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基于石墨烯可饱和吸收体的被动锁模、被动调Q掺镱光纤激光器
引用本文:刘江,吴思达,王科,曹镱,杨全红,王璞.基于石墨烯可饱和吸收体的被动锁模、被动调Q掺镱光纤激光器[J].中国激光,2011(8).
作者姓名:刘江  吴思达  王科  曹镱  杨全红  王璞
作者单位:北京工业大学激光工程研究院;天津大学化工学院;
基金项目:北京市自然科学基金重点项目(KZ2011100050011)资助课题
摘    要:报道了石墨烯材料作为可饱和吸收体的被动锁模、被动调Q掺镱全光纤激光器。采用环形腔结构,在抽运功率为1.2W时,有稳定的重复频率为1.04MHz的自锁模脉冲发生,平均输出功率为46mW;当抽运功率增加到2.3W时,平均输出功率为170mW,相应的单脉冲能量高达163nJ,脉冲宽度约为680ps。采用线形腔结构,实现了石墨烯被动调Q激光脉冲输出,其重复频率在140~257kHz可调,最窄激光脉冲宽度为70ns,最大平均功率为12mW,相应最大单脉冲能量为46nJ。

关 键 词:激光器  光纤激光器  高脉冲能量  石墨烯  锁模  被动调Q  

Passively Mode-Locked and Q-Switched Yb-Doped Fiber Lasers with Graphene-Based Saturable Absorber
Liu Jiang Wu Sida Wang Ke Cao Yi Yang Quanhong Wang Pu Institute of Laser Engineering,Beijing University of Technology,Beijing ,China School of Chemical Engineering , Technology,Tianjin University,Tianjin ,China.Passively Mode-Locked and Q-Switched Yb-Doped Fiber Lasers with Graphene-Based Saturable Absorber[J].Chinese Journal of Lasers,2011(8).
Authors:Liu Jiang Wu Sida Wang Ke Cao Yi Yang Quanhong Wang Pu Institute of Laser Engineering  Beijing University of Technology  Beijing  China School of Chemical Engineering  Technology  Tianjin University  Tianjin  China
Affiliation:Liu Jiang1 Wu Sida2 Wang Ke1 Cao Yi1 Yang Quanhong2 Wang Pu1 1Institute of Laser Engineering,Beijing University of Technology,Beijing 100124,China 2School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China
Abstract:A graphene-based passively mode-locked and passively Q-switched Yb-doped fiber laser is reported.Stable mode-locked pulse train occurres at about 1.2 W incident pump power and the pulse repetition rate is 1.04 MHz in a ring cavity configuration;increasing the incident pump power to 2.3 W,the pulse width is measured to be about 680 ps and the output power is 170 mW,which corresponds to single pulse energy of 163 nJ.Graphene-based passively Q-switched operation is also demonstrated with pulse width of 70 ns a...
Keywords:lasers  fiber lasers  high pulse energy  graphene  mode-locked  passively Q-switched  
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