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研究生： 吳柏霖
Bo-Lin Wu
論文名稱： 以雷射直寫製作長週期光柵應用於 折射係數感測
Using laser direct writing to fabricate long period gratings for refraction index sensing
指導教授： 戴朝義
Chao-yi Tai
口試委員:
學位類別： 碩士
Master
系所名稱： 理學院 - 照明與顯示科技研究所
Graduate Institute of Lighting and Display Science
論文出版年： 2023
畢業學年度： 112
語文別： 中文
論文頁數： 61
中文關鍵詞： 長週期光柵 、週期 、折射率 、包模 、雷射直寫 、波導
外文關鍵詞： long period grating, period, refractive index, cladding mode, laser direct writing, waveguide
相關次數： 點閱：18  下載：0 
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    • 本論文利用鈉銀離子交換的技術製作光波導基板，然後利用雷射直寫技術製作長週期光柵，並藉由顯微系統研究光波導經過光柵的分光情形。在理論上模擬光波導在光柵中因為包層模式下所產生的折射行為，並指出包覆層折射係數對於折射光影響的重要性。在實驗上我們成功地看到光在經過光柵後所產生的顏色變化，然而我們不同週期的光柵之間的顏色變化沒有明顯的分別。我們將其歸因於光柵週期的區別不夠大。

    This paper uses sodium-silver ion exchange technology to make optical waveguide substrates, and then uses laser direct writing technology to make long-period gratings, and uses a microscope system to study the light splitting of the optical waveguide after passing through the grating. Theoretically simulate the refractive behavior of the optical waveguide in the grating due to the cladding mode, and point out the importance of the refractive index of the cladding layer on the refracted light. Experimentally, we have successfully seen the color changes produced by light after passing through gratings. However, there is no obvious difference in the color changes between our gratings with different periods. We attribute this to the fact that the grating period is not sufficiently different.

    中文摘要………………………………………………………………I Abstract………………………………………………………………II 誌謝 …………………………………………………………………………III 目錄 …………………………………………………………………………i 圖目錄…………………………………………………………………ii 表目錄……………………………………………………………… iii 一、緒論………………………………………………………………………1 1-1 前言………………………………………………………………1 1-2 研究動機與背景…………………………………………………2 1-3 研究目的…………………………………………………………4 1-4 論文架構…………………………………………………………6 二、文獻回顧……………………………………………………....7 2-1 玻璃態穩定銀奈米粒子的形成機制……………………………7 2-2 由Ag+–Na+形成的鈉鈣玻璃離子交換銀奈米複合材料的吸收和發光.....................................................10 2-3波導………………………………………………………………14 2-4 cladding mode…………………………………………………16 2-5長週期光柵在平面梯度波長感測器方面的應用可能性分析…18 三、研究方法……………………………………………………...23 3-1 波導製作……………………………………………………….23 3-2 實驗架構……………………………………………………….30 3-3 實驗模擬……………………………………………………….30 3-4 耦合光測量…………………………………………………….32 四、實驗結果與討論………………………………………….....33 五、結論…………………………………………….............43 參考文獻…………………………………………………………….45

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