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Monopole probe fed by coupling gold rods
Li X.; Hu C.; Zhao Z.; Feng Q.; Luo X.
Source PublicationApplied Physics B: Lasers and Optics
Volume101Issue:1-2Pages:337-341
2010
Language英语
Subtype期刊论文
AbstractIn 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.; 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.
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/6727
Collection微细加工光学技术国家重点实验室(开放室)
Corresponding AuthorLi X.
Affiliation中国科学院光电技术研究所
Recommended Citation
GB/T 7714
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.
APA Li X.,Hu C.,Zhao Z.,Feng Q.,&Luo X..(2010).Monopole probe fed by coupling gold rods.Applied Physics B: Lasers and Optics,101(1-2),337-341.
MLA Li X.,et al."Monopole probe fed by coupling gold rods".Applied Physics B: Lasers and Optics 101.1-2(2010):337-341.
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