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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
2010-10-01
Language英语
Indexed BySCI
WOS IDWOS:000282694300043
SubtypeArticle
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.
WOS KeywordNEAR-FIELD ; OPTICAL ANTENNAS ; SILVER ELECTRODE ; FLUORESCENCE
WOS Research AreaOptics ; Physics
WOS SubjectOptics ; Physics, Applied
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Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/3353
Collection光电技术研究所被WoS收录文章
AffiliationChinese Acad Sci, Inst Opt & Elect, State Key Lab Opt Technol Microfabricat, Chengdu 610209, Peoples R China
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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