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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
卷号: 101, 期号:1-2, 页码:337-341
通讯作者: Li X.
文章类型: 期刊论文
中文摘要: 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.
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.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/6727
Appears in Collections:微细加工光学技术国家重点实验室(开放室)_期刊论文

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作者单位: 中国科学院光电技术研究所

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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