研究生: |
林瑋晨 Wei-Chen Lin |
---|---|
論文名稱: |
極化光學同調斷層攝影術之類比偵測電路設計 Design of analog detection circuit for Polarization Sensitive Optical Coherence Tomography |
指導教授: |
郭文娟
Kuo, Wen-Chuan |
學位類別: |
碩士 Master |
系所名稱: |
光電工程研究所 Graduate Institute of Electro-Optical Engineering |
論文出版年: | 2008 |
畢業學年度: | 96 |
語文別: | 英文 |
論文頁數: | 38 |
中文關鍵詞: | 解調對數放大器 、波包偵測 、雙折射參數 |
論文種類: | 學術論文 |
相關次數: | 點閱:157 下載:0 |
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在這份研究論文中,我們加入兩個解調對數放大器,ㄧ個乘法IC電路,ㄧ個加法電路,和一個相減放大器在傳統的PS-OCT系統中.我們便可以簡單的藉由差動波包偵測方式獲得雙折射參數。因為在兩正交極化狀態中的共路徑背景雜訊可被消除掉,這樣一來便減少了在雙折射量測上的系統誤差。除此之外,由於在干涉訊號中的相位差訊號是藉由類比電路記錄到。因此能大大減少擷取資料所需的時間,論文最後並呈現一種具有微弱雙折射特性的介質,即人類血管的測量結果。
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