跳到主要內容

簡易檢索 / 詳目顯示

研究生: 盧俊宇
chun-yu lu
論文名稱: 自發式相位共軛鏡之相位穩定與應用於自由空間光通訊之研究
自發式相位共軛鏡之相位穩定與應用於自由空間光通訊之研究
指導教授: 孫慶成
Ching-cherng Sun
口試委員:
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 Optics and Photonics
畢業學年度: 90
語文別: 中文
論文頁數: 69
中文關鍵詞: 自由空間光通訊相位共軛光
外文關鍵詞: free space communication, phase conjugattion
相關次數: 點閱:9下載:0
分享至:
查詢本校圖書館目錄 查詢臺灣博碩士論文知識加值系統 勘誤回報
  • 論文摘要
    自由空間光通訊擁有光纖通訊與微波通訊的優點,但是因為大氣的擾動使通訊品質受到影響,所以我們提出利用相位共軛光可以補償相位扭曲的特性,來提升通訊的品質,但是在實驗中我們發現由貓式相位共軛鏡所產生的相位共軛光之相位在空間與時間具有不穩定的特性,因此我們著手研究造成相位共軛光的相位在空間與時間不穩定的機制。
    我們首先利用干涉儀來量測晶體內溫度的改變。之後我們探討不同的入射光強對於晶體折射率的影響,並以此推論相位共軛光的相位在空間與時間不穩定的原因,並且提出使其相位穩定的方法。最後我們研究了相位共軛光在經由相位扭曲的介質後,其在自由空間之通訊的特色並探討其可行性。


    目錄 目錄 I 圖索引 Ⅲ 表索引 Ⅵ 第一章 緒論 1-1 研究動機 1 1-2 論文內容的安排 3 第二章 光折變理論與效應 2-1 光折變效應 4 2-2 二波混和 13 2-3 光扇效應 18 2-4 四波混和 21 第三章 相位共軛鏡 3-1 相位共軛光 26 3-2 貓式自泵激相位共軛鏡 30 3-3 小貓式自泵激相位共軛鏡 32 第四章 相位共軛鏡之相位穩定 4-1 空間上相位穩定 33 4-2 時間上相位穩定 36 4-2-1 入射光強與折射率的關係 36 4-2-2 實驗結果 43 4-2-3 時間上相位不穩定的推論 48 4-2-4 實驗結果 51 第五章 自由空間光通訊 5-1 實驗架構 58 5-2 實驗結果 62 第六章 結論 63 參考文獻 64 中英文對照表 67


