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研究生: 蔡宇哲
Tsai, Yu-Je
論文名稱: 應用光學干涉結合影像處理技術即時檢測非球面透鏡之研究
Combing optic interference with real-time image processing to automated optical inspect aspheric lens
指導教授: 徐旭政
Hsu, Hsu-Cheng
學位類別: 碩士
Master
系所名稱: 理學院 - 光電科學與工程學系
Department of Photonics
論文出版年: 2020
畢業學年度: 108
語文別: 中文
論文頁數: 76
中文關鍵詞: 非球面透鏡自動化光學檢測影像處理
外文關鍵詞: aspheric lens, automated optical inspect, image processing
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  • 多虧了現在光學模擬軟體的幫助,許多的光學設計開始可以預期結果並預先做好準備,甚至有許多的光學追跡系統可以運用至光學成像上,隨著電腦的運算能力大幅度的上升,非球面透鏡也在此時開始嶄露鋒芒,許多的設計上開始使用非球面透鏡以解決質量與成本的問題,也成為了替代菲涅耳透鏡的一顆新星,但非球面透鏡始終僅僅作為鏡片的選擇性配件作使用,降低了球面像差所帶來的影響後,非球面透鏡也尚未到最閃耀的時刻,直到面射型雷射的到來,平面排列陣列的非球面透鏡可以說是翻到了新的章節,同時,也成為了光學中閃耀的一顆星。
    隨著face ID的出現所帶來的熱潮使得非球面透鏡與面射型雷射(VESEL)成為了新一代光學領域的關注焦點,面射型雷射與平面排列陣列的模式非球面透鏡可以說是天衣無縫的組合,再隨著新一代智慧型手機的熱潮,各類型的小尺寸光學設計開始出現在市面上,但當我們開始考量到這些想法時就會發現,光學設計也需要大量的光學分析去了解設計的完整度與其有效程度,但也並不是全部的情況都適用於陣列形式開發的白光干涉儀等光學式輪廓檢測儀器,所以我們想要設計一款光學分析系統給特定非球面透鏡所使用的光學透鏡檢測系統,並希望可以以此作為一個開頭,為普及、便捷且便宜的光學透鏡檢測系統起拋磚引玉之效。

    Thanks to the development of Optic stimulation software, a lot of design of Optic system can get a calculated result and preparation. There are many ray-tracing technologies were deployed along with the age of personal computer, that makes aspherical lens show up with inspiring idea. Using aspherical lens on any design can achieve the lighter mass and low cost with better resolution comparing with Fresnel lens. As a selected part of camera, aspherical lens was an answer to the problem of spherical aberration, but still not hit the peak until Vertical-Cavity Surface-Emitting Laser(VCSEL) show up. With VCSEL beside, the story of aspherical go to the next page and become a shining star in Optics at meanwhile.
    Along with the craze bringing by face ID, aspherical lens and VCSEL were focused by everyone attend in Optics. VCSEL and aspherical lens in plane arrangement are meant for each other. Following the tide of the age of smartphone, many types of small size design of Optics springs up. When it comes to these new designs, Optics analysis become much more important for these designs to fully understand the integrity and availability, but not all the situation is plane arrangement which is fit most Optical profiler (ex. White Light Interferometer). Overall, we have a thought to design an Optic analysis system for specific aspherical lens with the feature of simple in operation and low in cost. Further, we hope this can be a start for common, simple and cheap Optic analysis system for lens.

    1. 緒論: 1.1 光學歷史簡介………………………………………………………………1 1.2 非球面透鏡在近代…………………………………………………………2 1.3 研究目的……………………………………………………………………4 2. 理論: 2.1 非球面透鏡…………………………………………………………………6 2.2 光學干涉……………………………………………………………………7 2.3 影像前處理…………………………………………………………………11 2.4 即時影像分析………………………………………………………………19 3. 實驗配置與步驟: 3.1 實驗配置……………………………………………………………………26 3.2 實驗步驟……………………………………………………………………47 4. 實驗結果與分析: 4.1 原始影像……………………………………………………………………49 4.2 影像前處理與遮蔽高亮度區域……………………………………………52 4.3 Canny邊緣檢測與HoughCircle 結果分析………………………………..57 4.4 整體與四象限平均光強度…………………………………………………61 4.5 外圍強度標準差……………………………………………………………63 5. 實驗結論與未來計畫: 5.1 實驗結論…………………………………………………………………….71 5.2 未來計畫…………………………………………………………………….72 6. 參考文獻…………………………………………………………………………74

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