臺灣博碩士論文加值系統

本論文所提出的研究是利用聲光效應(Acousto-Optic Effect)之傳遞函數及傅立葉光學(Fourier Optics)作為數學模型基礎，模擬分析輸入光在不同極化狀態下，對2D/3D可切換模式的裸眼立體顯示器的特性參數的影響；其中2D/3D可切換模式的裸眼立體顯示器，是利用聲光透鏡(Acousto-Optic Lens)所構成的光學元件，其工作原理是當聲波在聲光晶體中傳播，晶體介質折射率會產生周期性變化形成光柵，當輸入光符合布拉格條件(Bragg Condition)時，輸出光特性如同一主動式柱狀透鏡或陣列，利用此聲光效應的特點可即時調整透鏡焦距，優點包括觀賞距離較彈性，能提供舒適的立體感知等，故選用此光學元件2D/3D可切換模式的裸眼立體顯示器研究。

In this paper, we propose the performance of a 2D/3D Switchable Autostereoscopic Display System with an input light source with different kind of polarizations. An acousto-optic lens with an implicit expression of its optical transfer function is employed in the 2D/3D Switchable Autostereoscopic Display System. Various performance results, the light intensity pattern, the crosstalk ratio and the IPD range are studied for light of different polarization. It is proved that using an acousto-optic lens, we can change its focal length in real time, have more flexibility in viewing distance, and also have comfortable three-dimensional perception.

摘 要 I
Abstract II
致 謝 III
目 錄 IV
圖索引 VI
表索引 VIII
第一章 緒論 1
1.1研究動機 1
1.2 研究方法 1
1.3 論文大綱 2
第二章 可切換平面/立體影像顯示裝置 3
2.1 立體視覺之基本原理 3
2.2 立體顯示器介紹 9
2.3 影像相關術語定義 15
2.4主動式聲光透鏡裸眼立體顯示器架構 19
2.5 主動式聲光透鏡分析 19
2.5.1 主動式聲光透鏡折射率 20
2.5.2主動式聲光透鏡焦距與間距 24
2.5.3即時可切換2D/3D模式和螢幕可翻轉特性 26
2.5.4裸眼立體顯示器觀賞距離 28
2.6 結語 29
第三章 光學模擬之數學理論 30
3.1極化光的種類 30
3.2 聲光效應 31
3.2.1聲光對光場的影響 32
3.2.2聲光透鏡之傳遞函數 33
3.3傅立葉光學函數定義 36
3.4 模擬範例 40
第四章 結論與未來展望 47
4.1 結論 47
4.2 未來展望 47
參考文獻 48

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