| 准连续双包层光纤激光在周期性极化铌酸锂晶体中倍频产生59mW绿光 |
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| 引用本文： | 朱晓峥,周军,楼祺洪,董景星,魏运荣,陈险峰,夏宇兴,陈理军.准连续双包层光纤激光在周期性极化铌酸锂晶体中倍频产生59mW绿光[J].中国激光,2004,31(7):77-779. |
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| 作者姓名： | 朱晓峥 周军 楼祺洪 董景星 魏运荣 陈险峰 夏宇兴 陈理军 |
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| 作者单位： | 1. 中国科学院上海光学精密机械研究所,上海,201800
2. 上海交通大学应用物理系,上海,200030 |
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| 基金项目： | 国家自然科学基金，上海市科委资助项目，中国科学院知识创新工程项目 |
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| 摘 要： | 将周期性极化晶体和双包层光纤激光相结合获得绿光激光输出,是实现高光束质量、全固化、小型化、高效率绿光激光器的一个非常有前途的方向.采用周期性极化铌酸锂晶体(PPLN)光栅周期6.5 μm,长20 mm,宽5mm,厚0.5 mm,对种子光注入式掺Yb双包层光纤激光器的准连续输出进行了倍频.研究了倍频光功率和转换效率随抽运光功率的变化关系,保持PPLN的控制温度为193.1℃,在抽运功率为650 mW时,得到6.7%的最高谐波转换效率,在抽运功率为970 mW时,得到了59 mW的最高绿光功率输出.
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| 关 键 词： | 非线性光学 倍频 周期性极化铌酸锂晶体 双包层光纤激光 |
| 收稿时间： | 2003/4/21 |
59 mW Green Light Second Harmonic Generation of Quasi-CW Double-Cladding Fiber Laser in Periodically Poled Lithium Niobate |
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| ZHU Xiao-zheng,ZHOU Jun,LOU Qi-hong,DONG Jing-xing,WEI Yun-rong,CHEN Xian-feng,XIA Yu-xing,CHEN Li-jun.59 mW Green Light Second Harmonic Generation of Quasi-CW Double-Cladding Fiber Laser in Periodically Poled Lithium Niobate[J].Chinese Journal of Lasers,2004,31(7):77-779. |
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| Authors: | ZHU Xiao-zheng ZHOU Jun LOU Qi-hong DONG Jing-xing WEI Yun-rong CHEN Xian-feng XIA Yu-xing CHEN Li-jun |
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| Affiliation: | ZHU Xiao-zheng1,ZHOU Jun1,LOU Qi-hong1,DONG Jing-xing1,WEI Yun-rong1,CHEN Xian-feng2,XIA Yu-xing2,CHEN Li-jun2 1Shanghai Institute of Optics and Fine Mechanics,The Chinese Academy of Sciences,Shanghai 201800,China 2Department of Applied Physics,Shanghai Jiaotong University,Shanghai 200030,China |
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| Abstract: | The combination of the double-cladding fiber laser and the periodically poled material provides a compact and high efficiency approach for wavelength conversion with high beam quality. Green laser source is demonstrated using a combination of laser-diode-seeded Yb-doped double-cladding fiber laser and quasi-phase-matched second harmonic generation in periodically poled lithium niobate (PPLN). The uncoated 20-mm-long, 5-mm-wide, 0.5-mm-thick PPLN has 6.5 μm poling period and is temperature stabilized at 193.1℃. The 6.7% conversion efficiency and the 59 mW green light power are achieved with the pump fundamental average power of 650 mW and 970 mW, respectively. |
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| Keywords: | nonlinear optics frequency doubling periodically poled LiNbO 3 double-cladding fiber laser |
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