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頁籤選單縮合
題名 | A Study of the Scanning Spectra of Surface Plasmons in Multilayer Systems |
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作者姓名(中文) | 廖志雄; 蔡震寰; 陳俊懿; 吳承曄; 林志勳; | 書刊名 | 黃埔學報 |
卷期 | 43 2002.09[民91.09] |
頁次 | 頁419-427 |
分類號 | 468.5 |
關鍵詞 | 表面電漿波; Surface plasmons; Resonant frequency; Frequency scan spectrum; Thin film measurement; Chemical sensor; |
語文 | 英文(English) |
英文摘要 | In this paper, we have derived the scanning spectra of surface plasmons in multilayer systems. In accordance with the results of simulation, we conclude that the resonant wavelength increases when the incident angle decreases and the resonant frequency increases when the metal thickness increases. Moreover the sensitivity of the resonant frequency versus the metal thickness is very large when the metal thick ness is modulated from 10 nm to 60 nm. One can make use of these properties to fabricate the instrument of the metal film measurement. Besides, the resonant frequency is a function of the environment's dielectric constant. One can apply the property to the chemical sensor based on surface plasmons (SPs) measurement. |
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