圆极化波反射聚焦超表面

李勇峰; 张介秋; 屈绍波; 王甲富; 吴翔; 徐卓; 张安学

doi:10.7498/aps.64.124102

摘要

基于圆极化波入射条件下的高效同极化反射超表面实现了对圆极化反射波相位的自由调控, 设计了一维圆极化波反射聚焦超表面. 在中心频率f=16 GHz附近, 右旋圆极化平面波入射时, 反射波聚焦于焦距L=200 mm的实焦点; 左旋圆极化波入射时, 反射波近似聚焦于焦距L=-200 mm的虚焦点. 仿真计算得到聚焦波束的波束宽度、焦深. 结果表明, 这种圆极化反射聚焦超表面具有很好的聚焦效果, 同时具有长焦深和宽带特性.

关键词:

Abstract

The phase profiles of the reflected circularly polarized waves can be freely manipulated by virtue of a co-polarization reflective metasurface. Based on the co-polarization reflective metasurface, a circularly polarized wave reflection focusing metasurface can be achieved, it can make the reflected waves focus at a focal spot under the normal incidence of circularly polarized plane waves. In this paper, a reflection focusing metasurface is designed. It is found that around the central frequency f=16 GHz, the reflected waves focus on a focal spot above the metasurface with a focal distance L=200 mm under the normal incidence of right-handed circularly polarized waves. However, in the case of normal incidence of left-handed circularly waves, the reflected waves focus on an imaginary focal spot below the metasurface with the focal distance L=-200 mm. The beam-width at the focal spot and focal depth are also calculated by using CST Microwave Studio. The simulation results indicate that the beam-width at the focal spot is approximately equal to the operating wavelength. Therefore, the circularly polarized wave reflection focusing metasurface has a good performance for focusing the reflected waves. In addition, the proposed focusing metasurface displays the advantages of the long focal depth and the broad operating bandwidth.

Keywords:

作者及机构信息

1.
空军工程大学理学院, 西安 710051;

2.
西安交通大学, 电子陶瓷与器件教育部重点实验室, 西安 710049;

3.
西安交通大学电子信息工程学院, 西安 710049

基金项目: 国家自然科学基金(批准号:61331005,11204378,11274389,11304393,61302023)、中国博士后科学基金(批准号:2013M532131,2013M532221)和陕西省基础研究计划(批准号:2011JQ8031,2013JM6005)资助的课题.

Authors and contacts

1.
College of Science, Air Force Engineering University, Xi’an 710051, China;

2.
Key Laboratory of Electronic Materials Research of Ministry of Education, Xi’an Jiaotong University, Xi’an 710049, China;

3.
School of Electronics and Information Engineering, Xi’an Jiaotong University, Xi’an 710049, China

Funds: Project supported by the National Natural Science Foundation of China (Grants Nos. 61331005, 11204378, 11274389, 11304393, 61302023), the National Science Foundation for Post-doctoral Scientists of China (Grant Nos. 2013M532131, 2013M532221), and the Natural Science Foundation of Shaanxi Province, China (Grant Nos. 2011JQ8031, 2013JM6005).

参考文献

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[9]	Hu D, Wang X K, Feng S F, Ye J S, Sun W F, Kan Q, Klar P J, Zhang Y 2013 Adv. Opt. Mater. 1 186
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[12]	Yu N, Aieta F, Genevet P, Kats M A, Gaburro Z, Capasso F 2012 Nano Lett. 12 6328
[13]	Aieta F, Genevet P, Kats M A, Yu N F, Blanchard R, Gaburro Z, Capasso F 2012 Nano Lett. 12 4932
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[16]	Huang L, Chen X, Mhlenbernd H, Li G, Bai B, Tan Q, Jin G, Zentgraf T, Zhang S 2012 Nano Lett. 12 5750
[17]	Pfeiffer C, Grbic A 2013 Phys. Rev. Lett. 110 197401
[18]	Ni X, Emani N K, Kildishev A V, Boltasseva A, Shalaev V M 2012 Science 335 427
[19]	SunY 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]
[20]	Li Y F, Zhang J Q, Qu S B, Wang J F, Chen H Y, Zheng L, Xu Z, Zhang A X 2014 J. Phys. D: Appl. Phys. 47 425103
[21]	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]
[22]	Sun S, Yang K Y, Wang C M, Juan T K, Chen W T, Liao C Y, He Q, Xiao S Ｙ, Kung W T, Guo G Y, Zhou L, Tsai D P 2012 Nano Lett. 12 6223
[23]	Sun S L, He Q, Xiao S Y, Xu Q, Li X, Zhou L 2012 Nat. Mater. 11 426
[24]	Huang L L, Chen X Z, Bai B F, Tan Q F, Jin G F, Zentgraf T, Zhang S 2013 Light: Sci. Appl. 2 e70
[25]	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
[26]	Feng M D, Wang J F, Ma H, Mo W D, Ye H J, Qu S B 2013 J. Appl. Phys. 114 074508
[27]	Chen H Y, Wang J F, Ma H, Qu S B, Xu Z, Zhang A X, Yan M B, Li Y 2014 J. Appl. Phys. 115 154504
[28]	Zhao Y, Alù A 2011 Phys. Rev. B 84 205428
[29]	Zhu H L, Cheung S W, Chung K L, Yuk T I 2013 IEEE Trans. Antennas Propag. 61 4615

