [7]

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    [8]

    Alves F, Grbovic D, Kearney B, Karunasiri G 2012 Opt. Lett. 37 1886

    [9]

    Iwaszczuk K, Strikwerda A C, Fan K, Zhang X, Averitt R D, Jepsen P U 2011 Opt. Express 20 635

    [10]

    Hua H Q, Jiang Y S, He Y T 2014 Prog. Electromagn. Res. B 59 193

    [11]

    Li S J, Cao X Yu, Gao J Z, Qiu R Z, Yi Y Q 2013 Acta Phys. Sin. 62 194101 (in Chinese) [李思佳, 曹祥玉, 高军, 郑秋容, 陈红雅, 赵一, 杨群 2013 物理学报 62 194101]

    [12]

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    [13]

    Yang X M, Zhou X Y, Cheng Q, Ma H F, Cui T J 2010 Opt. Lett. 35 808

    [14]

    Li Y F, Zhang J Q, Qu S B, Wang J F, Chen H Y, Xu Z, Zhang A X 2014 Acta Phys. Sin. 63 084103 (in Chinese) [李勇峰, 张介秋, 屈绍波, 王甲富, 陈红雅, 徐卓, 张安学 2014 物理学报 63 084103]

    [15]

    Chen J, Cheng Q, Zhao J, Cui T J 2014 Prog. Electromagn. Res. 146 71

    [16]

    Ye Y Q, Jin Y, He S L 2014 J. Opt. Soc. Am. B 27 498

    [17]

    Wang F W, Gong S X, Zhang S, Mu X, Hong T 2012 Prog. Electromagn. Res. 25 248

    [18]

    Yang H H, Cao X Y, Gao J, Li W, Yuan Z, Shang K 2013 Prog. Electromagn. Res. 33 31

    [19]

    Wang K, Zhao J, Cheng Q, Dong D S, Cui T J 2014 Sci. Rep. 4 5395

    [20]

    Li Y F, Zhang J Q, Qu S B, Wang J F, Cheng H Y, Xu Z, Zhang A X 2014 Appl. Phys. Lett. 104 221110

    [21]

    Li W H, Zhang J Q, Qu S B, Yuan H Y, Shen Y, Wang D J, Guo M C 2015 Acta Phys. Sin. 64 084101 (in Chinese) [李文惠, 张介秋, 屈绍波, 袁航盈, 沈杨, 王冬骏, 过勐超 2015 物理学报 64 084101]

    [22]

    Cui T J, Qi M Q, Wan X, Zhao J, Cheng Q 2014 Light: Sci. Appl. 3 e218

  • [1]

    Ferguson B, Zhang X C 2002 Nat.Mater. 1 26

    [2]

    Tonouchi M 2007 Nat. Phontonics 1 97

    [3]

    Shelby R A, Smith D R, Schultz S 2001 Science 292 77

    [4]

    Xie L, Yao Y, Ying Y 2014 Appl. Spectrosc. Rev. 49 448

    [5]

    Benz A, Krall M, Schwarz S, Dietze D, Detz H, Andrews A M, Schrenk W 2014 Sci. Rep. 4 1

    [6]

    Nagatsuma T 2011 IEICE Electronic Exp. 8 1127

    [7]

    Federici J, Moeller L 2010 J. Appl. Phys. 107 111101

    [8]

    Alves F, Grbovic D, Kearney B, Karunasiri G 2012 Opt. Lett. 37 1886

    [9]

    Iwaszczuk K, Strikwerda A C, Fan K, Zhang X, Averitt R D, Jepsen P U 2011 Opt. Express 20 635

    [10]

    Hua H Q, Jiang Y S, He Y T 2014 Prog. Electromagn. Res. B 59 193

    [11]

    Li S J, Cao X Yu, Gao J Z, Qiu R Z, Yi Y Q 2013 Acta Phys. Sin. 62 194101 (in Chinese) [李思佳, 曹祥玉, 高军, 郑秋容, 陈红雅, 赵一, 杨群 2013 物理学报 62 194101]

    [12]

    Cheng C W, Abbas M N, Chiu C W, Lai K T, Shih M H, Chang Y C 2012 Opt. Express 20 10376

    [13]

    Yang X M, Zhou X Y, Cheng Q, Ma H F, Cui T J 2010 Opt. Lett. 35 808

    [14]

    Li Y F, Zhang J Q, Qu S B, Wang J F, Chen H Y, Xu Z, Zhang A X 2014 Acta Phys. Sin. 63 084103 (in Chinese) [李勇峰, 张介秋, 屈绍波, 王甲富, 陈红雅, 徐卓, 张安学 2014 物理学报 63 084103]

    [15]

    Chen J, Cheng Q, Zhao J, Cui T J 2014 Prog. Electromagn. Res. 146 71

    [16]

    Ye Y Q, Jin Y, He S L 2014 J. Opt. Soc. Am. B 27 498

    [17]

    Wang F W, Gong S X, Zhang S, Mu X, Hong T 2012 Prog. Electromagn. Res. 25 248

    [18]

    Yang H H, Cao X Y, Gao J, Li W, Yuan Z, Shang K 2013 Prog. Electromagn. Res. 33 31

    [19]

    Wang K, Zhao J, Cheng Q, Dong D S, Cui T J 2014 Sci. Rep. 4 5395

    [20]

    Li Y F, Zhang J Q, Qu S B, Wang J F, Cheng H Y, Xu Z, Zhang A X 2014 Appl. Phys. Lett. 104 221110

    [21]

    Li W H, Zhang J Q, Qu S B, Yuan H Y, Shen Y, Wang D J, Guo M C 2015 Acta Phys. Sin. 64 084101 (in Chinese) [李文惠, 张介秋, 屈绍波, 袁航盈, 沈杨, 王冬骏, 过勐超 2015 物理学报 64 084101]

    [22]

    Cui T J, Qi M Q, Wan X, Zhao J, Cheng Q 2014 Light: Sci. Appl. 3 e218

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  • Cited By: 0
Publishing process
  • Received Date:  22 January 2015
  • Accepted Date:  26 April 2015
  • Published Online:  05 August 2015

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