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研究生:林信嘉
研究生(外文):Hsin-chia Lin
論文名稱:雷射誘發液晶摻雜偶氮染料光致強度光柵之研究
論文名稱(外文):The Study of Laser-Induced Intensity Gratings in Azo-Dye Doped Liquid Crystals
指導教授:郭啟東
指導教授(外文):Chie-Tong Kuo
學位類別:碩士
校院名稱:國立中山大學
系所名稱:物理學系研究所
學門:自然科學學門
學類:物理學類
論文種類:學術論文
論文出版年:2004
畢業學年度:92
語文別:中文
論文頁數:90
中文關鍵詞:強度光柵全像光柵偶氮染料
外文關鍵詞:intensity gratingholographiic grating
相關次數:
  • 被引用被引用:0
  • 點閱點閱:125
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  • 下載下載:11
  • 收藏至我的研究室書目清單書目收藏:0
本論文採用雷射誘發全像光柵技術,藉由改變溫度來研究液晶摻雜偶氮染料樣品之動態強度光柵的形成機制。此實驗所使用的液晶材料的相態有近晶C相、近晶A相、向列相,我們將探討染料濃度、寫入光和探測光偏振方向在不同液晶相態中對一階繞射現象之影響。
The laser-induced holographic grating technique was employed to study the dynamic of the intensity grating formation in the azo-dye doped liquid crystals. The liquid crystal material in this study has several mesomorphic phases: smectic C, smectic A, and nematic. The first order of diffraction in the mesomorphic phases have been investigated by changing the concentration of dye, the polarizations of the writing beams and the probe beam
章節索引:
中英文摘要 1
第一章 簡介
1-1 前言 2
1-2 液晶簡介 2
1-3 液晶物理 13
1-4 Dye-Doped Liquid Crystals (DDLC)薄膜簡介 19
第二章 相關理論
2-1 雷射誘發光柵 23
2-2 全像光柵的分類和特性 24
2-3 全像光柵機制 29
2-4 DDLC中的非線性效應和光柵探討 30
第三章 實驗方法與過程
3-1 樣品的製備 39
3-2 實驗樣品的製作 40
3-3 實驗裝置 43
3-4 實驗方法 46
第四章 實驗結果與討論
4-1液晶摻雜偶氮染料樣品之水平配相檢測 48
4-2量測水平配向樣品一階繞射訊號強度與溫度、寫入光偏振、探測光偏振
之關係 56
4-3改變水平配向樣品濃度對一階繞射訊號之影響 65
4-4改變樣品配向對一階繞射訊號之影響 69
第五章 總結與未來展望
5-1 總結 75
5-2 未來展望 75
參考文獻 76
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