National Taiwan Ocean University Institutional Repository:Item 987654321/41196
English  |  正體中文  |  简体中文  |  全文筆數/總筆數 : 27320/39164
造訪人次 : 2476828      線上人數 : 36
RC Version 4.0 © Powered By DSPACE, MIT. Enhanced by NTU Library IR team.
搜尋範圍 進階搜尋

請使用永久網址來引用或連結此文件: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41196

題名: Accurate description of the optical response of a spherical nanomatryushka in the long wavelength approximation
作者: H. Y. Chung (鍾弘毅);G. Y. Guo (郭光宇);H.-P. Chiang (江海邦);D. P. Tsai (蔡定平);. T. Leung (梁培德)
貢獻者: 國立臺灣海洋大學:光電科學研究所
日期: 2010
上傳時間: 2017-02-10T01:23:11Z
出版者: Physical Review
摘要: Abstract: The optical response of a multilayered spherical system of unlimited number of layers (a “matryoshka”) in the long wavelength limit can be accounted for from the knowledge of the static multipole polarizability of the system to first-order accuracy. However, for systems of ultrasmall dimensions or systems with sizes not-too-small compared to the wavelength, this ordinary quasistatic long wavelength approximation (LWA) becomes inaccurate. Here we introduce two significant modifications of the LWA for such a nanomatryoshka in each of the two limits: the nonlocal optical response for ultrasmall systems
(<10 nm), and the “finite-wavelength corrections” for systems ∼100nm. This is accomplished by employing the previous work for a single-layer shell, in combination with a certain effective-medium approach formulated recently in the literature. Numerical calculations for the extinction cross sections for such a system of different dimensions are provided as illustrations for these effects. This formulation thus provides significant improvements on the ordinary LWA, yielding enough accuracy for the description of the optical response of these nanoshell systems over an appreciable range of sizes, without resorting to more involved quantum mechanical or fully electrodynamic calculations.
關聯: 82(16)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41196
顯示於類別:[光電科學研究所] 期刊論文

文件中的檔案:

檔案 描述 大小格式瀏覽次數
index.html0KbHTML71檢視/開啟


在NTOUR中所有的資料項目都受到原著作權保護.

 


著作權政策宣告: 本網站之內容為國立臺灣海洋大學所收錄之機構典藏,無償提供學術研究與公眾教育等公益性使用,請合理使用本網站之內容,以尊重著作權人之權益。
網站維護: 海大圖資處 圖書系統組
DSpace Software Copyright © 2002-2004  MIT &  Hewlett-Packard  /   Enhanced by   NTU Library IR team Copyright ©   - 回饋