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题名:
Monopole probe fed by coupling gold rods
作者: Li, X.; Hu, 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:337-341
文章类型: Article
英文摘要: In this paper, we investigate the characteristic of near-field localization and enhancement in the coupling metallic structures. Then we combine a cylindrical monopole probe with the basic structures aforementioned. The excited strong fields on the resonant coupling rods inspire the resonance of the probe analogous to a traditional radio frequency monopole antenna. With that, the dimension of the localized optical hot spot is reduced to about a half. Simultaneously, the enhancement of near field increases to about twice, and the optical background is greatly suppressed. Detailed studies of the structure show that the E field along the probe (including the amplitude and the phase), excited by the basic structure, plays a key role in the enhancement of the structure. This gives a guidance to design relevant devices to further improve the performance of localization and enhancement. For comparison, the case of a single-rod feeding monopole probe is also studied.
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]: NEAR-FIELD ; OPTICAL ANTENNAS ; SILVER ELECTRODE ; FLUORESCENCE
收录类别: SCI
语种: 英语
WOS记录号: WOS:000282694300043
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3353
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:
Li, X.,Hu, C.,Zhao, Z.,et al. Monopole probe fed by coupling gold rods[J]. APPLIED PHYSICS B-LASERS AND OPTICS,2010,101(1-2):337-341.
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