| 30W连续波掺Yb^3＋光纤激光器的研制 |
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| 引用本文： | 宋志强,马良柱,常军,王昌,刘统玉.30W连续波掺Yb^3＋光纤激光器的研制[J].山东科学,2009,22(6):35-37,41. |
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| 作者姓名： | 宋志强 马良柱 常军 王昌 刘统玉 |
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| 作者单位： | 1. 山东省科学院激光研究所,山东济南,250014
2. 山东微感光电子有限公司,山东济南,250014 |
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| 基金项目： | 山东省科技发展计划项目 |
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| 摘 要： | 研制了一种连续输出掺Yb3＋双包层光纤激光器。采用7只8W半导体泵浦激光器（LD）,自行设计了串联式恒流源驱动电路,利用光纤合束器技术构成大功率泵浦光源。重点解决了双包层光纤的低损耗熔接问题,在20m吸收系数为0.8dB/m@915nm的掺Yb3＋光纤中获得了最高30.8W的输出功率,激光器斜率效率达76.8%,电光转换效率接近30%。
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| 关 键 词： | 光纤激光器 双包层光纤 光纤合束器 大模场光纤光栅 |
Development of a 30 W Continuous Wave Ytterbium-Doped Fiber Laser |
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| SONG Zhi-qiang,MA Liang-zhu,CHANG Jun,WANG Chang,LIU Tong-yu.Development of a 30 W Continuous Wave Ytterbium-Doped Fiber Laser[J].Shandong Science,2009,22(6):35-37,41. |
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| Authors: | SONG Zhi-qiang MA Liang-zhu CHANG Jun WANG Chang LIU Tong-yu |
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| Institution: | SONG Zhi-qiang, MA Liang-zhu , CHANG Jun , WANG Chang , LIU Tong-yu ( 1. Institute of Laser, Shandong Academy of Sciences, Jinan 250014, China ; 2. Shandong Micro-sensor Photonics Limited, Jinan 250014, China) |
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| Abstract: | We design a serial constant-current LD driving circuit with seven 8 W maximum output power LDs and a high-power pump source with a 7×1 fiber pump combiner.We solve the low-loss splicing problem of a double clad fiber. We also obtain the maximum output power of 30.8 W in a 20 m ytterbium-doped fiber with the Absorption coefficient of 0.8 dB/m@915 nm. The efficiency of the slope rate of the fiber laser reaches 76.8% and electro-optics conversion efficiency is nearly 30%. |
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| Keywords: | fiber laser double clad fiber fiber pump combiner large-mode-area fiber grating |
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