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研究生： 張緒國
Hsu-Kuo Chang
論文名稱： 基於D形光纖之拉曼感測器製作與量測
The Fabrication and Characterization of D-fiber Based Raman Sensor
指導教授： 戴朝義
Chao-Yi Tai
口試委員:
學位類別： 碩士
Master
系所名稱： 理學院 - 光電科學與工程學系
Department of Optics and Photonics
論文出版年： 2013
畢業學年度： 101
語文別： 中文
論文頁數： 92
中文關鍵詞： D形光纖 、拉曼感測器 、表面增強拉曼散射 、表面電漿共振 、增強係數
外文關鍵詞： D-fiber, Raman Sensor, Surface Enhanced Raman Scattering, Surface Plasmon Resonance, Enhancement factor
相關次數： 點閱：17  下載：0 
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    • 本論文理論部分主要在探討側磨光纖之漸逝波的水平波向量與金屬銀膜在不同厚度下之表面電漿波的波向量是否能達到相位匹配，並利用加入光柵結構使漸逝波的水平波向量平移達到與表面電漿波的波向量更佳匹配之相位。
    本研究實驗上利用研磨拋光技術與金屬薄膜濺鍍技術製作表面增強拉曼散射之側磨光纖基板。並利用自我組裝技術更進一步增強側磨光纖漸逝波與銀膜表面電漿波的耦合效率，因此可得到更佳的增強係數。在拉曼光譜實驗中可量測到明顯的拉曼訊號並可對應到R6G分子的振動光譜，證明此架構具有良好的分子辨識功能。

    Theoretically, we justify the degree of phase matching between the mode of D-fiber and that of surface plasmon wave at various clad thickness. By employing grating structure, the guide mode can be effectively coupled to the surface plasmon wave.
    Experimentally, the D-fiber based surface Raman sensor was realized by side-polish of the fiber, self-assembly of microsphere grating and sputter the silver film. Sequentially, Rhodamine 6G was used as the prototype molecule and six vibrational bands was successfully identified.

    中文摘要 ..................I Abstract ..................II 致謝..................III 目錄..................i 圖目錄..................iii 表目錄..................vi 第一章 緒論..................1 1.1 前言.................. 1 1.2研究背景..................3 1.3研究動機與目的..................7 1.4論文架構概述..................9 第二章 研究方法..................10 2.1側磨光纖原理..................10 2.1.1光纖簡介..................10 2.1.2光纖基本原理..................11 2.1.3表面漸逝波基本原理..................12 2.1.4介入損失..................18 2.2金屬物質特性..................27 2.3表面電漿共振..................33 2.4.1表面電漿簡介..................33 2.4.2表面電漿共振原理..................35 2.4增強係數..................45 第三章 樣品製作與實驗架構..................47 3.1實驗流程..................47 3.2側磨光纖製作..................48 3.3 銀膜濺鍍..................54 3.4 偏振損耗量測架構..................59 3.5拉曼訊號量測架構 ..................64 第四章 實驗結果與討論..................66 4.1拉曼訊號量測結果..................66 4.2增強係數..................74 第五章 結論及未來展望..................76 參考文獻..................77

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