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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/75178

    Title: 彎曲波導耦合表面電漿子研究;Surface Plasmon Generation on Curved Waveguides
    Authors: 張雅茹;Chang, Ya-Ju
    Contributors: 光電科學與工程學系
    Keywords: 彎曲波導;表面電漿;感測器;curved waveguide;Surface Plasmon;sensor
    Date: 2017-07-11
    Issue Date: 2017-10-27 17:17:35 (UTC+8)
    Publisher: 國立中央大學
    Abstract: 本論文中,我們提出利用彎曲波導耦合表面電漿於金屬微米半環上,透
    表面電漿共振的結構,並使用使用限時域差分法 (Finite-Difference Time-
    Domain Method, FDTD)來模擬實際電磁波於波導內傳播及耦合到金屬環上
    的玻璃提升到具有較高折射率為1.7 的波導,而此結構可利用鍺(Ge)氧化物
    用光偵測器結合本元件可將靈敏度提高至10-10RIU。;In this thesis, we launched a light in TM mode into a curved waveguide to generate surface plasmon polariton on a metallic micro-ring made by gold in Otto configuration. By changing the location of metallic micro-ring to curved waveguide, we can enhance the strength of the surface plasmon resonance. The structure is analyzed by the Finite-Difference Time-Domain Method. The refractive index of the curved waveguide is changed from 1.5 to 1.7. The confinement ability of the waveguide is improved. The energy coupled on metallic micro-ring is used to excite the surface plasmon polariton. The device shows a better sensitivity 10-10RIU.
    Appears in Collections:[光電科學研究所] 博碩士論文

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