一种基于超材料的吸波材料的设计与制备

孙良奎; 程海峰; 周永江; 王军; 庞永强

doi:10.7498/aps.60.108901

摘要

设计了一种基于超材料的吸波材料,吸波材料由周期性排列的电阻片,基体以及金属背底构成. 采用时域有限差分法(FDTD)计算了吸波材料的反射率,并用遗传算法优化了吸波材料的吸波带宽,得到一种反射率在818 GHz小于-10 dB的吸波材料,材料厚度仅为3 mm. 采用手糊工艺制备了空心石英纤维增强环氧树脂基体,丝网印刷制备了电阻片,实现了所设计的吸波材料,测试表明,实验结果和设计结果一致.

关键词:

A kind of radar-absorbing material (RAM) based on metamaterial, which contains resistive patches, dielectric substrate and metal backing, is designed. The reflectivity of the RAM is calculated using the finite difference time-domain method (FDTD) and optimized by genetic algorithm(GA). Then RAMs with a reflectivity bandwidth of 818 GHz below -10 dB is obtained. Moreover, its thickness is only 3mm. To confirm the design results, the RAM is prepared by fabricating a hollow quartz fibre reinforced epoxy resin substrate through using hand lay-up process and making the resistive patches by screen painting. The reflectivity of the absorber is measured, showing that the experimental result is consistent with the design value.

Keywords:

作者及机构信息

1.
国防科技大学航天与材料工程学院,新型陶瓷纤维及其复合材料国防科技重点实验室,长沙 410073

Authors and contacts

1.
Key Laboratory of Advanced CeramicFibers and Composites, College of Aerospace and Materials Engineering, National University of Defence Technology, Changsha 410073, China

参考文献

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施引文献

[1]	Ha E H, Huang D Q, Ding H Y 2006 Material Engineering 3 55 (in Chinese) [哈恩华、黄大庆、丁鹤雁 2006 材料工程 3 55]
[2]
[3]	Smith 2004 Science 305 788
[4]	Cheng Y Z,Xiao T, Yang H L Xiao B X 2010 Acta Phys. Sin 59 5715 (in chinese)[程用志、肖婷、杨河林、肖柏勋 2010 物理学报 59 5715]
[5]
[6]	Lagakov A N, Kisel V N 2001 Dokl Phys. 46 163
[7]
[8]	Cui W Z, Ma W, Qiu L D, Zhang H T 2008 Electromagnetic Metamaterials and its Applications (Bei Jing:National Defense Industry Press) p9 (in chinese)[崔万照、马伟、邱乐德、张洪太 2008 电磁超介质及其应用(北京: 国防工业出版社)第9页]
[9]
[10]	Marks P, Soukoulis C M 2002 Physical Review E 65 622
[11]
[12]
[13]	Podolskiy V A, Alekseev L, Narimanov E 2005 Journal of Modern Optics 16 2343
[14]	Cheng H S 2005 Ph. D. Dissertation (Hangzhou:Zhejiang University) (in Chinese)[陈红胜 2005 博士学位论文 (杭州: 浙江大学)]
[15]
[16]	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 物理学报 59 6078]
[17]
[18]
[19]	Fan J, Cai G Y 2010 Acta Phys. Sin. 59 6084 (in chinese) [樊京、蔡广宇 2010 物理学报 59 6084]
[20]
[21]	Landy N I, Sajuyigbe S, Mock J J, Smith D R, Padilla W J 2008 Physical Review Letters 20 207402-1
[22]
[23]	Zhou Y J 2006 Ph. D. Dissertation (Changsha :University of National Defence Technology) (in Chinese)[周永江 2006 博士学位论文 (长沙: 国防科技大学)]
[24]
[25]	Filippo C, Agostino M, Giuliano M 2010 IEEE Transactions on antennas and propagation 58 1551
[26]	Filippo C, Agostino M, Giuliano M 2009 IEEE Transactions on antennas and propagation society international symposium USA 2009
[27]
[28]	Yang H, Mittra R 2009 FDTD Model of Metamaterials: Theory and Applic- ations(London:Artech House)
[29]
[30]
[31]	Wang S Y, Liu S B, Le W J 2010 Chin. Phys. B 19 084101
[32]	Liu H T, Cheng H F, Chu Z Y, Zhang D Y 2007 Materials Design 28 2166
[33]
[34]	Lu J, Wang J B, Sun G C 2009 Chin. Phys. B 18 15
[35]

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