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研究生: 陳芝佑
論文名稱: 使用調制轉移光譜法建立銫原子穩頻852 nm二極體雷射
Cesium-stabilized 852 nm diode laser by modulation transfer spectroscopy
指導教授: 鄭王曜
Cheng, Wang-Yau
劉威志
Liu, Wei-Chih
學位類別: 碩士
Master
系所名稱: 物理學系
Department of Physics
論文出版年: 2008
畢業學年度: 96
語文別: 中文
中文關鍵詞: Cesium852 nmMTSfrequencyD2 lineFM
論文種類: 學術論文
相關次數: 點閱:137下載:15
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  • 使用外腔式半導體雷射(波長為852nm),利用頻率調制轉移光譜法(modulation transfer spectroscopy,簡稱MTS)探測銫原子超精細光譜6 2S1/2->6 2P3/2 (D2 line),利用所得到的譜線訊號作為誤差訊號來穩頻。
    此實驗有兩個目的,第一,是為了量測此852nm 6 2S1/2->6 2P3/2超精細光譜與822nm 6 2S1/2->8 2S1/2雙光子躍
    遷超精細光譜之躍遷頻率差,第二,是為了與實驗室的飛秒脈衝光梳子雷射進行『同調族群捕捉法』(coherent population trapping,簡稱CPT)實驗。

    第一章 簡介 1 1.1動機 1 1.2 歷史上有關的重要實驗 4 第二章 基本理論 9 2.1 銫原子超精細結構 9 2.2 飽和吸收光譜 12 2.3 交叉線(crossover line) 13 2.4頻率調制基本理論、 16 2.5調制轉移光譜法14 19 第三章 實驗架設 28 3.1 光路架設(MTS) 28 3.2 回授穩頻線路 30 3.3電路系統 31 第四章 實驗結果與分析 33 4.1 MTS光譜 33 4.2 穩頻 44 第五章 結論 47 附錄: 49 附錄一: 49 附錄二:鎖相放大器 50 附錄三:溫度與蒸汽壓的關係 52 參考文獻 53

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