    [1]. A. Ashkin, G. D. Boyd, J. M. Dziedzic, R. G. Smith, A. A. Bullman, J. J. Lecinstein and K. Nassau, “ Optical-induced refractive index inhomogeneity in LiNbO3 and LiTaO3 ”, Appl. Phys. Lett. 9, 72 (1966).
    [2]. F. S. Chen, J. T. LaMacchia, and D. B. Fraser, “ Holographic storage in lithium niobate ”, Appl. Phys. Lett. 13, 223 (1968).
    [3]. F. S. Chen, “ Optical induced change of refractive indices in LiNbO3 and LiTaO3 ”, J. Appl. Phys. Lett. 44, 948 (1984).
    [4]. L. Young. W. K. Wing, M. L. W. Thewait and W. D. Crnish, “ Theory of formation of phase holograms in lithium niobate ”, Appl. Phys. Lett. 24, 264 (1974).
    [5]. G. A. Alphonse, R. C. Alig, O. L. Staebler and W. Phillips, “ Time dependent characteristics of photo-induced space charge field and phase holograms in lithium niobate and other photorefractive materials ”, RCA Review 36, 213 (1975).
    [6]. D. VonderLinde and A. M. Glass, “ Photorefractive effects for reversible holographic storage of information ”, J. Appl. Phys. 8, 85 (1975).
    [7]. D. M. Kim, R. R. Shah, T. A. Rabsonand and F. K. Tittel, “ Nonlinear dynamic theory for photorefractive phase hologram formation ”, Appl. Phys. Lett. 28, 388 (1976).
    [8]. N. V. Kukhtarev, V. B. Markov, S. G. Odulov, M. S. Soskin and V. L. Vinetskii, “ Holographic storage in electro-optic crystals. I. Steady state ”, Ferroelectrics 22, 949 (1979).
    [9]. J. Feinberg, D. Heiman, A. R. Tanguay and R. W. Hellwarth, “ Photorefractive effects and light-induced charge migration in barium titanate ”, J. Appl. Phys. 51, 1297 (1980).
    [10]. Pochi Yeh, ” Two-wave mixing in nonlinear media “, IEEE J. Quantum Electron. 25, 484 (1989).
    [11]. Y. Fainmain, E. Klancnik and Sing H. Lee,” Optimal coherent image amplification by two-wave coupling in photorefractive BaTiO3 “, Opt. Eng. 25, 228 (1986).
    [12]. Pochi Yeh, “ Introduction to photorefractive Nonlinear Optics “, New York, John Wiley & Son, P.118-P.134 (1993).
    [13]. H. Kogelnik, “ Coupled wave theory for thick hologram gratings “, Bell. Syst. Tech. J. 48, 2909 (1969).
    [14]. A. Yariv and Pochi Yeh, “ Optical Waves in Crystals “, New York, John Wiley & Son, P.177-P.194 (1984).
    [15]. K. R. MacDonald and J. Feinberg, “ Theory of a self-pumped phase conjugator with two coupled interaction region ”, J. Opt. Soc. Am. 73, 548 (1983).
    [16]. J. Feinberg, “ Self-pumped, continuous-wave phase conjugator using internal reflection ”, Opt. Lett. 7, 486 (1982).
    [17]. J. E. Ford, Y. Fainman and S. H. Lee,” Enhanced photorefractive performance from 45 degree-cut BaTiO3 “, Appl. Opt. 28, 4808 (1989).
    [18]. M. Conon-Golomb, J. O. White, B. Fischer, and A. Yariv, “ Exact solution of a nonlinear model of four-wave mixing and phase conjugation “, Opt. Lett. 7, 313 (1982).
    [19]. M. Conon-Golomb, B. Fischer, J. O. White, and A. Yariv, “ Theory and applications of four-waving mixing in photorefractive media “, IEEE J. Quantum Electron. QE-20, 12 (1984).
    [20]. A. Bledowski and W. Krolikowski, “ Exact solution of degenerate four-wave mixing in photorefractive media “, Opt. Lett. 13, 146 (1988).
    [21]. Pochi Yeh, “ Introduction to photorefractive Nonlinear Optics “, New York, John Wiley & Son, P.150-P.164 (1993).
    [22]. J. White, M. Cronin-Golomb, B. Fischer and A. Yariv, “ Coherent oscillation by self-induced gratings in the photorefractive crystal BaTiO3 “, Appl. Phys. Lett. 40, 450 (1982).
    [23]. J. Feinberg, “ Self-pumped, continuous-wave phase conjugator using internal reflection “, Opt. Lett. 7, 486 (1982).
    [24]. J. Feinberg, “ Continuous-wave self-pumped phase conjugator with wide field of view “, Opt. Lett. 8, 480 (1983).
    [25]. C. C. Sun, R. H. Tsou, W. Shen, H. H. Chang, J. Y. Chang, and M. W. Chang, “ Shearing interferometer with a kitty self-pumped phase-conjugator mirror “, Appl. Opt. 35, 1815 (1996).
    [26]. D. W. Rush, B. M. Dugan, and G. L. Burdge, “ Temperature -dependent index-of-refraction changes in BaTiO3 “, Opt. Lett. 16, 1295, (1991).
    [27]. S. H. Wemple, M. DiDomenico, Jr., and I. Calibel, J. Phys. Chem. Solids 29, 1797 (1968).

    QR CODE
    :::