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研究生:曾大維
研究生(外文):Da-wei Tseng
論文名稱:區段光波導感測器之改進與研究
論文名稱(外文):The improvement of segmented waveguide sensor
指導教授:許志維許志維引用關係
指導教授(外文):Chih-Wei Hsu
學位類別:碩士
校院名稱:國立臺南大學
系所名稱:光電工程研究所
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2011
畢業學年度:99
語文別:中文
論文頁數:60
中文關鍵詞:區段感測器光波導
外文關鍵詞:sensoroptical waveguidesegment
相關次數:
  • 被引用被引用:1
  • 點閱點閱:217
  • 評分評分:
  • 下載下載:8
  • 收藏至我的研究室書目清單書目收藏:0
此篇論文裡,我們最主要在研究SWS元件對於液體折射率感測特性。在此我們改善SWS的靈敏度,而此元件的靈敏度可用兩點來增進:(a)增加能量轉換接面數。(b)擴大光場模態與液體的作用面積。但是我們希望此元件不能太長而能夠與生物晶片做整合,因此選擇用(b)這方法來增進元件靈敏度。另外,我們使用較簡便的特徵模態展開計算方法去估算SWS的元件特性。而最後我們利用了減少導光層的厚度並結合細薄的導光層厚度去達到讓元件在一定的長度下靈敏度上升。
The segmented waveguide sensor has been performed. In this paper, we propose a new structure to improve the sensitivity of the device. There are two point about the sensitivity of the SWS.(a)Increase the transition junctions (b)Increase the reaction area between the optical field of segment and solution. And we use a simpler numerical method to simulate the response of the SWS by eigen-mode expansion. The symmetrical structure for passive segment and the thin guiding layer are studied. Preliminary result, the higher sensitivity and smaller size are shown in this paper
第一章:序論...............................1
1.1光波導感測器研究相關簡介...............................1
1.2研究方法與章節內容...............................3
第二章:數值模擬的理論基礎...............................4
2.1 光波導的理論基礎......................................4
2.1.1波動方程式...........................................4
2.1.2平行極化和垂直極化...............................7
2.2 平面波導模態..........................................8
2.2.1導光模態推導.........................................8
2.2.2 Leaky mode的計算與模擬.............................15
2.2.3 數值模擬方法.......................................19
2.2.4 Leaky mode模擬結果.................................22
2.3波導的損耗............................................24
2.3.1 光波導的橫向耦合...................................24
第三章:數值模擬結果......................................26
3.1 SWS的感測原理........................................26
3.1.1 感測波長的選擇.....................................30
3.2 SWS的元件特性........................................32
3.2.1 工作區間...........................................32
3.2.2靈敏度討論..........................................34
3.2.3 接近截止條件的輸出圖形.............................42
3.2.4 對稱型結構的輸出圖形...............................45
3.2.5區段長度對元件的影響................................47
第四章:結論與展望........................................51
參考文獻.................................................53
附錄一 Leaky mode模擬程式
附錄二Guided mode 模擬程式
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