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題 名 | 奈米銀柱條與銀殼條對之表面電漿效應研究=The Study of the Surface Plasmon Effects of a Silver Rod Pair and a Silver-Shell Pair |
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作 者 | 林義儒; 周趙遠鳳; | 書刊名 | 清雲學報 |
卷 期 | 30:1 2010.01[民99.01] |
頁 次 | 頁1-10 |
分類號 | 448.59 |
關鍵詞 | 表面電漿波; 奈米銀柱; 有限元素法; Surface plasmon; Nano silver nanocylinders; Finite-element method; |
語 文 | 中文(Chinese) |
中文摘要 | 針對奈米銀柱對(案例一)與奈米銀殼對(案例二)以有限元素法(Finite-element method)進行模擬分析,比較上述兩案例之近場光學響應,案例二可藉由調整銀殼 內徑產生紅移現象。共振波長與挶域場強幾乎與銀柱內徑成比例。奈米銀柱與銀 殼柱經由電磁波入射後,在銀柱連接銀條間會有非常強的表面電漿(surface plasmon)振盪,振盪強度亦隨波長之長短變化改變,另外經由比較發現改變連接 銀條寬度有較明顯的電場增強與紅移。 |
英文摘要 | Surface plasmon effects of a silver nanorod pair (case 1) and a silver-shell nanorod pair (case 2) are investigated numerically by the finite-element method. Compared the near-field optical response of above two case, we found that the surface plasmon resonance has red-shift for the case 2 system by tuning the radius of air hole in its nanocylinders. The resonance wavelength and local-field enhancement are nearly proportional to the radius of air hole in nanocylinders. Near field properties such as electric field enhancements and red-shift were found to be strongly influenced by the width of silver bar between the nano-shell pair. |
本系統中英文摘要資訊取自各篇刊載內容。