具有角度放大功能之近眼顯示器全像光導

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姓名

劉政銓(Cheng-Chuan Liu) 查詢紙本館藏

畢業系所

光電科學與工程學系

論文名稱

具有角度放大功能之近眼顯示器全像光導
(VHOE Light Guide for Near-eye Displays with Angular Magnification Function)

相關論文

★ 用於牙齒頻譜的多點量測之高光譜系統	★ 結合全像光學元件的微型化數位全像顯微鏡
★ 隨讀取位置改變之多頁繞射疊加訊號之相位誤差容忍度分析	★ 記錄於倒數空間高繞射效率之全像儲存系統
★ 提升近眼顯示器光學效率之輸入影像頻譜分布技術	★ 點雲建模技術

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至系統瀏覽論文 (2028-8-1以後開放)

摘要(中)

近年由於頭戴式顯示器的可視範圍(Field of View，FOV)會受到系統上元件孔徑的限制，需在其光場上進行優化調製，然而，光場的放大需要一些特殊光學元件的加入而達到擴增效益，但可同時亦增加了頭戴式顯示器的重量。本研究中，我們提出使用體積全像光導元件來取代繁重的微透鏡系統，並將元件之波前紀錄於體積全像片中，以適應用於可視穿型式混合實境(Mixed Reality，MR)顯示技術領域。
透過不同焦距的微透鏡系統的波前紀錄於全像片中，觀察在不同焦距下的角度放大變化量，並同時估算理論，最後與實驗進行比較與驗證。

摘要(英)

Currently, the field of view (FOV) of head-mounted displays is qenerally limited by system constraints and requires magnification on the light field. However, optical components are needed for light field magnification, increasing the weight of the head-mounted display. In this study, we propose using volume holographic optical elements instead of the cumbersome microlens system, recording the wavefront on a volume holographic plate for use in mixed reality (MR). We recorded the wavefront information under different focal length of microlens systems on to holographic plates to observe changes in angle magnification at different focal lengths, estimating the theory and comparing and verifying with experiments.

關鍵字(中)

★ 混合實境
★ 頭戴式顯示裝置
★ 體積全像光學元件

關鍵字(英)

★ Mixed Reality
★ Head mount display
★ Volume Holographic optical element

論文目次

目錄
摘要...........i
Abstract.......vi
致謝...........vii
目錄...........viii
圖目錄.........x
表目錄.........xiii
第一章緒論....1
1-1 引言......1
1-2 全像光學之發展與簡述.....3
1-3 體積全像..........5
第二章實驗理論簡介....7
2-1 全像術............7
2-2 布拉格條件........11
2-3 耦合波理論........13
2-4 相位疊加法........26
第三章實驗理論計算....30
3-1 光學成像與放大率系統....30
第四章實驗結果........32
4-1 實驗架構...........32
4-2 實驗結果放大倍率與理論值估算比較....40
4-3 全像片位移之影像解析度分析與討論....46
第五章總結.....49
參考資料...........51
中英文名詞對照表....54

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指導教授

余業緯孫慶成(Yeh-Wei Yu Ching-Cherng Sun)

審核日期

2023-8-15

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