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研究生:謝祥永
研究生(外文):Hsiang-Yung Hsieh
論文名稱:新型多埠光學循環器之研製
論文名稱(外文):Design and Implementation of Novel Multi-port Optical Circulators
指導教授:陳坤煌陳坤煌引用關係陳敬��
指導教授(外文):kun- Huang ChenJing-Heng Chen
學位類別:碩士
校院名稱:逢甲大學
系所名稱:電機工程所
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2009
畢業學年度:97
語文別:中文
論文頁數:82
中文關鍵詞:空間偏離偏極模組空間偏極分光器二分之一波片法拉第旋轉器光學循環器偏極模色散
外文關鍵詞:spatial- and polarization- modulesspatial walk-off polarizershalf-wave plateFaraday rotatoroptical circulatorpolarization-mode dispersion
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數種光學循環器/準循環器的設計被提出。首先,由兩個串聯的空間偏離偏極模組和數個偏極光導引模組所組成的晶體式多埠光學循環器被提出。此空間偏極模組是由兩個雙折射晶體空間偏極分光器、一個法拉第旋轉器和一個二分之一波片所組成。偏極光導引模組則是由數個偏極分光鏡和反射稜鏡所組成,用以解決偏極模色散的問題。接著,兩種多埠光學循環器被提出,其中使用偏極分光鏡取代雙折射晶體空間偏極分光器。由於結構的對稱,所以沒有偏極膜色散的問題,為了驗證這些設計的可行性,數個六埠光學循環器/準循環器之原型被組裝並以632.8 nm 氦氖雷射光源測試。它們的效能被討論。這些設計的優點包含偏極獨立、密集、偏極模色散消除的,以及埠的數目可容易地擴充。
Several designs of optical circulators/quasi-circulators have been proposed. Firstly, a crystal type multi-port optical quasi-circulator has been proposed that is composed of two spatial- and polarizationmodules in series and several polarization light guiding modules. The spatial- and polarization- module is consisted of two birefringence crystal spatial walk-off polarizers, a Faraday rotator, and a half-wave plate. The polarization light guiding module consisting of some polarization beam splitting cubes and reflection prisms is introduced for
solving the problem of polarization mode dispersion. Then two multi-port optical circulators have been proposed in which the birefringence crystal spatial walk-off polarizers are replaced by polarization beam splitting cubes. Due to the symmetry of this structure, it is no problem of polarization mode dispersion. In order to show the validity of these designs, several prototypes of 6-port optical circulators/quasi-circulators were assembled and were tested by a 632.8 nm laser light source. Their performances were discussed. The advantages of these designs include polarization independent, compact, polarization mode dispersion solved, and the number of port could be expanded easily.
摘 要 i
Abstract ii
誌 謝 iii
目 錄 v
圖 目 錄 viii
表 目 錄 xi
縮寫與符號對照表 xii
第一章 緒論 1
1.1 前言 1
1.2 章節簡介 3
第二章 光學循環器簡介 5
2.1 前言 5
2.2 光學循環器之組成元件 5
2.2.1 空間偏極分光元件 6
2.2.2 法拉第旋轉器 11
2.2.3 波片 14
2.3 光學循環器之分類 17
2.3.1 晶體式光學循環器 17
2.3.2 PBS式光學循環器 19
2.3.3 波導式光學循環器 21
2.3.4 全像式光學循環器 23
2.4 光學循環器之應用 25
2.5 小結 32
第三章 新型晶體式多埠光學準循環器 33
3.1 前言 33
3.2 晶體式空間偏離偏極模組 33
3.3 晶體式多埠光學準循環器設計架構與原理 36
3.4 實驗結果與討論 38
3.5 小結 43
第四章 新型PBS式多埠光學循環器 45
4.1 前言 45
4.2 串聯式多埠光學循環器設計架構與原理 46
4.3 堆疊式多埠光學循環器設計架構與原理 50
4.4 實驗結果與討論 54
4.5 小結 58
第五章 結論與未來展望 59
參考文獻 62
作者簡介 66
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