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题名: Experimental demonstration of reflectarray antennas at terahertz frequencies
作者: Niu, TM; Withayachumnankul, W; Ung, BSY; Menekse, H; Bhaskaran, M; Sriram, S; Fumeaux, C
收录类别: SCIE ; EI
出版日期: 2013-02-11
刊名: OPTICS EXPRESS
卷号: 21, 期号:3, 页码:2875-2889
出版者: OPTICAL SOC AMER
出版地: WASHINGTON
英文摘要: Reflectarrays composed of resonant microstrip gold patches on a dielectric substrate are demonstrated for operation at terahertz frequencies. Based on the relation between the patch size and the reflection phase, a progressive phase distribution is implemented on the patch array to create a reflector able to deflect an incident beam towards a predefined angle off the specular direction. In order to confirm the validity of the design, a set of reflectarrays each with periodically distributed 360x360 patch elements are fabricated and measured. The experimental results obtained through terahertz time-domain spectroscopy (THz-TDS) show that up to nearly 80% of the incident amplitude is deflected into the desired direction at an operation frequency close to 1 THz. The radiation patterns of the reflectarray in TM and TE polarizations are also obtained at different frequencies. This work presents an attractive concept for developing components able to efficiently manipulate terahertz radiation for emerging terahertz communications. (C) 2013 Optical Society of America
作者部门: [Niu, Tiaoming ; Withayachumnankul, Withawat ; Ung, Benjamin S. -Y. ; Fumeaux, Christophe] Univ Adelaide, Sch Elect & Elect Engn, Adelaide, SA 5005, Australia ; [Niu, Tiaoming] Lanzhou Univ, Sch Informat Sci & Engn, Lanzhou 730000, Peoples R China ; [Menekse, Hakan ; Bhaskaran, Madhu ; Sriram, Sharath] RMIT Univ, Sch Elect & Comp Engn, Funct Mat & Microsyst Res Grp, Melbourne, Vic 3001, Australia
通讯作者: Niu, TM (reprint author), Univ Adelaide, Sch Elect & Elect Engn, Adelaide, SA 5005, Australia.
学科分类: Optics
文章类型: Article
所属项目编号: Australian Research Council (ARC) [DP1095151, DP1092717, DP110100262] ; ARC Future Fellowship funding scheme [FT100100585]
所属项目名称: 澳大利亚研究理事会项目
项目资助者: ARC
语种: 英语
ISSN号: 1094-4087
WOS记录号: WOS:000315991400036
EI记录号: 20130916050806
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/116228
Appears in Collections:信息科学与工程学院_期刊论文

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Recommended Citation:
Niu, TM,Withayachumnankul, W,Ung, BSY,et al. Experimental demonstration of reflectarray antennas at terahertz frequencies[J]. OPTICS EXPRESS,2013,21(3):2875-2889.
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