超薄柔性透射型超构材料吸收器

杨鹏; 秦晋; 徐进; 韩天成

doi:10.7498/aps.68.20182225

摘要

设计并加工了一种超薄柔性透射型吸收器, 总体厚度为0.288 mm, 可实现柔性弯曲, 容易做到与曲面目标共形. 该吸收器由三层结构组成, 底层是金属光栅, 中间为介质层, 表面单元由两条平行放置的尺寸不同的金属线组成. 仿真和实验结果表明, 对横电波在5和7 GHz的吸收分别达到97.5%和96.0%, 对横磁波在3.0―6.5 GHz都能保持90%以上的透射率. 两个吸收频点可分别独立调节, 增加了设计的灵活性. 另外, 当入射角增大到60° 时, 该吸收器的性能基本不受影响, 表现出良好的广角特性.

关键词:

超构材料吸收器 /
超薄柔性 /
双频吸收 /
高效透射

Abstract

As an important branch of metamaterial-based devices, metamaterial absorber (MA) has aroused great interest and made great progress in the past several years. By manipulating the magnetic resonance and the electric resonance simultaneously, the effective impedance of MA will match the free space impedance, thus resulting in a perfect absorption of incident waves. Due to the advantages of thin thickness, high efficiency and tunable property, MA has been widely concerned in energy-harvesting and electromagnetic stealth. Since the first demonstration of MA in 2008, many MAs have been extensively studied in different regions, such as microwave frequency, THz, infrared frequency and optical frequency. At the same time, the absorber has been extended from the single-band to the dual-band, triple-band, multiple-band and broadband. In recent years, the dual-band absorber has received significant attention and has been widely studied. So far, however, most of MAs are composed of a bottom continuous metallic layer, which prevents electromagnetic waves from penetrating and makes electromagnetic waves absorbed or reflected. In this paper, an ultrathin flexible transmission absorber with a total thickness of 0.288 mm is designed and fabricated, which can be conformally integrated on an object with a curved surface. The absorber consists of three layers of structure: the bottom is a one-dimensional grating type metal line, the middle is the medium layer, and the surface metal layer is composed of two different sizes metal lines in parallel. Simulation and experimental results show that the absorptions of TE wave are 97.5% and 96.0% respectively at the two frequency points of 5 GHz and 7 GHz. The transmission of the TM wave above 90% is maintained from 3 GHz to 6.5 GHz. We also simulate the spatial electric field distribution and magnetic field distribution at two resonant frequencies, and explain the electromagnetic absorption mechanism of the proposed structure for TE wave. Secondly, when the incident angle increases to 60 degrees, the performance of the absorber is substantially unaffected, exhibiting good wide-angle characteristics. In addition, through the analysis of structural parameters, two absorption peaks of the proposed absorber can be independently adjusted, resulting in a flexible design. In conclusion, we propose both theoretically and experimentally a polarization-controlled transmission-type dual-band metamaterial absorber that can absorb the TE waves and transmit the TM wave efficiently, which has important applications in the case requiring bidirectional communication.

Keywords:

metamaterial absorber /
ultrathin flexibility /
dual-band absorption /
efficient transmission

作者及机构信息

杨鹏,
秦晋,
徐进,
韩天成

西南大学物理科学与技术学院，重庆　400715

通信作者: 韩天成, tchan123@swu.edu.cn

基金项目: 重庆市自然科学基金（批准号：cstc2018jcyjA0572）和国家级大学生创新创业训练计划（批准号：201810635040）资助的课题.

Authors and contacts

Yang Peng,
Qin Jin,
Xu Jin,
Han Tian-Cheng

School of Physical Science and Technology, Southwest University, Chongqing 400715, China

Corresponding author: Han Tian-Cheng, tchan123@swu.edu.cn

Funds: Project supported by the Natural Science Foundation of Chongqing, China (Grant No. cstc2018jcyjA0572) and the Undergraduate Science and Technology Innovation Fund, China (Grant No. 201810635040).

