本研究主要是要利用光電材料PMMA/DR1和PMMA-DR1來當作光波導的核心層，然而此材料在還沒有經過光漂白的製程前是不具有雙折射特性的，而在光漂白的過程中隨這UV曝光時間的增加nTM會上升反之nTE下降讓材料具有雙折射的特性，而本研究利用這特性來製造具有TM偏振效果的光波導，進而結合表面電漿共振的現象來製作出光波導式的表面電漿感測器。
在許多發表過用FDTD方法模擬SPR感測器都是使用ATR的模型來做研究，因此在論文中試這使用FDTD的方法來分析波導式SPR感測器的可行性。然而本論文成功的驗證出可以使用FDTD的方法來分析波導式SPR感測器，其中包含多模光波導和折射率對表面電漿共振的現象的影響。最後在我們所設計的2-D 模型SPR感測器的模擬參數中在分析液折射率可以得到19 dB的消光差，並且在頻域響應的分析中當折射率從1.48到1.47共振波長會從620nm到633nm的偏移。再來論文中同時在2-D模型也分析了光漂白波導且在500μm的長度下有22dB消光差和實驗值也有一定程度的正相關。

In the study, it uses electro-optic materials that are PMMA/DR1 and PMMA-DR1 to fabricate the optical waveguide with photo-bleaching method. The photo-bleaching method is useful to fabricate high-performance optical waveguide, because it can precisely control the birefringence refractive index of electro-optic materials. Therefore, using the optical properties of PMMA/DR1 and PMMA-DR1 can fabricate TM-pass optical waveguide, and the TM-pass optical waveguide combines surface plasmon resonance phenomenon to produce SPR sensor of optical waveguide.
On the other hand, most of the published researches use the finite-difference-time domain (FDTD) method to simulate ATR SPR sensor, and get the agreement result. Therefore, the research proposes to model the waveguide SPR sensor with FDTD method in this thesis. Finally, the research successfully simulate SPR sensor characteristic that includes of the effect of high order mode and the refractive index of analysis. Furthermore, the designed 2-D SPR model shows that the extinction ratio is about 19dB in refractive index of analysis (1.48). In spectrum analysis, the designed 2-D model also shows the absorption wavelength about 620nm to 633nm, when the analysis refractive index is increased from 1.47 to 1.48. On the other hand, the research also simulates the TM-pass waveguide in 2-D model, and the extinction ratio is 22dB with waveguide of 500μm. Although model of photo-bleaching waveguide is relatively simple, the results can get converged numerical results that can get positive tendency in the experiment.

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