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博碩士論文 etd-0725109-044816 詳細資訊
Title page for etd-0725109-044816
論文名稱
Title
變折射率塑膠光纖耦光效率分析
Coupling Efficiency of Graded-Index Polymer Optical Fiber
系所名稱
Department
畢業學年期
Year, semester
語文別
Language
學位類別
Degree
頁數
Number of pages
115
研究生
Author
指導教授
Advisor
召集委員
Convenor
口試委員
Advisory Committee
口試日期
Date of Exam
2009-07-09
繳交日期
Date of Submission
2009-07-25
關鍵字
Keywords
變折射率塑膠光纖、橫斷偏置、Y-型耦合器、V-型槽耦合器、耦光效率
Y-coupler, coupling efficiency (CE), graded-index polymer optical fibers (GI-POF), V-groove coupler, transverse offset
統計
Statistics
本論文已被瀏覽 8952 次,被下載 12
The thesis/dissertation has been browsed 8952 times, has been downloaded 12 times.
中文摘要
本論文主要探討折射率漸變型(GI)塑膠光纖(POF)組件各尺寸參數對光源耦光效率及光訊號混合率之影響。文中分別採用幾何光學模式配合實驗驗證,分析光源對位誤差、Y-型光纖耦合元件及溝槽型耦合元件之耦合效率。在對位誤差效應分析方面,分別討論雷射二極體(LD)及垂直共振腔面射型雷射(VCSEL)不同光場與對位精度之影響效應。並以發光二極體(LED)為光源,針對Y-型耦合角度及填充材料分析最佳設計參數組合。研究結果顯示,數值模擬與實驗數據結果有頗佳之ㄧ致性。
文中並分別提出平行溝槽佈列及螺旋溝槽佈列之多光源耦合元件之構想,配合分析結果提出最佳耦合效應之溝槽設計參數。並以最佳耦合效應之溝槽排列為佈列,獲得不同光訊號混合率之最佳參數。
Abstract
The effects of geometry parameters of graded-index polymer optical fiber (GI-POF) components on the coupling efficiency and signal mixed proportion are studied in this thesis. Simulation and experimental approaches are used to investigate the effects of light sources on the coupling efficiency of misalighment, Y-couplers and V-groove couplers. Two different light sources are employed in this study: Laser diode (LD) and vertical-cavity surface-emitting laser (VCSEL). The optimum coupling angle and refractive index of filler in the Y-coupler are studied with a light-emitting diode (LED) light source. A good agreement between the simulation and the experiment results is shown in this work.
Furthermore, two V-groove array arrangements, i.e. the parallel V-groove array and the skew V-groove array, are proposed in this study to mix multi-light-sources. The optimum parameters of V-groove are designed to achieve the highest coupling efficiency. The performances of different V-groove array arrangements have also been demonstrated for multi-signal mixing.
目次 Table of Contents
目錄 i
圖目錄 iii
表目錄 vii
符號說明 viii
摘要 xi
Abstract xii
第一章 緒論 1
1-1 前言 1
1-2 研究動機及方法 3
1-3 文獻回顧 3
1-4 組織與章節 5
第二章 GI-POF位移損失耦光效率分析 16
2-1 GI-POF光功率位移損失理論 16
2-2 GI-POF橫斷側軸偏置耦光效率實驗量測 18
2-2-1 實驗量測設置 18
2-2-2 實驗量測結果 19
2-3 耦光效率光學分析 20
2-4結果與討論 21
第三章 GI-POF Y-型耦合耦光效率分析 43
3-1Y-型耦合實驗量測 43
3-1-1 實驗設置及步驟 43
3-1-2 實驗量測結果 44
3-2Y-型耦合耦光效率分析 44
3-3結果與討論 45
第四章 GI-POF V-型溝槽耦光效率分析 61
4-1 光追跡模型 61
4-2 V-groove幾何參數對耦光效應之影響 65
4-3 V-groove平行佈列 66
4-3-1 耦光效率分析 66
4-3-2 設計實例 67
4-4 V-groove螺旋佈列耦光效率分析 68
第五章 結論 93
未來工作 95
參考文獻 96
參考文獻 References
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