博碩士論文 100232015 詳細資訊




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姓名 杜隆琦(Long-Chi,Du)  查詢紙本館藏   畢業系所 照明與顯示科技研究所
論文名稱 以PQ:PMMA製作體積布拉格光柵回饋半導體雷射以達成波長可調之窄波長雷射輸出
(Narrow Linewidth and Tunable Wavelength Tapered Amplifier Laser Using PQ:PMMA Bragg Grating as Cavity Mirror)
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摘要(中) 本論文以PQ感光物質摻雜於MMA溶液形成為感光高分子光學壓克力材料PQ:PMMA以及利用雙光束(532 nm)干涉系統在感光材料中寫下空間上週期性折射率變化,製作成穿透式體積布拉格光柵,並將穿透式PQ:PMMA體積布拉格光柵作為錐形半導體放大器(980 nm)外腔式反射鏡,成功窄化雷射輸出光譜半高全寬0.112 pm,以及在971.42 nm~993.26 nm (21.48 nm)範圍之內可調變輸出雷射波長,並且利用兩個PQ:PMMA體積布拉格光柵於錐形放大器作為外腔式反射鏡回饋錐形放大器輸出雙波長雷射。
摘要(英) In this thesis, PQ photosensitive material is doped in MMA solution and becomes a photosensitive polymer optical material (PQ:PMMA). Then, a two-beam interference (532 nm) system is used to produce spatial periodic refractive index changes in the photosensitive PQ:PMMA. Thus, a transmitting volume Bragg grating is then made. After that, a tapered amplifier laser (980 nm) uses the PQ:PMMA transmitting grating as a cavity mirror to narrow the laser output line width FWHM to 0.112 pm. The tapered amplifier laser has a tunable output wavelength between 971.42 nm and 993.26 nm (21.48 nm).
Finally, using two PQ:PMMA transmitting volume Bragg gratings as cavity mirrors to feedback the tapered amplifier laser (980 nm), simultaneous output of two wavelengths (979.42 nm and 986.23 nm) can be achieved.
關鍵字(中) ★ 半導體雷射
★ 體積布拉格光柵
關鍵字(英) ★ PQ:PMMA
★ VBG
論文目次 中文摘要 I
Abstract VI
致謝 VII
目錄 IX
圖表目錄 XI
第一章緒論 1
1.1前言 1
1.2研究動機 3
第二章 實驗原理 4
2.1體積布拉格光柵(volume Bragg grating, VBG) 4
2.1.1體積布拉格光柵結構與工作原理 4
2.1.2體積布拉格光柵光學性質 6
2.2感光高分子光學壓克力(PQ:PMMA) 8
2.3 Two-beam interference 15
2.4半導體雷射基本原理 17
2.4.1錐形半導體放大器介紹 19
2.4.2錐形半導體放大器輸出特性 21
第三章 感光光學壓克力(PQ:PMMA)體積布拉格光柵 23
3.1 PQ:PMMA備製流程 23
3.2 Two-beam interference架設 28
第四章 實驗架構與數據分析 33
4.1光學壓克力內部體積光柵空間分佈 33
4.2同調曝光光源相同強度不同曝光量之PQ:PMMA比較 39
4.3以PQ:PMMA VBG作為錐形放大器外腔式V形共振腔反射鏡達成雷射輸出 43
4.4可調式V形共振腔架設輸出波長 48
4.5光學壓克力體積布拉格光柵為錐形放大器外腔式雙V型共振腔輸出雙波長雷射 51
第五章 結論與未來展望 57
5.1結論 57
5.2未來展望 59
附錄一 錐形放大器輸出三波長雷射(增加的實驗) 60
第六章參考文獻 62
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[2] E. Hecht, OPTICS,4th. 2002. 101 p.
[3] G. B. Venus, A. Sevian, V. I. Smirnov, and L. B. Glebov, "High-brightness narrow-line laser diode source with volume Bragg-grating feedback," in Lasers and Applications in Science and Engineering, 2005, pp. 166-176.
[4] A. Yariv and P. Yeh, Optical waves in crystals vol. 10: Wiley, New York, 1984.
[5] 廖啟村, "以體積布拉格光柵作為雷射共振腔反射鏡之橫模行為研究," 2012.
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[12] O. Efimov, L. Glebov, and V. Smirnov, "High-frequency Bragg gratings in a photothermorefractive glass," Optics Letters, vol. 25, pp. 1693-1695, 2000.
[13] J. Mumbru, I. Solomatine, D. Psaltis, S. Huei Lin, K. Y. Hsu, W.-Z. Chen, et al., "Comparison of the recording dynamics of phenanthrenequinone-doped poly (methyl methacrylate) materials," Optics communications, vol. 194, pp. 103-108, 2001.
[14] T. Numai, Fundamentals of semiconductor lasers: Springer, 2004.
[15] http://gorgia.no-ip.com/phd/html/thesis/phd_html/node4.html.
[16] http://www.m2k-laser.de/products/TAL_e.htm.
[17] G. Lucas-Leclin, D. Paboeuf, P. Georges, J. Holm, P. Andersen, B. Sumpf, et al., "Wavelength stabilization of extended-cavity tapered lasers with volume Bragg gratings," Applied Physics B, vol. 91, pp. 493-498, 2008.
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指導教授 鍾德元(Te-Yuan,Chang) 審核日期 2014-8-29
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