本論文主要為利用雷射加熱提拉生長法（Laser-heated pedestal growth, LHPG），來製作鈮酸鋰晶體與二氧化碲晶體的雙包覆層晶體光纖，並分別應用於光電相位調變器。
首先我們利用二氧化碳雷射加熱提拉生長法製作出，外層為二氧化矽玻璃，中間夾有銦錫氧化物In2O3-SnO (ITO)電極，而最內層為單晶鈮酸鋰核心的含嵌入式電極鈮酸鋰(LiNbO3)晶體光纖，並利用其作為新型光電調製器，其核心層的單晶鈮酸鋰光纖為5μm，而ITO電極間距為50μm，當中元件的半波電壓為6.6 V（Vπ），而有效電光係數為23 pm/V和0.89dB的傳輸損耗。同時我們利用此元件應用於光纖陀螺儀之相位調整，以及高速相位光開關。此外該技術可以適用於製造其他含有嵌入式銦錫氧化物電極的單晶核心光纖，這有可能使許多具有獨特特性的電調控光電光纖得以發展。

This thesis mainly focuses on producing double-cladding crystal fiber, made of lithium niobate (LiNbO3) and tellurium dioxide crystals by using Laser-Heated Pedestal Growth (LHPG), and being applied to the phase modulator and acoustic detector. First, we use CO2 LHPG to make fibers, the outercladding is SiO2 glass, the indium layer is electrode made of In2O3-SnO, the Indium Tin Oxide (ITO), while the inner core is single-crystal lithium niobate (LiNbO3) with embedded electrodes fiber, and use it as a new electro-optical modulator.
The core of single-crystal lithium niobate fiber is 5μm, and the ITO electrodes gap is 50μm. The within element half-wave voltage is 6.6 V (Vπ) while the effective electro-optic coefficient is 23 pm/V and the transmission loss of 0.89dB.
Meanwhile, we use this E-O modulators element applies to the phase adjustment of the fiber-optic gyroscopes and high-speed phase optical switch. In addition, this technique can be applied to the manufacture of other ITO electrodes embedded with single crystal fiber core, and makes it possible to develop a number of electrical regulation fibers with unique properties.

論文審定書 i
中文摘要 ii
Abstract iii
目錄 iv
圖目錄 vi
表目錄 viii
第1章 序論 1
1.1 前言： 1
1.2 研究目的： 1
1.3 本文架構 2
第2章 鈮酸鋰晶體簡介 4
2.1 鈮酸鋰晶體(LiNbO3) 4
2.2 鈮酸鋰晶體(LiNbO3)的電光效應 9
第3章 雙包覆層鈮酸鋰(LiNbO3)晶體光纖製作 18
3.1 雷射加熱提拉生長法（Laser-heated pedestal growth, LHPG） 18
3.2 鈮酸鋰雙包覆層晶體光纖製作 19
第4章 雙包覆層鈮酸鋰(LiNbO3)晶體光纖特性量測與改善 25
4.1 雙包覆層鈮酸鋰(LiNbO3)晶體光纖電光特性量測 25
4.2 利用熱退火處理降低ITO電極電阻 26
4.3 修正電極間距與核心尺寸 28
第5章 雙包覆層鈮酸鋰(LiNbO3)晶體光纖應用 31
5.1 雙包覆層鈮酸鋰(LiNbO3)晶體光纖相位調製器 31
5.1.1 光纖陀螺儀 34
5.2 雙包覆層鈮酸鋰(LiNbO3)晶體光纖高速相位光開關 43
第6章 結論 45
參考文獻 47

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