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研究生： 謝曜新
Yao-Hsin Hsieh
論文名稱： 鈦藍寶石雷射環形再生放大器之建造
Construction of a Ti:sapphire Ring Regenerative Laser Amplifier
指導教授： 張榮森
Rong-Seng Chang
口試委員:
學位類別： 碩士
Master
系所名稱： 理學院 - 光電科學與工程學系
Department of Optics and Photonics
論文出版年： 2020
畢業學年度： 108
語文別： 中文
論文頁數： 60
中文關鍵詞： 再生放大器 、飛秒脈衝 、脈衝延展器 、脈衝壓縮器 、啾頻脈衝放大
外文關鍵詞： regenerative amplifier, femtosecond pulse, stretcher, compressor, Chirped-pulse amplification
相關次數： 點閱：16  下載：0 
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    • 我們設計並建造了一套鈦藍寶石雷射環形再生放大器，在其共振腔內使用了多次反射薄膜片以調製其頻譜，最終達成了5 mJ的脈衝能量輸出，穩定度達2 %，頻譜頻寬為34.7 nm。將來預定取代中央大學強場物理與超快技術實驗室現有的8通放大器，作為其100兆瓦超高功率超短脈衝雷射系統的前級放大器使用。

    We designed and built a Ti:sapphire ring regenerative laser amplifier. A multiple-reflective pellicle is used in its cavity to broaden the amplified spectrum. We achieved an output energy of 5 mJ, with a stability of 2%. The output bandwidth is 34.7 nm. In the future, it is planned to replace the existing 8-pass amplifier of the High-Field Physics and Ultrafast Technology Laboratory at National Central University as a preamplifier for its 100-TW ultra-intense ultra-short pulse laser system.

    目錄 第一章、簡介 ......................................................................................... 1 第二章、 啾頻脈衝放大技術(Chirped-Pulse Amplification, CPA) .... 4 2-1 增益介質能階與飛秒鎖模振盪器 ............................................ 6 2-2 脈衝延展器 (Stretcher) ............................................................. 9 2-3 放大過程中的頻譜調製 .......................................................... 12 2-3-1 增益致窄 (Gain narrowing) .......................................... 12 2-3-2 動態增益飽和 (Dynamic gain saturation) ..................... 13 2-3-3 頻譜調製 ....................................................................... 13 2-4 脈衝壓縮器 (Compressor) ...................................................... 16 2-5 再生放大器與多通放大器之比較 .......................................... 17 第三章、 環形再生放大器的設計 ...................................................... 18 3-1 增益的計算 ............................................................................. 18 3-2 共振腔的設計 ......................................................................... 21 3-3 激發雷射傳繼成像系統 .......................................................... 25 第四章、 實際光路架設 ...................................................................... 28 4-1 環形再生放大器激發雷射的架設 ........................................... 28 4-2 環形再生放大器入射光路架設 .............................................. 31 4-3 脈衝壓縮器之架設 .................................................................. 33 ii 4-4 環形再生放大器共振腔架設步驟與實際量測 ....................... 36 4-5 環形再生放大器輸出規格測量 ............................................... 39 第五章、 結果與未來展望 .................................................................. 43 Appendix A 共振腔的設計 .................................................................. 44 Appendix B 激發雷射傳繼成像系統計算 ........................................... 46 參考文獻 ............................................................................................... 49

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