文章全文 : translate this paragraph

参考文献

[1]	Almoneef T S, Ramahi O M 2015 Appl. Phys. Lett. 106 153902 Google Scholar
[2]	Ishikawa A, Tanaka T 2015 Sci. Rep. 5 12570 Google Scholar
[3]	Xie Y, Fan X, Chen Y, Wilson J, Simons R N, Xiao J 2017 Sci. Rep. 7 40490 Google Scholar
[4]	Liu X, Tyler T, Starr T, Starr A F, Jokerst N M, Padilla W J 2011 Phys. Rev. Lett. 107 045901 Google Scholar
[5]	Li W, Valentine J 2014 Nano Lett. 14 3510 Google Scholar
[6]	马晓亮, 李雄, 郭迎辉, 赵泽宇, 罗先刚 2017 物理学报 66 147802 Google Scholar Ma X L, Li X, Guo Y H, Zhao Z Y, Luo X G 2017 Acta Phys. Sin. 66 147802 Google Scholar
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[10]	Ding F, Cui Y, Ge X, Jin Y, He S 2012 Appl. Phys. Lett. 100 103506 Google Scholar
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施引文献

图 1 (a) 超薄柔性透射型双频吸收器的效果示意图; (b)基本单元结构示意图

Fig. 1. (a) Schematic demonstration of the proposed ultrathin flexible transmission dual-band absorber; (b) schematic diagram of the basic unit structure.

下载: 全尺寸图片幻灯片

图 2 (a) 实验装置示意图; (b)测试环境照片; (c) 加工实物照片; (d)仿真和实验结果

Fig. 2. (a) Schematic demonstration of experimental setup; (b) photograph of experimental setup; (c) photograph of the fabricated sample; (d) simulated and measured results.

下载: 全尺寸图片幻灯片

图 3 电场分布　(a) f = 5 GHz, (b) f = 7 GHz; 磁场分布 (c) f = 5 GHz, (d) f = 7 GHz

Fig. 3. The electric field distributions at (a) f = 5 GHz and (b) f = 7 GHz, respectively; the magnetic field distributions at (c) f = 5 GHz and (d) f = 7 GHz, respectively.

下载: 全尺寸图片幻灯片

图 4 (a) TM波随入射角度变化的透射谱, 插图为弯曲的加工样品覆盖在圆柱形物体表面; (b) TE波随入射角度变化的吸收谱

Fig. 4. (a) Transmission spectra for TM wave with the change of incident angle, the inset shows the curved sample covered on the surface of a cylindrical object; (b) the absorption spectra for TE wave with the change of incident angle.

下载: 全尺寸图片幻灯片

图 5 (a) TE波的吸收和TM波的透射随l₁的变化; (b) TE波的吸收和TM波的透射随l₂的变化

Fig. 5. (a) The absorption of TE wave and transmission of TM wave with the change of l₁; (b) the absorption of TE wave and transmission of TM wave with the change of l₂.

