本論文發展出一套由條紋投影輪廓儀搭配內視鏡組成，適於體腔內部的微型量測系統，並且利用全像全像術製作的小型繞射元件，替代傳統條紋投影輪廓儀的透鏡組及設備元件，有效解決透鏡投影時所造成的像差及大幅縮小投影系統的體積。
本系統量測時所具有的特性為：
1. 非接觸、全域式量測，不會破壞待測物表面，可對動態物體進行即時量測。
2. 投影的條紋經過特殊編碼，具有唯一性，能修正相位展開時所造成的誤判。
3. 使用雙投影裝置，彌補單一方向投影時所產生的陰影。

This paper proposes a miniature gauging system for objects inside a body cavity using the projected fringe profilometry (PSPFP) combined with the endoscope. The fringe pattern is formed by launching a reading bean into a diffraction element . The diffraction element can avoid the influence of projected aberrations by lens and largely reduce the size of projected system.

This system has the following properrties:
1. It is a noon-contact, and full field measurement. Only one-shot measurement is needed. It is able to carry on the immediate gauging to the dynamic object.
2. Arrangement of the projected fringe is unique due to the procedure of specific coding. It is easy to revise the errors when undergo phase unwrapping.
3. The double projection scheme compensates the defects of one-shot measurements.

第一章 緒論 1
1-1 前言 1
1-2 歷史背景 2
1-3 研究動機與目標 3
第二章 條紋投影輪廓儀 6
2-1 簡介 6
2-2條紋投影輪廓儀的量測原理 7
2-2-1 光學三角量測法 8
2-2-2傅立葉轉換原理 13
2-2-3相位展開及其演算法 15
第三章 利用全像繞射元件搭設條紋投影輪廓儀 18
3-1 全像術簡介 18
3-2 全像術的基本原理 19
3-2-1物波的紀錄與重現 20
3-2-2同軸式與離軸式全像片 23
3-3光柵的條紋圖案 28
3-4全像繞射元件的製作 30
3-5利用繞射元件搭配內視鏡進行三維形貌量測 33
第四章 以內視鏡進行三維形貌量測實驗與結果 37
4-1 實驗設備 37
4-2 繞射元件的製作 39
4-2量測系統的架設 41
4-3 待測物3D形貌之量測 44
4-4 系統精確值 61
第五章 結論 65
參考文獻 67

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