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A two-dimensional phase gradient meta-surface based on cross structure insensitive to polarization is designed and verified by simulation and experiment. Several periodic metal cross structures are integrated into a superstructure, and an additional component of the wave vector on the meta-surface is formed and the direction of refelction wave can be regulated. Thus the backward radar cross section (RCS) reduction can be realized by the mechanism of anomalous reflection. Experimental results indicate that in a frequency range from 3.2 to 3.4 GHz, the reduction of backward RCS of meta-surface reaches a highest value of 18.19 dB in the normal direction of meta-surface and 8 dB on the average in an angular range between -30° and +30°.
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Keywords:
- radar cross section /
- meta-surface /
- phase gradient /
- anomalous reflection
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[2] Aieta F, Genevet P, Yu N, Kats M A, Gaburro Z, Capasso F 2012 Nano Lett. 12 1702
[3] Sun S, He Q, Xiao S, Xu Q, Li X, Zhou L 2012 Nature Mater. 11 426
[4] Sun Y Y, Han L, Shi X Y, Wang Z N, Liu D H 2013 Acta Phys. Sin. 62 104201 (in Chinese) [孙彦彦, 韩璐, 史晓玉, 王兆娜, 刘大禾 2013 62 104201]
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[9] Kats A V, Savel'ev S, Yampol'skii V A, Nori F 2007 Phys. Rev. Lett. 98 073901
[10] Zhang H F, Cao D, Tao F, Yang X H, Wang Y, Yan X N, Bai L H 2010 Chin. Phys. B 19 027301
[11] Quan J, Tian Y, Zhang J, Shao L X 2011 Chin. Phys. B 20 047201
[12] Chen H Y, Wang J F, Ma H, Qu S B, Zhang A X 2014 J. Microwaves 30 1 (in Chinese) [陈红雅, 王甲富, 马华, 屈绍波, 张安学 2014 微波学报 30 1]
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[14] Cheng Y Z, Nie Y, Gong R Z 2013 Appl. Phys. B 111 483
[15] Cheng Y Z, Nie Y, Wang X, Gong R Z 2014 J. Appl. Phys. 115 064902
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[1] Yu N, Genevet P, Kats M A, Aieta F, Tetienne J P, Capasso F, Gaburro Z 2011 Science 334 333
[2] Aieta F, Genevet P, Yu N, Kats M A, Gaburro Z, Capasso F 2012 Nano Lett. 12 1702
[3] Sun S, He Q, Xiao S, Xu Q, Li X, Zhou L 2012 Nature Mater. 11 426
[4] Sun Y Y, Han L, Shi X Y, Wang Z N, Liu D H 2013 Acta Phys. Sin. 62 104201 (in Chinese) [孙彦彦, 韩璐, 史晓玉, 王兆娜, 刘大禾 2013 62 104201]
[5] Wang J F, Qu S B, Ma H, Xu Z, Zhang A X, Zhou H, Chen H Y, Li Y F 2012 Appl. Phys. Lett. 101 201104
[6] Han L, Wang Z N 2013 Collelge Physics 32 0349 (in Chinese) [韩璐, 王兆娜 2013 大学物理 32 0349]
[7] Yampol'skii V A, Gulevich D R, Savel'ev S, Nori F 2008 Phys. Rev. B 78 054502
[8] Yampol'skii V A, Kats A V, Nesterov M L, Nikitin A Y, Slipchenko T M, Savel'ev S, Nori F 2009 Phys. Rev. B 79 214501
[9] Kats A V, Savel'ev S, Yampol'skii V A, Nori F 2007 Phys. Rev. Lett. 98 073901
[10] Zhang H F, Cao D, Tao F, Yang X H, Wang Y, Yan X N, Bai L H 2010 Chin. Phys. B 19 027301
[11] Quan J, Tian Y, Zhang J, Shao L X 2011 Chin. Phys. B 20 047201
[12] Chen H Y, Wang J F, Ma H, Qu S B, Zhang A X 2014 J. Microwaves 30 1 (in Chinese) [陈红雅, 王甲富, 马华, 屈绍波, 张安学 2014 微波学报 30 1]
[13] 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 63 084103]
[14] Cheng Y Z, Nie Y, Gong R Z 2013 Appl. Phys. B 111 483
[15] Cheng Y Z, Nie Y, Wang X, Gong R Z 2014 J. Appl. Phys. 115 064902
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