下载: 全尺寸图片幻灯片

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[1]	Almoneef T S, Ramahi O M 2015 Appl. Phys. Lett. 106 153902 Google Scholar
[2]	Ishikawa A, Tanaka T 2015 Sci. Rep. 5 12570 Google Scholar
[3]	Xie Y, Fan X, Chen Y, Wilson J, Simons R N, Xiao J 2017 Sci. Rep. 7 40490 Google Scholar
[4]	Liu X, Tyler T, Starr T, Starr A F, Jokerst N M, Padilla W J 2011 Phys. Rev. Lett. 107 045901 Google Scholar
[5]	Li W, Valentine J 2014 Nano Lett. 14 3510 Google Scholar
[6]	马晓亮, 李雄, 郭迎辉, 赵泽宇, 罗先刚 2017 物理学报 66 147802 Google Scholar Ma X L, Li X, Guo Y H, Zhao Z Y, Luo X G 2017 Acta Phys. Sin. 66 147802 Google Scholar
[7]	Landy N I, Sajuyigbe S, Mock J J, Smith D R, Padilla W J 2008 Phys. Rev. Lett. 100 207402 Google Scholar
[8]	Khuyen B X, Tung B S, Yoo Y J, Kim Y J, Lam V D, Yang J, Lee Y 2016 Curr. Appl. Phys. 16 1009 Google Scholar
[9]	Khuyen B X, Tung B S, Yoo Y J, Kim Y J, Kim K W, Chen L, Lam V D, Lee Y 2017 Sci. Rep. 7 45151 Google Scholar
[10]	Ding F, Cui Y, Ge X, Jin Y, He S 2012 Appl. Phys. Lett. 100 103506 Google Scholar
[11]	Zhang Y, Duan J, Zhang B, Zhang W, Wang W 2017 J. Alloys Compd. 705 262 Google Scholar
[12]	Tao H, Bingham C M, Strikwerda A C, Pilon D, Shrekenhamer D, Landy N I, Fan K, Zhang X, Padilla W J, Averitt R D 2008 Phys. Rev. B 78 241103 Google Scholar
[13]	Wang W, Wang K, Yang Z, Liu J 2017 J. Phys. D: Appl. Phys. 50 135108 Google Scholar
[14]	张玉萍, 李彤彤, 吕欢欢, 黄晓燕, 张会云 2015 物理学报 64 117801 Google Scholar Zhang Y P, Li T T, Lü H H, Huang X Y, Zhang H Y 2015 Acta Phys. Sin. 64 117801 Google Scholar
[15]	Chen J, Li J, Liu Q H 2017 IEEE Trans. Microwave Theory Tech. 65 3689 Google Scholar
[16]	Chen J, Li J, Liu Q H 2017 IEEE Trans. Microwave Theory Tech. 65 1896
[17]	Liu X, Starr T, Starr A F, Padilla W J 2010 Phys. Rev. Lett 104 207403 Google Scholar
[18]	Hasan D, Pitchappa P, Wang J, Wang T, Yang B, Ho C P, Lee C 2017 ACS Photonics 4 302 Google Scholar
[19]	Hao J, Wang J, Liu X, Padilla W J, Zhou L, Qiu M 2010 Appl. Phys. Lett 96 251104 Google Scholar
[20]	Wang W, Qu Y, Du K, Bai S, Tian J, Pan M, Ye H, Qiu M, Li Q 2017 Appl. Phys. Lett 110 101101 Google Scholar
[21]	Wen Q, Zhang H, Xie Y, Yang Q, Liu Y 2009 Appl. Phys. Lett. 95 241111 Google Scholar
[22]	Xu H, Wang G, Qi M, Liang J, Gong J, Xu Z 2012 Phys. Rev. B 86 205104 Google Scholar
[23]	Wang B, Wang G, Sang T, Wang L 2017 Sci. Rep 7 41373 Google Scholar
[24]	Xie J, Zhu W, Rukhlenko I D, Xiao F, He C, Geng J, Liang X, Jin R, Premaratne M 2018 Opt. Express 26 5052 Google Scholar
[25]	Ma Y, Chen Q, Grant J, Saha S C, Khalid A, Cumming D R S 2011 Opt. Lett 36 945 Google Scholar
[26]	Chen K, Adato R, Altug H 2012 ACS Nano 6 7998 Google Scholar
[27]	Tao H, Bingham C M, Pilon D, Fan K, Strikwerda A C, Shrekenhamer D, Padilla W J, Zhang X, Averitt R D 2010 J. Phys. D: Appl. Phys. 43 225102 Google Scholar
[28]	Singh P K, Korolev K A, Afsar M N, Sonkusale S 2011 Appl. Phys. Lett. 99 264101 Google Scholar
[29]	Feng R, Ding W Q, Liu L H, Chen L X, Qiu J, Chen G Q 2014 Opt. Express 22 A335 Google Scholar
[30]	Liu X, Lan C, Li B, Zhao Q, Zhou J 2016 Sci. Rep. 6 28906 Google Scholar
[31]	Tung B S, Khuyen B X, Kim Y J, Lam V D, Kim K W, Lee Y 2017 Sci. Rep. 7 11507 Google Scholar
[32]	Yoo Y J, Kim Y J, Tuong P V, Rhee J Y, Kim K W, Jang W H, Kim Y H, Cheong H, Lee Y 2013 Opt. Express 21 32484 Google Scholar
[33]	Yue W, Wang Z, Yang Y, Han J, Li J, Guo Z, Tan H, Zhang X 2016 Plasmonics 11 1557 Google Scholar
[34]	Liu N, Mesch M, Weiss T, Hentschel M, Giessen H 2010 Nano Lett. 10 2342 Google Scholar

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[20]	保石, 罗春荣, 张燕萍, 赵晓鹏. 基于树枝结构单元的超材料宽带微波吸收器. 物理学报, 2010, 59(5): 3187-3191. doi: 10.7498/aps.59.3187

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超薄柔性透射型超构材料吸收器