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题名:
Dual band enhanced transmission through a subwavelength aperture based on two split-ring-resonators
作者: Huang, C.; Zhao, Z.; Feng, Q.; Luo, X.
刊名: APPLIED PHYSICS B-LASERS AND OPTICS
出版日期: 2010-10-01
卷号: 101, 期号:1-2, 页码:297-303
文章类型: Article
英文摘要: Enhanced transmission through a subwavelength aperture is observed at two frequency bands with employment of two split-ring-resonators (SRR) of different sizes. Each of the SRR is excited to produce resonance and the electric field energy localized in its gap and split region can be coupled into a small hole with a radius of 2.3 mm around the respective resonance frequency. The simulation results show that the energy through the small hole is increased at 5.94 GHz (r/lambda (1)=0.045) and 7.03 GHz (r/lambda (2)=0.054), where 1042-fold and 88-fold enhancements are obtained, respectively, in comparison with the case of a single isolated hole. Moreover, it is found that placing two identical SRR structures in front of the hole can realize higher enhanced transmission with respect to the case of only one SRR utilized. The electric field coupling-enhancement mechanism is well described by studying the electric field distribution.
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]: EXTRAORDINARY OPTICAL-TRANSMISSION ; HOLE ARRAYS ; METAMATERIAL ; LIGHT
收录类别: SCI
语种: 英语
WOS记录号: WOS:000282694300038
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3345
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: Chinese Acad Sci, Inst Opt & Elect, State Key Lab Opt Technol Microfabricat, Chengdu 610209, Peoples R China

Recommended Citation:
Huang, C.,Zhao, Z.,Feng, Q.,et al. Dual band enhanced transmission through a subwavelength aperture based on two split-ring-resonators[J]. APPLIED PHYSICS B-LASERS AND OPTICS,2010,101(1-2):297-303.
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