| 1550nm单频脉冲光纤激光放大器实验研究 |
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| 引用本文： | 何幸锴,侯辉,冯力天,伍波,沈琪浩,侯天晋,兰戈,周鼎富.1550nm单频脉冲光纤激光放大器实验研究[J].激光技术,2011,35(2):145-147,151. |
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| 作者姓名： | 何幸锴 侯辉 冯力天 伍波 沈琪浩 侯天晋 兰戈 周鼎富 |
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| 作者单位： | 1.西南技术物理研究所, 成都, 610041; |
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| 摘 要： | 为了满足相干探测技术对激光光源的需求,采用主振功率放大技术,对全光纤、高重复频率、1550nm单频脉冲光纤激光器进行了研究.得到了脉冲宽度400ns、重复频率10kHz、单脉冲能量14μJ、平均功率148mW的单模光纤激光脉冲输出.实验中还发现了光纤中过高的功率密度所引起的受激布里渊散射(SBS)将导致激光脉冲波形的变...
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| 关 键 词： | 激光技术 光纤激光放大器 主振功率放大 单频 受激布里渊散射 |
| 收稿时间： | 2010-07-13 |
Experimental study of 1550 nm single frequency pulsed fiber laser amplifiers |
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| HE Xing-kai,HOU Hui,FENG Li-tian,WU Bo,SHEN Qi-hao,HOU Tian-jin,LAN Ge,ZHOU Ding-fu.Experimental study of 1550 nm single frequency pulsed fiber laser amplifiers[J].Laser Technology,2011,35(2):145-147,151. |
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| Authors: | HE Xing-kai HOU Hui FENG Li-tian WU Bo SHEN Qi-hao HOU Tian-jin LAN Ge ZHOU Ding-fu |
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| Abstract: | In order to meet the requirements of coherent detection,a high power,single frequency,1550nm pulsed fiber laser was studied based on all-fiber master oscillator power amplifier technique.A single mode pulsed laser was obtained with 400ns pulse duration,10kHz pulse repetition rate,148mW average power and 14μJ pulse energy.It was also found that the pulse shape was destroyed by the stimulated Brillouin scattering(SBS)resulting from the higher power density in the fiber.Then a way was put forward to suppress the SBS effect.The experimental results show that the SBS must be suppressed in order to improve the power. |
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