Tunable passively Q-switched ytterbium-doped fiber laser with mechanically exfoliated GaSe saturable absorber

查看全文 作　　者：[1]H.Ahmad;[1]S.N.Aidit;[1]S.I.Ooi;[1]Z.C.Tiu

机构地区：[1]Photonics Research Centre, University of Malaya

出　　处：《Chinese Optics Letters》索引2018年第16卷第2期,共5页

基　　金：the Ministry of Higher Education,MOHE,for funding this work under Grant LRGS(2015) NGOD/UM/KPT;the University of Malaya,UM,for funding this work under Grant RU 001–2017 摘　　要：A tunable passively Q-switched ytterbium-doped fiber laser using few-layer gallium selenide(GaSe) as a saturable absorber(SA) is demonstrated.The few-layer GaSe SA,which is fabricated by the mechanical exfoliation method,is able to generate a Q-switched fiber laser that has a maximum repetition rate of 92.6 kHz and a minimum pulsed width of 2.3 μs.The highest pulse energy exhibited by the generated pulse is 18.8 nJ with a signal to noise ratio of ~40 dB.The tunability of the proposed laser covers from 1042 to 1082 nm,giving a tuning range of 40 nm. 关键词：吸收器激光切换纤维极地机械饱和镱

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Tunable passively Q-switched ytterbium-doped fiber laser with mechanically exfoliated GaSe saturable absorber

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