博碩士論文 89246007 詳細資訊


姓名 馬仕信(Shih-Hsin Ma)  查詢紙本館藏   畢業系所 光電科學與工程學系
論文名稱 光學散射元件的設計與應用之研究
(The Study of Optical Diffusers and Applications)
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摘要(中) 本論文以光散射片之應用為重點,首先利用陣列透鏡具有整形光形之作用,以設計大散角及高穿透效率之散射片,以做為照明之應用。其次,我們提出了一個體積全像式之旋轉角度量測系統,產生亂相的毛玻璃與旋轉中心間由一支連桿連接,我們可藉由改變連桿半徑來調整不同的角度容忍度,其調整範圍可由幾度至百分之一度之間,實驗與理論比較亦相當之吻合。最後,我們利用毛玻璃做為體積全像亂相多工儲存之亂相產生器與角度感測元件,其在毛玻璃角度改變時的亂相特性在體積全像中多工儲存多張不同的影像來達到全光學之感測,在實驗中,我們儲存三張不同的影像,並成功地藉由此全光學之體積全像感測系統讀出旋轉角度。
摘要(英) In this thesis, we study on the design and application of diffusers. First at all, we design a lens-array type diffuser for lighting application to perform high transmission efficiency and large diffusion angle. Then we propose a rotation measurement system with use of volume holography. In such a system, the ground glass, which is a random phase generator, is attached on a rod which is connected to a rotational stage. By adjusting the length of the rod, we can obtain various rotational selectivity of the volume holographic filter. In the simulation as well as the experiment, the rotational selectivity is from several degrees to one hundredth degrees. Finally, we apply a ground glass to be a random phase generator and rotational sensor. We store multiple images in volume holographic recording medium with random phase encoding to perform an all optical sensing. In the experiment, we store three images and successfully read out the rotation angle through the proposed system.
關鍵字(中) ★ 光學散射元件
★ 散射光
關鍵字(英) ★ scattering
★ optical diffuser
論文目次 摘要 I
Abstract II
誌謝 III
目錄 IV
圖索引 VII
第一章 緒論 1
1-1 光散射學之發展 1
1-2 論文大鋼與安排 3
1-3 參考資料 5
第二章 光散射元件簡介 9
2-1 光散射元件工作原理 9
2-1-1 反射型光散射 9
2-1-2 透射型光散射 10
2-2 光散射特性參數及量測簡介 14
2-2-1 雙向散射光分布函數 14
2-2-2 光散射元件粗糙度 18
2-3 光散射元件散射角度之量測 21
2-4 結論 24
2-5 參考資料 25
第三章 大散角及高效率光散射片設計與應用 28
3-1 陣列透鏡光散射片簡介 28
3-2 單一透鏡之初階設計 33
3-3 陣列透鏡光散射片設計 40
3-4 結論 46
3-5 參考資料 47
第四章 體積全像亂相多工之高旋轉敏感度光學元件 50
4-1 體積全像儲存簡介 50
4-2 體積全像亂相編碼工作原理 51
4-3 旋轉軸心偏移量與亂相多工角度容忍度分析 55
4-4 毛玻璃發散面上光強度分布量測與分析 58
4-5 實驗架構與步驟 61
4-6 實驗結果與討論 63
4-7 結論 67
4-8 參考資料 69
第五章 體積全像亂相旋轉多工在角度量測應用 74
5-1 體積全像儲存概況 74
5-2 體積全像亂相編碼與旋轉多工儲存 75
5-3 實驗過程與結果討論 79
5-4 結論 85
5-5 參考資料 86
第六章 結論 89
中英文名詞對照表 91
Publication List 95
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指導教授 孫慶成(Ching-Cherng Sun) 審核日期 2007-7-18
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