臺灣博碩士論文加值系統

根據耦合波理論和基片型全像片的架構，一個特殊設計具有大的分光角的偏極選擇元件之設計被提出。利用此設計，我們只需低的調制折射率值即可，因此使用一般的全像記錄材料便可達成。此外，本設計保留傳統全像片的所有優點。為了驗證本設計之可行，偏極選擇元件被製造，並且其相關特性參數被量測。其繞射角、調制折射率值、重建光波長和消光比分別為83.6∘、0.019、768.25 nm與 1102.24。

Based on the coupled-wave theory and the structure of substrate-mode holograms, a special design of polarization-selective elements is proposed at a relatively large splitting angle near 85∘. With this design, we need only a low refractive index modulation strength, which can be easily achieved by common recording materials. In addition, this design should bear all the merits of conventional substrate-mode holographic elements. In order to show the validity, polarization-selective elements were fabricated and their related characteristic parameters were measured. The diffraction angle, refractive-index modulation strength, reconstruction wavelength, and extinction ratio are about 83.6∘, 0.019, 768.25 nm, and 1102.24, respectively.

摘 要 i
Abstract ii
誌 謝 iii
目 錄 v
圖目錄 vii
表目錄 ix
縮寫與符號對照表 x
第一章 緒論 1
1.1 前言 1
1.2 研究動機與目的 3
1.3 章節簡介 11
第二章 基片型全像偏極選擇元件 12
2.1 前言 12
2.2 傳統架構 14
2.2.1 耦合波理論 14
2.2.2 架構敘述與原理 22
2.3 小結 26
第三章 低折射率調制值與大分光角之全像偏極選擇元件 27
3.1 前言 27
3.2 元件設計與原理 27
3.2.1 元件設計 27
3.2.2 原理 30
3.3 實驗結果與討論 33
3.3.1 元件拍攝架構 33
3.3.2 實驗結果 35
3.3.3 討論 41
3.4 小結 45
第四章 結論與未來展望 46
4.1 結論 46
4.2 未來展望 47
參考文獻 48
作者簡介 55

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