A Single-Longitudinal-Mode Passively Q-Switched Nd：YVO4 Laser Using Black Phosphorus Saturable Absorber-中国期刊网

摘要 Ablackphosphorus（BP）saturableabsorber（SA）solutionwithdifferentconcentrations（1.0and0.5mg/ml）isfabricatedwiththeliquid-phaseexfoliationmethod.ByusingtheBP-SA,acompactdiode-pumpedpassivelyQ-switchedNd：YV04laserisdemonstrated.OnereflectingBragggratingsisusedastheoutputcouplerformodeselection.ByinsertingthoseBP-SAsolutionsinthelasercavity,themaximumsinglelongitudemode,Q-switchedoutputpowersof126mWat692.5kHzand149mWat630.3kHzareachievedatthepumppowerof8.0W,correspondingtothepulsedurationsof144nsand196ns,respectively.Moreover,longitudinal-modecharacteristicsofQ-switchedoutputlaserindifferentopticalcavitylengthsbasedontwo-kindBP-SAsolutionconcentrationsareinvestigated.OurresultsshowthatBP-SAcouldalsobedevelopedasaneffectiveSAfortheQ-switched,singlelongitudinalmodepulselaser.

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A Single-Longitudinal-Mode Passively Q-Switched Nd：YVO4 Laser Using Black Phosphorus Saturable Absorber

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A Single-Longitudinal-Mode Passively Q-Switched Nd：YVO4 Laser Using Black Phosphorus Saturable Absorber

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