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题名:
Directional terahertz radiation through groove-assisted hole array
作者: Liu, Y.1; Shi, H.1; Ma, J.2; Gan, D.1; Cui, J.1; Du, C.1; Luo, X.1
刊名: APPLIED PHYSICS B-LASERS AND OPTICS
出版日期: 2008-09-01
卷号: 92, 期号:4, 页码:623-626
文章类型: Article
英文摘要: The authors theoretically demonstrate the terahertz beam shaping with metallic subwavelength holes array surrounded by concentric periodic grooves. High transmission and directional radiation can be obtained simultaneously for the resonant excitation of the surface wave in the combined structure. Finite-difference time-domain simulation results shows that the transmission mainly depends on the lattice constant of hole array and the features of incident surface around it, while the far-field angle distribution is dominated by the details of the output surface. This compact beam shaping structure is hoped to serve as a basic device for future terahertz systems.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Optics ; Physics, Applied
研究领域[WOS]: Optics ; Physics
关键词[WOS]: TRANSMISSION PROPERTIES ; SUBWAVELENGTH SLIT ; SURFACE-PLASMONS ; SHAPE
收录类别: SCI
语种: 英语
WOS记录号: WOS:000258717400026
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3636
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Opt & Elect, State Key Lab Opt Technol Microfabricat, Chengdu 610209, Peoples R China
2.Shenzhen Univ, Coll Informat Engn, Shenzhen 518060, Peoples R China

Recommended Citation:
Liu, Y.,Shi, H.,Ma, J.,et al. Directional terahertz radiation through groove-assisted hole array[J]. APPLIED PHYSICS B-LASERS AND OPTICS,2008,92(4):623-626.
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