臺灣博碩士論文加值系統

研究實驗中主要透過光纖模擬軟體來找出光纖感測器最佳化設計，以往光纖感測器都是透過將不同光柵打入特定光纖後透過實際量測結果探討光纖量測性質，而本研究是透過軟體的模擬來找出最佳設計，並希望成為往後設計光纖感測器上的一個參考依據。
光纖光柵為普及的感測器元件，它不易受外界干擾且價錢便宜，使得它運用於許多地方；而本研究選擇光纖模擬，優勢在於可以將變因分割特別細緻，這是在以往實作光纖感測器上特別難完成的事情，在實作光纖感測器上受限於實驗設備，且往往為了避免器材的過度浪費，不會將光纖變因的值間距過小化取樣，這使實驗結果無法盡善盡美，這時模擬的輔助會成為不可或缺的助力，事先的模擬可以提供實作時的參數設定一個準確的方向，並透過比較模擬與實作結果之間的落差，從中尋找潛在變因。
此次選用同一種光纖參數，並加入不同的光纖光柵、折射率及溫度變化來探討如何找出最佳值為本論文重點及價值。

This study mainly through fiber simulation software to find out the optimal design of fiber optic sensors, fiber optic sensors in the past are through the different grating into a specific fiber after the actual measurement results to explore the nature of optical fiber measurement, and this is through the simulation of the software to find out the best design, and hope to become a reference for the future design of fiber optic sensors.
Fiber grating is a popular sensor component, it is not susceptible to outside interference and cheap, making it used in many places, and this choice of fiber simulation, the advantage is that the variable cause division can be particularly detailed, which is in the past real fiber optic sensors are particularly difficult to complete things, in the actual fiber optic sensors limited to experimental equipment, And often in order to avoid excessive waste of equipment, will not be the value of the fiber-based spacing too small sampling, which makes the experimental results can not be perfect, then the simulation of the auxiliary will become an indispensable help, the prior simulation can provide real-time parameters to set an accurate direction, and through the comparison of simulation and actual results between the fall, Look for potential changes.
This time, the same fiber parameters were selected, and different fiber grating, refractive index and temperature changes were added to explore how to find out the best values for the focus and value of this thesis.

摘要 i
ABSTRACT ii
誌謝 iii
目錄 iv
圖目錄 vi
表目錄 viii
符號說明 ix
第一章 緒論 1
1.1 研究動機 1
1.2 研究目的 1
1.3 研究方法 2
第二章 理論簡介 3
2.1 光纖簡介 3
2.1.1 介紹 3
2.1.2 光纖類型 3
2.2 光學理論 5
2.2.1 基礎光學 5
2.2.2 對稱平板型波導模態 7
2.3 光柵理論 8
2.3.1 耦合理論 9
2.3.2 布拉格光纖光柵 10
2.3.3 長週期光纖光柵 11
2.3.4 超結構光柵 12
2.3.5 斜角光纖光柵 13
2.3.6 光纖溫度、應力變化原理 14
第三章 研究方法與步驟 16
3.1 IOF Grating軟體介紹 16
3.2 介面介紹 16
3.3 實驗方法 21
第四章 實驗結果與討論 23
4.1 布拉格光纖光柵 23
4.1.1 纖殼厚度變化 23
4.1.2 模擬量測不同物質 27
4.1.3 模擬布拉格光柵於不同角度之斜角光柵 29
4.1.4 傾斜布拉格光柵量測不同物質 34
4.1.5 布拉格光柵有無斜角比較 36
4.1.6 斜角布拉格光柵適合的纖殼大小 37
4.1.7 溫度對布拉格光柵影響 39
4.2 長週期光纖光柵 42
4.2.1 纖殼厚度變化 42
4.2.2 模擬量測不同物質 43
4.2.3 長週期光柵結合不同斜角 45
4.2.4 傾斜長週期光柵量測不同物質 47
4.2.5 長週期光柵有無斜角比較 49
4.2.6 溫度對長週期光柵影響 50
4.3 超結構光柵 53
4.3.1 固定長週期光柵之週期，變更布拉格光柵長度 53
4.3.2 固定布拉格光柵之長度，變更長週期光柵之週期 54
4.3.3 纖殼對超結構光柵影響 59
4.3.4 模擬量測不同物質 61
4.3.5 模擬斜角布拉格光柵影響 63
4.3.6 溫度對超結構光柵影響 64
第五章 結論與未來展望 68
5.1 結論 68
5.2 未來展望 68
參考文獻 69

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