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研究生:廖冠詠
研究生(外文):Kuan-Yung Liao
論文名稱:平衡偵測光學外差極化儀應用在石英晶體旋光特性的精密量測
論文名稱(外文):Optical activity of crystal quartz measurement with a balanced detector optical heterodyne polarimeter
指導教授:周晟周晟引用關係
指導教授(外文):Chien Chou
學位類別:碩士
校院名稱:國立陽明大學
系所名稱:生醫光電工程研究所
學門:工程學門
學類:生醫工程學類
論文種類:學術論文
論文出版年:2006
畢業學年度:94
語文別:中文
論文頁數:53
中文關鍵詞:旋光性石英極化儀
外文關鍵詞:optical activityquartz crystalpolarimeter
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  • 下載下載:31
  • 收藏至我的研究室書目清單書目收藏:0
本實驗架設了一套利用Zeeman laser作為光源的極化光共路徑光學外差干涉極化儀,此種光學架構特性在於其結構簡單,平衡式偵測電路再加上差動放大器能大幅度的降低雷射以及環境所造成的大部分雜訊,進而得到準確且高靈敏度的旋光性量測結果。
本實驗的待測旋光物體為quartz Cornu depolarizer(QCD),由我們的實驗架構可以精確的量測到其旋光性等於0.000065916,與Handbook of Optics中查到的0.00006561接近到小數點第七位,而且整體系統的靈敏度更可到達8.5x10^-10 ,這是目前文獻查到的資料中最高的靈敏度。
在附錄中還有探討假設我們的光源本身的極化不是線偏極而是橢圓偏極時的相關問題。
A novel amplitude sensitive optical heterodyne polarimeter in which a Zeeman laser is associated with balanced detector detection was setup. The aim was to measure the optical activity of a quartz crystal with a Cornu depolarizer at high accuracy. The features of this novel polarimeter, which include the use of a two-frequency laser that ensures the accuracy of the measurement, are discussed. Furthermore, the detection sensitivity of the optical activity of a quartz crystal was measured as 8.5×10^-10. To our knowledge, this is the highest sensitivity obtained for optical activity measurement of a quartz crystal when the error of the measurement is also analyzed.
中文摘要 一
英文摘要 三
目錄 五
圖目錄 七

第一章 導論 01
1-1序論 01
1-2 研究動機與目的 03
1-3文獻回顧 05
第二章 原理 07
2-1 極化光 07
2-1-1 線性偏極化光 08
2-1-2 圓偏極化光 09
2-2 旋光的現象 10
2-3 旋光的來源 12
2-4 光學平衡偵測外差偏光儀原理 14
2-4-1 外差干涉 14
2-4-2 平衡偵測電路及差動放大器 16
第三章 實驗架構與方法 18
3-1光學架構 18
3-2實驗步驟及原理 21
3-2-1實驗樣品:QCD介紹 21
3-2-2實驗步驟 23
3-2-3實驗原理 24
第四章 實驗結果分析 28
第五章 討論與結論 35
第六章 附錄 38
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