雙丙烯酸酯(RM82)是一款具有光敏感特性的熱致型高分子液晶，在光的作用底下，單體間經過聚合反應，互相連結形成高分子聚合物。
過去實驗中，我們使用低功率的氦氖雷射引發全像干涉光場，形成具有周期性條紋的光柵，並紀錄於RM82薄膜上。進一步的，我們希望可以在薄膜上製作出可控制的任意條紋，但當在寫入第一個照射點時，於照射區週圍區域因自由基形成後會向四周擴散的現象，導致在照射點外形成我們不希望有的聚合區域。
因此，於本研究中探討以單光束氦氖雷射於RM82中作多點的寫入，藉由改變照射時間以及兩點照射距離，以達到控制聚合區域擴散的影響，而完整紀錄我們所設計的二維圖像。

Diacrylate (RM82) is a thermotropic polymer liquid crystal, which consists of photoactive mesogenic end groups. Inducing of light, RM82 formed polymers by polymerization reaction.
Low power He-Ne laser induced holographic optical field , forming a periodic grating and recording into RM82 film in previous study. Further, we hope to be able to produce the patterns which can be controlled in the film. Because of the diffusing phenomenon of Free-Radical, when we irradiated first area, the polymerization area which we undesired diffused out of the irradiated zone.
Therefore, we consider the study of a single beam of He-Ne laser in RM82 multi-point writing in this study, by changing the exposure time and the two irradiation distance in order to control the diffuse of the polymerization region , and writing a complete two-dimensional patterns into RM82.

致謝 i
摘要 ii
Abstract iii
目錄 iv
圖目錄 vi
表目錄 ix
第一章 緒論 1
1-1前言 1
1-2 實驗動機與目的 2
第二章 液晶簡介 3
2-1 液晶態 3
2-2 液晶物理 4
2-3 液晶的分類 10
2-4 高分子液晶 13
第三章 高分子聚合物簡介 17
3-1 聚合物 17
3-2 聚合反應 17
3-3 自由基聚合反應 18
第四章 雙光子吸收效應 21
4-1 雙光子吸收效應簡介 21
4-1 雙光子吸收原理 21
4-2 單光子吸收與雙光子吸收的差異性 22
4-3 雙光子吸收應用於微加工 23
第五章 高分子液晶樣品製備與系統架設 25
5-1 材料介紹 25
5-2 樣品制備 28
5-3 系統架設 30
5-4 溫度控制系統與偏光顯微鏡 31
第六章 使用單光束氦氖雷射對RM82產生聚合反應 34
6-1 熱因素對RM82的影響 34
6-2 單點照射引發RM82薄膜的聚合反應 36
6-3 不同偏振方向對RM82聚合反應的影響 39
6-4 多點照射RM82薄膜 41
6-5 RM82製造二維的圖形 42
第七章 結論 44
參考文獻 45

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