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題名 | Localized Surface Plasmon Polarition (LSPP) Based Sensor Made of a Round-Shaped Metal Array for Applications in Biosensing=圓形金屬陣列之局域性表面電漿子感測器應用於生物檢測 |
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作者 | 鄭程文; 亞伯斯; 邱昭瑋; 賴坤廷; 施閔雄; 張亞中; | 書刊名 | 光學工程 |
卷期 | 118 2012.06[民101.06] |
頁次 | 頁20-26 |
分類號 | 448.5 |
關鍵詞 | 電漿子光學; 金屬; 局域表面電漿子; 局域表面電漿共振感測器; Plasmonics; Metals; Localized surface plasmon polaritons; LSPPs; Localized surface plasmon resonance sensors; LSPR sensors; |
語文 | 英文(English) |
中文摘要 | 本文將實驗探討二維金屬圓形碟型結構製作在二氧化矽/金/矽基板上。利用傅氏轉換紅外線光譜儀,我們觀察到一個與角度偏振無關的局域性表面電漿子模態,此模態來自於類似法布里-珀羅共振模式。此結構可量測折射率變化從1到1.39,並具有高入射角度容忍度與局域性感測特性。它有潛力應用於生物醫學診斷、食品安全性監控和環境偵查。 |
英文摘要 | Two-dimensional metallic round-shaped disk structure on a SiO2/Au/Si substrate was experimentally studied. By using a Fourier transform infrared spectrometer, an angle and polarization independent localized surface plasmon polariton mode caused by a Fabry-Perot-like resonance was observed. Such structure has the ability to sense changes in refractive index from 1 to 1.39. Because of its large incident angle tolerance and local sensing ability, the structure can potentially be utilized for applications in biomedical diagnostics, food safety monitoring, and environmental detection. |
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