臺灣博碩士論文加值系統

本論文研究由不對稱十字架孔洞陣列形成之薄金屬帶通濾波器，對於不同偏極方向入射光該濾波器的穿透特性和衍生的相位差行為。我們改變十字架長、寬和週期三種結構，量測元件於兩個不同偏極方向(沿長軸與短軸)的穿透強度和相位差改變量。實驗與模擬結果可有定性上之吻合。我們發現不對稱十字架孔洞於不同偏極方向的穿透行為無法單用兩個正交矩形孔洞的穿透來做近似。此外，經過適當的設計週期性不對稱十字架孔洞陣列，基板上的薄金屬網狀濾波器可作為相位延遲片中的四分之一片來使用。

The paper investigates substrate-supported thin metallic band-pass filters perforated with asymmetric cross-shaped hole arrays. We vary the cross-shaped arm length, the width ,and the period of the cross-shaped hole arrays. We measure two polarized transmission spectra along the short and the long arm of the cross-shaped holes for each device. We also derive the phase shift of the filters. The data agree qualitatively with our simulation results. We find that the transmission characteristics of an asymmetric cross-shaped hole can not simply be explained by the transmission characteristics of two orthogonally arranged rectangular holes. Furthermore, we can obtain a quarter waveplate by properly designing the dimensions of the asymmetric cross-shaped holes.

中文摘要-----------------------------------------------Ⅰ
英文摘要-----------------------------------------------Ⅱ
致謝---------------------------------------------------Ⅲ
目錄----------------------------------------------------V
圖目錄--------------------------------------------------Ⅶ
表目錄--------------------------------------------------X

第一章 緒論 --------------------------------01
1-1 前言----------------------01
1-2 研究背景------------------03
1-3 研究動機------------------06
第二章 元件設計與製作過程---------------------07
2-1參數定義-------------------07
2-2製作元件項目---------------08
2-3 元件材料------------------10
2-4 製程流程------------------11
第三章 量測架設與原理-------------------------15
3-1傅立葉轉換紅外線頻譜分析儀-15
3-2 量測架設------------------18
3-3 量測原理------------------20
第四章 實驗結果與討論-------------------------25
4-1 前提說明------------------25
4-2程式計算方法簡略說明-------26
4-3 實驗結果說明--------------28
4-4 實驗結論------------------51
第五章 結論-----------------------------------52
參考文獻--------------------------------------53
簡歷------------------------------------------54

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