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系統識別號 U0026-2607201914545100
論文名稱(中文) 泵源調制雷射系統的混沌與極端事件
論文名稱(英文) Chaos and extreme events in a pump-modulation laser system
校院名稱 成功大學
系所名稱(中) 光電科學與工程學系
系所名稱(英) Department of Photonics
學年度 107
學期 2
出版年 108
研究生(中文) 黃靖宸
研究生(英文) Jing-Chen Huang
學號 L76051037
學位類別 碩士
語文別 中文
論文頁數 52頁
口試委員 指導教授-魏明達
口試委員-陳慶緒
口試委員-徐旭政
口試委員-曾碩彥
中文關鍵字 簡併共振  非線性動力學  混沌  極端事件 
英文關鍵字 degeneracy oscillation  nonlinear dynamics  chaotic  extreme events 
學科別分類
中文摘要 本論文探討泵源雷射系統調制所產生的雷射非線性動態行為及極端事件(extreme event)。用不同泵源激發光束大小來激發晶體,其共振腔的長度靠近簡併共振腔時,經由泵源的外加調制頻率接近鬆弛振盪頻率時,調制深度大於閾值雷射會產生混沌現象,我們發現此系統也會激發極端事件(強度大於平均值加四倍標準差),產生極端事件的閥值與調制頻率有關,且實驗與模擬的結果相互吻合。
英文摘要 In this thesis, we discuss the nonlinear dynamics and extreme events in the pump-modulated laser system. We operate at the cavity length which is close to the transverse mode-degenerate configuration, and pump the gain medium by different pumping spot sizes. When the modulation frequency is close to the relaxation oscillation frequency, the chaotic regime can be observed when the modulation depth increases to a given threshold. And we also observe the extreme event in the solid-state laser system, and the threshold of the modulation depth for the extreme events relates to the modulation frequency, and the results of the experiment and simulation agree well with each other.
論文目次 摘要 I
Summary II
誌謝 VI
目錄 VII
圖目錄 IX
第一章 緒論 1
1.1 背景簡介 1
1.2 研究動機與目的 3
第二章 原理 4
2.1 雷射簡併共振腔 4
2.2 雷射非線性動態行為 7
2.3 極端事件 11
第三章 兩面鏡平凹腔雷射產生極端事件 16
3.1 雷射產生極端事件模擬 16
3.1-1 模擬模型 16
3.1-2 模擬結果 18
3.2 雷射產生極端事件實驗 30
3.2-1 實驗架構與步驟 30
3.2-2 小pump spot size 之實驗結果 32
3.2-3 大pumpspot size 之實驗結果 38
第四章 結論與未來展望 48
4.1 結論 48
4.2 未來展望 48
文獻參考資料 49
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