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系統識別號 U0026-3007202014551800
論文名稱(中文) 利用共振腔設計與腔內雙折射晶體產生具圓柱向量特性之Yb:YAB脈衝雷射
論文名稱(英文) Cavity design for generation of cylindrical vector beam in an Yb:YAB pulse laser with an intra-cavity birefringent crystal
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 108
學期 2
出版年 109
研究生(中文) 蘇柏任
研究生(英文) Bo-Ren Su
學號 L76071338
學位類別 碩士
語文別 中文
論文頁數 60頁
口試委員 口試委員-黃勝廣
口試委員-曾碩彥
口試委員-徐旭政
指導教授-魏明達
中文關鍵字 徑向偏振  方位角偏振  Q 開關脈衝 
英文關鍵字 Radial polarization  Azimuthal polarization  Q-switched pulses 
學科別分類
中文摘要 本論文藉由三面鏡共振腔設計以及在腔內加入雙折射晶體 YVO 4 的方法,來產生 Yb:YAB 晶體之圓柱向量光束, 透過 ABCD 矩陣以 及 G 1 G 2 穩定區 的分析,來找出共振腔穩定區中尋常光 o ray 與非尋 常光 e ray 單獨存在的位置, 而雙折射晶體則可以有效的提升這兩種 光單獨存在的範圍, 在第二段腔長 z 2 為 73.5 cm 時,可以透過調整第 一段共振腔長度 z 1 達到切換徑向偏振 RP 與方位角偏振 AP 的效果 在共振腔內加入聲光調製晶體後,則可以使輸出的圓柱向量光束帶有 Q 開關脈衝,且不影響其偏振品質。
英文摘要 In this thesis, we generate cylindrical vector beam in an Yb:YAB laser by using cavity design and birefringent crystal (YVO4). Through the analysis of the ABCD matrix and the G1G2, we can find the stable region of the cavity. And also we can find the where ordinary ray (o-ray) and extraordinary ray (e-ray) exist separately, the birefringent crystals can substantially increase stable region of o-ray and e-ray. When the cavity length z2 is 73.5 cm, the radial polarization (RP) and azimuthal polarization (AP) can be switched by adjusting the cavity length z1. After adding acousto-optic modulation crystal in the cavity, the cylindrical vector beam with Q-switcheded pulses can be obtained, and the polarization quality won't be affected.
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 簡介 ...................................1
1.2 動機與目的 ..............................6
第二章
原理 .......................................7
2.1圓柱向量光束 .............................7
2.2 雙折射晶體產生圓柱向量光束 ...............14
2.3 共振腔之穩定區範圍 .......................16
2.4 三面鏡之G1G2 ............................23
2.5 聲 -光調製器 ............................25
第三章
實驗結果與討論 ...............................29
3.1 實驗架構與步驟 ...........................29
3.2穩定區與 G1G2範圍模擬 .....................31
3.3改變腔長所得到之雷射範圍 ...................37
3.4雷射光形變化與特性 .........................39
3.5圓柱向量光束之偏振度 ........................42
3.6聲光調製之聲光調製之Q開關脈衝開關脈衝 ........47
第四章 結論與未來展望結論與未來展望 ............55
4.1 結論 .....................................55
4.2 未來展望 ..................................56
參考文獻 .....................................57
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