施引文献

[1]	Pinchuk A O, Schatz G C 2007 J. Opt. Soc. Am. 24 2313
[2]	Paul O, Reinhard B, Krolla B, Beigang R, Rahm M 2010 Appl. Phys. Lett. 96 241110
[3]	Yu N F, Capasso F 2014 Nat. Mater. 13 139
[4]	Francesco M, Andrea A 2014 Chin. Phys. B 23 047809
[5]	Lee J H, Yoon J W, Jung M J, Hong J K, Song S H, Magnusson R 2014 Appl. Phys. Lett. 104 233505
[6]	Li X, Xiao S Y, Cai B G, He Q, Cui T J, Zhou L 2012 Opt. Lett. 37 4940
[7]	Pors A, Nielsen M G, Eriksen R L, Bozhevolnyi S I 2013 Nano Lett. 13 829
[8]	Jiang X Y, Ye J S, He J W, Wang X K, Hu D, Feng S F, Kan Q, Zhang Y 2013 Opt. Express 21 30030
[9]	Hu D, Wang X K, Feng S F, Ye J S, Sun W F, Kan Q, Klar P J, Zhang Y 2013 Adv. Opt. Mater. 1 186
[10]	Huang Y W, Zhao Q C, Kalyoncu S K, Torun R, Lu Y, Capolino F, Boyraz O 2014 Appl. Phys. Lett. 104 161106
[11]	Yu N F, Genevet P, Kats M A, Aieta F, Tetienne J P, Capasso F, Gaburro Z 2011 Science 334 333
[12]	Yu N, Aieta F, Genevet P, Kats M A, Gaburro Z, Capasso F 2012 Nano Lett. 12 6328
[13]	Aieta F, Genevet P, Kats M A, Yu N F, Blanchard R, Gaburro Z, Capasso F 2012 Nano Lett. 12 4932
[14]	Aieta F, Genevet P, Yu N, Kats M A, Gaburro Z, Capasso F 2012 Nano Lett. 12 1702
[15]	Nathaniel K, Grady N K, Heyes J E, Chowdhury D R, Zeng Y, Reiten M T, Azad A K, Taylor A J, Dalvit D A R, Chen H T 2013 Science 340 1304
[16]	Huang L, Chen X, Mhlenbernd H, Li G, Bai B, Tan Q, Jin G, Zentgraf T, Zhang S 2012 Nano Lett. 12 5750
[17]	Pfeiffer C, Grbic A 2013 Phys. Rev. Lett. 110 197401
[18]	Ni X, Emani N K, Kildishev A V, Boltasseva A, Shalaev V M 2012 Science 335 427
[19]	SunY 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]
[20]	Li Y F, Zhang J Q, Qu S B, Wang J F, Chen H Y, Zheng L, Xu Z, Zhang A X 2014 J. Phys. D: Appl. Phys. 47 425103
[21]	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]
[22]	Sun S, Yang K Y, Wang C M, Juan T K, Chen W T, Liao C Y, He Q, Xiao S Ｙ, Kung W T, Guo G Y, Zhou L, Tsai D P 2012 Nano Lett. 12 6223
[23]	Sun S L, He Q, Xiao S Y, Xu Q, Li X, Zhou L 2012 Nat. Mater. 11 426
[24]	Huang L L, Chen X Z, Bai B F, Tan Q F, Jin G F, Zentgraf T, Zhang S 2013 Light: Sci. Appl. 2 e70
[25]	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
[26]	Feng M D, Wang J F, Ma H, Mo W D, Ye H J, Qu S B 2013 J. Appl. Phys. 114 074508
[27]	Chen H Y, Wang J F, Ma H, Qu S B, Xu Z, Zhang A X, Yan M B, Li Y 2014 J. Appl. Phys. 115 154504
[28]	Zhao Y, Alù A 2011 Phys. Rev. B 84 205428
[29]	Zhu H L, Cheung S W, Chung K L, Yuk T I 2013 IEEE Trans. Antennas Propag. 61 4615

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