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Yb3+-doped fiber amplifier for low repeat frequency pulse
Author(s): WU bo, YANG Ze-hou, HUANG Biao, ZHAO Xiao-jun, FAN Dong, ZHOU Ding-fu, HOU Tian-jin
Pages: 532-
534
Year: 2009
Issue:
5
Journal: Laser Technology
Keyword: 激光技术; 光纤放大器; 主振功率放大; 掺镱光纤;
Abstract: 为了研究低重复频率两级脉冲掺Yb3+光纤放大器,采用脉冲信号驱动的半导体激光器作为种子光源,产生重频100Hz、半峰全宽100ns、能量30nJ的矩形光脉冲.第1级放大采用单模掺Yb3+光纤放大器,双程放大方案有效地抑制了放大自发辐射,放大后的脉冲能量达到了8.2μJ.第2级放大采用纤芯直径15μm的双包层掺Yb3+光纤放大器,大功率多模半导体激光器连续抽运.结果在抽运功率为7.3W时,放大输出脉...
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