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博碩士論文 etd-0814108-170457 詳細資訊
Title page for etd-0814108-170457
論文名稱
Title
雙變曲率光纖端面研磨機構設計與製造之研究
A Study on the Design and Implementation of the Grinding Mechanism for Optical-Fiber Endface with Double-Variable Curvatures
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
79
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
2008-07-17
繳交日期
Date of Submission
2008-08-14
關鍵字
Keywords
研磨、研磨機、雙變曲率端面、機構設計
Mechanism Design, Grinding Machine, Endface with Double-Variable Curvatures, Grinding
統計
Statistics
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中文摘要
光纖透鏡之加工方式雖有化學腐蝕、雷射加工以及機械研磨等方法,但是目前仍以機械研磨最普遍。尤其是加工錐式楔型光纖端面、多角錐型光纖端面以及雙變曲率光纖端面時,機械研磨更有其獨特性。
國立中山大學-機械與機電工程研究所-機構設計實驗室雖已成功研發出「非對稱光纖端面研磨機構(NSC 94-2212-E-230-005)」及「扭力控制光纖端面研磨機構(NSC 95-2221-E-230-020)」,但由於這兩種機構均加裝於市售傳統光纖研磨機台上,因而光纖與研磨盤之夾角(θ)無法即時控制,導致無法研磨出雙變曲率光纖端面。
本研究將設計與製造一雙變曲率光纖端面研磨機構(軸切面與徑切面均為變曲率),藉由同步且週期性地改變光纖與研磨盤間之相對位置及正壓力,來控制光纖端面上任意點之材料移除率(Material Removal Rate);進而以一次研磨程序,研磨出所需之端面。本研究將由文獻回顧開始,接著進行「設計需求及限制」、「概念設計」、「評價與優選」及「細部設計」 ,最後進行組裝與校正。最後,將在結果與討論部份展示機構、研究成果,以及待改進之部分,以提供未來之研究方向。
本研究所研發之研磨機構,除可用於製造各式變曲率光纖端面,以供光纖通訊系統使用外,僅須更換適合之夾具及套管,即可用於各式微探針、微電極及微分光鏡之研磨加工。
Abstract
Mechanical grinding processes is the most popular way to fabricate the endface of optical fibers, although there are some other methods like chemical etching and leaser machining. Mechanical grinding has its uniqueness in cases of grinding Conical-Wedge-Shaped Fiber Endface(CWSFE), polygon-cone-shape fiber endface and fiber endface with double-variable curvatures.
Despite Mechanism Design Lab of National Sun Yat-sen university has successfully developed Unsymmetrical Fiber Endface Grinding Mechanism and Torque-Control Fiber Endface Grinding Mechanism in NSC 94-2212-E-230-005 and NSC 95-2221-E-230-020, it still face difficulties when fabricating the fiber endface with double-variable curvatures due to the mechanism constraints.
In this study, the focus are concentrated on both the designing and implementing of a mechanism for grinding optical-fiber endface with double-variable curvatures, which controls Material Removal Rate by simultaneously and periodically adjusting the relative positions, as well as the normal pressure between the fiber endface and the grinding film. This study is composed of first, the reviewing the anterior references, both the papers and the patents, and then a series of engineering design methods, which involve the design requirements and constraints, conceptual design, evaluating alternatives, detail design, assembly and calibration. The mechanism, the research result, and those needed to be ameliorated will be demonstrated in the conclusion and discussion part, so as to offer the investigating direction in the future.
It’s believed that the grinding machine system developed in this study can be successfully applied to fabricating optical fiber lenses as well as different types of micro probes , micro electrodes, and micro spectroscopefors for other applications, with little adjustment of the jig and ferrule of this machine .
目次 Table of Contents
謝誌 i
目錄 ii
圖目錄 iv
表目錄 vi
摘要 vii
Abstract viii
第一章 緒論 1
1.1 研究背景 1
1.2 研究動機 3
1.3 研究目的與論文架構 5
第二章 文獻探討 8
2.1 高斯光束 8
2.2 模態匹配 9
2.3 光纖透鏡之製造方法 13
2.3.1 光阻法 13
2.3.2 熔燒抽絲法 14
2.3.3 熔接法 15
2.3.4 化學蝕刻法 15
2.3.5 雷射微車床法 16
2.3.6 研磨法 17
第三章 光纖端面成型原理 20
3.1 傳統光纖研磨機簡介 20
3.2 材料移除率之參數 22


第四章 雙變曲率光纖端面研磨機之設計 24
4.1 設計需求與限制 25
4.2 概念設計 28
4.3 評價與優選 37
4.4 細部設計 39
4.5 系統整合 45
第五章 設備架設與實驗結果 48
5.1 設備架設與精度實驗 48
5.2 實驗結果 54
第六章 結論與建議 61
6.1 結論 61
6.2 後續研究之建議 65
參考文獻 66
參考文獻 References
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