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Student Number 87222022
Author Ming-Hou Pian(潘敏豪)
Author's Email Address No Public.
Statistics This thesis had been viewed 1766 times. Download 1906 times.
Department Physics
Year 1999
Semester 2
Degree Master
Type of Document Master's Thesis
Language zh-TW.Big5 Chinese
Title 氮氣光譜之研究Ⅰ:C3Πu-X1Σg+及a1Πg- X1Σg+系統
Date of Defense 2000-07-17
Page Count 64
Keyword
  • absorption
  • nitrogen
  • Abstract 本文主要是研究氮氣在真空紫外光區1.(C3Πu←X1Σg+);2. (a1Πg←X1Σg+)的光吸收現象及3.在紫外光區所激發螢光(C3Πu→B3Πg)的情形。我們的實驗方式分成兩部份: 1.同步輻射光作為激發光源,來觀察氮氣在105 nm-150 nm的吸收現象;2.以三米真空紫外分光光譜儀配合使用微波放電的方式來測量氮氣在280 nm—360 nm的螢光光譜。
    在實驗所得到的結果裡,我們在波長範圍104 nm-120 nm之間,觀察到了N2(C3Πu←X1Σg+)的吸收光譜,而在110 nm-150 nm之間,也觀察到了N2 (a1Πg←X1Σg+) 的吸收光譜。其中在N2(C3Πu←X1Σg+)有4個振動能階被觀察到;在N2(a1Πg←X1Σg+)則有14個振動能階被觀察到。我們與之前所做的研究相比較時,其位置都非常接近。
    另外,在波長280 nm-360 nm之間,我們觀察到了 N2 (C3Πu→B3Πg)的螢光,也發現了隨著振動能階的增加,其所放出的螢光也相對變弱了。我們與以前所得的資料對照時,其每個振動能階的位置都頗為接近。
    Table of Content 目錄……………………………………………………………………Ⅰ
    圖目錄…………………………………………………………………Ⅲ
    表目錄………………………………………………………………Ⅴ
    第一章 前言……………………………………………………………1
    1-1大氣中的氮氣……………………………………………………1
    1-2氮氣的電子組態與能階…………………………………………4
    1-3氮氣的能帶系統………………………………………………11
    第二章 實驗儀器與步驟…………………………………………15
    2-1同步輻射實驗系統……………………………………………15
    2-1-1同步輻射光源………………………………………………15
    2-1-2同步輻射實驗系統簡介……………………………………17
    2-1-3同步輻射光之波長校正……………………………………18
    2-1-4同步輻射實驗步驟…………………………………………19
    2-2微波放電之實驗系統…………………………………………21
    2-2-1微波放電系統簡介…………………………………………21
    2-2-2分光儀波長校正……………………………………………21
    2-2-3微波放電實驗步驟…………………………………………22
    第三章 三米真空紫外分光光譜儀………………………………25
    3-1系統簡介………………………………………………………25
    (1) 真空部分…………………………………………………26
    (2) 分光儀部分………………………………………………30
    (3) 光偵測器部分……………………………………………34
    (4) 訊號讀取部分……………………………………………34
    3-2測試結果與光譜校正…………………………………………37
    第四章 吸收截面測定……………………………………………44
    4-1同步輻射吸收光譜……………………………………………44
    4-2誤差估計………………………………………………………47
    第五章 實驗結果與分析…………………………………………48
    5-1氮氣吸收光譜…………………………………………………48
    5-2氮氣螢光光譜…………………………………………………56
    第六章 結論…………………………………………………………60
    參考資料………………………………………………………………62
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    Advisor
  • Jan-Bai Nee(倪簡白)
  • Files
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    Date of Submission 2000-07-17

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