論文主要在研究TiO2與K2O此兩種化合物，對於摻鉻玻璃以及摻鉻玻璃陶瓷之影響。由於改良式氣相沉積法(MCVD)摻鉻光纖預形體的製作過程中，對於Ti與K此兩種元素之添加上遭遇困難，但其對後續成品是否有影響並不曉得。因此對此兩種化合物進行探討，希望能在了解後進而對組成上進行改良，以其製作摻鉻光纖預形體順利。
本實驗分別改變TiO2與K2O在摻鉻玻璃組成中的含量，再進一步的對其進行光學及材料特性的量測。實驗結果證實，TiO2一般做為成核劑之化合物，對於結晶晶相並無影響，其主要功能在於幫助晶體的形成，從XRD的結果中即可得知。最主要影響晶相的為K2O，K2O的添加與否，才是影響Mg2SiO4晶相形成的最主要原因。而改變組成後，其晶相的差別對於摻鉻玻璃之螢光特性有何影響，在本篇論文中將有詳細的討論。
此外，本研究延續實驗室之前開發出來的新式雷射熱處理方式：二次雷射，希望能成功應用在未來抽製摻鉻光纖之上。本論文所提出之CO2雷射熱處理方式，能有效的在玻璃內部產生結晶轉變為玻璃陶瓷。同時，能夠有效的縮短熱處理之時間，大幅降低其成本。除此之外，還能利用二次雷射之方法，縮小晶體的尺寸，降低其散射損失。在改變組成後之雷射熱處理後之影響也將有深入的討論。

This thesis mainly studying the impact of TiO2 and K2O these two compounds in the Chromium-doped glasses and glass-ceramics. Due to the method of Modified Chemical Vapor Deposition (MCVD) of Chromium-doped fiber preform production process, the Ti and K elements have some difficulties; thus, we discuss the influences of these two elements. We hope to improve the composition after knowing these two elements, in order to make the Chromium-doped fiber preform well.
We change the weight percent of TiO2 and K2O in the glass composition, in order to observe the influences. Then, we measure their optical and material properties. The results of experiments show that the well-known nucleation agent: TiO2, have no effect of the crystalline phase. However, its function is to help the formation of crystals. We can conclude by the results of X-ray Diffraction (XRD). K2O plays an important role of the Mg2SiO4 phase. To add K2O or not, is the most important reason to affect the Mg2SiO4 phase formation. We will discuss in detail in this thesis about the phase difference for the fluorescence characteristics of Chromium-doped glass and glass-ceramics.
What’s more, we use the previously developed two times laser heat-treatment, hoping to successfully apply for Chromium-doped fiber drawing in the future. The laser heat-treatment of CO2-laser can induce the crystal in the glasses. However, this method only needs just a few seconds, which can reduce the cost of heat-treatment. In addition, we can reduce the crystalline size by using the method of two times laser heat-treatment, which can decrease the scattering loss. Also, we will discuss the impact of laser heat-treatment after changing the composition.

論文審定書 (中文) i
論文審定書 (英文) ii
誌謝 iii
中文摘要 iv
Abstract v
目錄 vi
圖目錄 ix
表目錄 xii
第一章 序論 1
1.1 前言： 1
1.2 研究背景： 1
1.3 研究目的： 2
1.4 本文架構 3
第二章 摻鉻玻璃之本質特性與雷射熱處理 4
2.1 摻鉻玻璃(Cr-doped glass) 4
2.1.1 摻鉻玻璃之吸收光譜與螢光光譜 5
2.2 摻鉻玻璃陶瓷(Cr-doped glass-ceramic) 6
2.2.1 摻鉻玻璃陶瓷之吸收光譜與螢光光譜 7
2.2.2 玻璃陶瓷結晶機制 8
2.3 摻鉻玻璃與玻璃陶瓷之能帶、能階模型 9
2.3.1 摻鉻玻璃之光譜與能階模型 10
2.3.2 摻鉻玻璃陶瓷之光譜與能階模型 10
2.4 雷射熱處理 11
2.4.1 摻鉻玻璃雷射熱處理 11
2.4.2 傳統雷射加工參數 13
第三章 實驗步驟與量測原理 15
3.1 摻鉻玻璃樣品之製備 15
3.2 摻鉻玻璃陶瓷之製備 16
3.3 摻鉻玻璃與玻璃陶瓷特性量測 17
3.3.1 吸收光譜(Absorption Spectra)： 17
3.3.2 熱差分析儀(Differential Thermal Analysis，DTA)： 18
3.3.3 X光繞射(X-ray Diffraction，XRD)： 18
3.3.4 螢光光譜(Fluorescence Spectra)： 19
3.3.5 偏光顯微鏡(Polarization Microscopy)： 19
3.3.6 近場光學顯微鏡(Near-field Scanning Microscopy)： 20
第四章 實驗結果與量測分析 22
4.1 熱處理後之樣品圖 22
4.2 摻鉻玻璃與玻璃陶瓷光學特性分析 24
4.2.1吸收光譜分析 24
4.2.2 配位場分析 27
4.2.2 螢光光譜分析 33
4.2.3 表面螢光分佈圖 35
4.3 摻鉻玻璃與玻璃陶瓷之材料特性分析 38
4.3.1 熱差分析儀曲線分析(DTA) 38
4.3.2 玻璃陶瓷內部結晶晶相分析(XRD) 40
4.4 雷射熱處理 46
4.4.1 先前技術回顧 46
4.4.2 一次雷射熱處理 49
4.4.3 二次雷射熱處理 50
第五章 結論 52
參考文獻 54

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