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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/72589

    Title: 以PQ:PMMA製作反射式體積布拉格光柵回饋錐形半導體放大器之窄波長雷射輸出研究;Study on achieving narrowing linewidth laser output from tapered amplifier feedback with PQ:PMMA reflective volume Bragg grating.
    Authors: 陳傳文;Chen, Chuan-Wen
    Contributors: 光電科學與工程學系
    Keywords: 感光高分子壓克力;體積全像布拉格光柵;錐形半導體放大器;PQ:PMMA;VBG;tapered amplifier
    Date: 2016-10-12
    Issue Date: 2017-01-23 16:33:39 (UTC+8)
    Publisher: 國立中央大學
    Abstract: 本研究以自製感光高分子光學壓克力PQ:PMMA,利用532 nm綠光高同調長度雷射光以雙光束干涉的方法將體積布拉格光柵記錄於材料內,利用曝光時監控繞射效率的方法抓出最好的曝光參數,在以製作出來的PQ:PMMA VBG 回饋1060 nm錐形放大器,達成窄化雷射輸出光譜,利用V形外腔式共振腔架構,旋轉PQ:PMMA VBG達成可調式輸出雷射波長,利用線形外腔式共振腔架構將反射式PQ:PMMA VBG當作外腔式共振腔的其中一面反射鏡直接回饋錐形放大器,可以得到更高的雷射轉換效率,輸出高功率單縱模雷射。;Homemade phenanthrenequinone (PQ)-doped PMMA polymer (PQ:PMMA) volume Bragg gratings (VBGs) were manufactured by two beam interference configuration. By monitoring the diffraction efficiency of the VBG, a set of suitable exporsure parameters can be found.By using the VBGs and a tapered amplifier with gain spectrum centered at 1060 nm, a series of lasers were constructed with linear and V-shaped optical cavity configurations. The V-shaped cavity laser achieved single longitudinal mode output and 20 nm wavelength tunable range. The linear cavity laser achieved 600 mW single longitudinal mode output.
    Appears in Collections:[光電科學研究所] 博碩士論文

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