https://scholars.lib.ntu.edu.tw/handle/123456789/498778
標題: | Surface plasmon on aluminum concentric rings arranged in a long-range periodic structure | 作者: | Chang, Y.-T. Tzuang, D.-C. Wu, Y.-T. Chan, C.-F. Ye, Y.-H. Hung, T.-H. Chen, Y.-F. SI-CHEN LEE |
公開日期: | 2008 | 卷: | 92 | 期: | 25 | 來源出版物: | Applied Physics Letters | 摘要: | The enhanced optical transmission through the annular aluminum metal with different number of concentric rings arranged in a long-range periodic structure on the silicon substrate is investigated. The measured transmission spectra demonstrate that the surface plasmon modes depend sensitively on the structural parameters of the metallic rings. The degenerate (1,0), (1,1), and (2,1) Al/Si surface plasmon modes are determined by the long periodicity of the structure. The localized modes in cavities with different length can be observed in this structure as well. These phenomena suggest that both surface plasmons and localized cavity modes are excited within super unit cell. © 2008 American Institute of Physics. |
URI: | https://scholars.lib.ntu.edu.tw/handle/123456789/498778 https://www.scopus.com/inward/record.uri?eid=2-s2.0-46049090195&doi=10.1063%2f1.2949743&partnerID=40&md5=22b12d4818f81d448e45e88fbe663735 |
ISSN: | 00036951 | DOI: | 10.1063/1.2949743 | SDG/關鍵字: | Alumina; Aluminum; Light metals; Lithography; Metals; Nonmetals; Optical data storage; Plasmons; Silicon; Surface phenomena; Aluminum metal; Concentric rings; Enhanced optical transmission; Localized cavity modes; Localized modes; Metallic rings; Silicon substrates; Structural parameters; Surface plasmon; Surface plasmon modes; Surface plasmons; Transmission spectrums; Unit cells; Periodic structures |
顯示於: | 電機工程學系 |
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