即時性動量空間影像量測系統 結合光致發光及顯微鏡量測

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戴立軒(LI-HSUAN TAI) 查詢紙本館藏

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光電科學與工程學系

論文名稱

即時性動量空間影像量測系統結合光致發光及顯微鏡量測
(Instantaneous Momentum Space Imaging Measurement System Combined with Photoluminescence and Microscopy)

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至系統瀏覽論文 (2029-6-23以後開放)

摘要(中)

當代科學研究領域中，利用先進光學系統對材料進行光學性質
分析，已成為檢測物質內在機制的重要手段。本研究通過結合光致
發光（Photoluminescence, PL）和電致發光（Electroluminescence, EL）
技術激發樣品，配合無焦系統和透鏡組，將樣品的發光特性轉換為
適合電荷耦合元件（Charge Coupled Device, CCD）測量的尺寸及形
式。此方法能夠迅速且精準地獲得光強度角度分佈的實驗數據，與
傳統測量方法相比，大幅提升了實驗效率，同時避免了樣品衰退的
問題。
在光學系統的設計過程中，關鍵步驟包括將樣品產生的光線通
過物鏡在不同角度展開，並利用可調式光圈（IRIS）過濾掉高角度
下的雜訊。系統中的無焦組件作為基礎架設，用於調節匹配光束的
尺寸，最終在 CCD 上形成一個角度對角度的二維光強度分佈圖像，
而樣品的激發方式採用了光致發光（PL）的方式，使系統能夠靈活
適應多種樣品的激發需求。

摘要(英)

In the realm of contemporary scientific research, utilizing advanced
optical systems for analyzing the optical properties of materials has
become a crucial means for probing the intrinsic mechanisms of
substances.This study integrates Photoluminescence and Electroluminescence techniques to excite samples, combined with a lens-free system and
lens assembly, transforming the sample′s luminescent characteristics into
dimensions and forms suitable for measurement by Charge Coupled
Devices . This method allows for the rapid and precise acquisition of
experimental data on light intensity angle distribution, significantly
enhancing experimental efficiency compared to traditional measurement
methods, while also preventing sample degradation.
During the design process of the optical system, key steps include
dispersing the light generated by the sample through an objective lens at
various angles, and filtering out noise at high angles using an adjustable
iris (IRIS). The lens-free components serve as a fundamental setup to
adjust and match the size of the light beam, ultimately forming a twodimensional light intensity distribution image of angle against angle on the
CCD. The excitation of the sample is achieved through Photoluminescence,enabling the system to flexibly adapt to the excitation needs of
various samples.

關鍵字(中)

★ 光致發光
★ 顯微鏡
★ 動量空間影像

關鍵字(英)

★ Photoluminescence
★ Microscopy
★ Momentum Space Imaging

論文目次

中文摘要 i
Abstract ii
誌謝 iii
目錄 iv
圖目錄 vii
第一章緒論 1
1-1 前言 1
1-2 研究動機和目的 3
第二章基礎理論 4
2-1 即時性動量空間影像量測系統之理論 4
1. 透鏡成像公式 4
2. 無焦系統 5
3. 真實空間與動量空間 6
4. 光學傅立葉轉換 7
5. 空間經由透鏡轉換之流程 7
2-2 光致發光 9
2-3 朗伯輻射體 10
第三章實驗方式與結果討論 12
3-1即時性動量空間影像量測系統之架設 12
1. 系統原理 12
2. 光學量測架設 13
3. 系統校正 17
 真實空間 18
 動量空間 20
3-2實驗元件製程與結構 24
3-3量測結果與討論 25
1. 實驗結果與測量方式 26
2. 結果討論 26
3-4 P、S波量測結果討論 31
第四章結論與未來展望 35
附錄1. Matlab使用與編寫 36
1. 動量空間影像模擬 36
2. 光強度分布圖之轉換 38
參考文獻 43

圖目錄
圖2- 1透鏡成像光路圖 5
圖2- 2無焦系統光路概念圖 6
圖2- 3真實空間轉換動量空間示意圖 8
圖2- 4 LAMBERT′S COSINE LAW示意圖 11
-----------------------------------------------------------------------------------------
圖3- 1真實空間光學系統架設示意圖 15
圖3- 2 動量空間光學系統架設示意圖 15
圖3- 3 光致發光量測架設示意圖 15
圖3- 4 實際架設俯瞰圖 17
圖3- 5 真實空間量測影像 19
圖3- 6 Y軸角度對印之像素點 21
圖3- 7 X軸角度對印之像素點 21
圖3- 8模擬動量空間 23
圖3- 9實際動量空間 23
圖3- 10 待測元件結構 24
圖3- 11 單層膜發光影像光強分布 27
圖3- 12 共振腔發光影像光強分布 27
圖3- 13 單層膜一維光強曲線 28
圖3- 14 共振腔一維光強曲線 28
圖3- 15 共振腔與單層膜光強度分布比較圖 29
圖3- 16 P、S量測架設 31
圖3- 17 單層膜在P方向通過偏振片之光強分布 32
圖3- 18 單層膜在S方向通過偏振片之光強分布 32
圖3- 19 共振腔在P方向通過偏振片之光強分布 33
圖3- 20 共振腔在S方向通過偏振片之光強分布 33

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指導教授

張瑞芬(JUI-FEN CHANG)

審核日期

2024-7-3

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