Graphene Q-switched 0.9-μm Nd:La0.11Y0.89VO4 laser
2014
Graphene saturable absorber(SA) is used as the passive Q-switcher of a 0.9-μm solid-state laser.When the laser medium is a Nd:La0.11Y0.89VO4 crystal,the initial transmittance of the graphene SA is 78%;at an absorbed pump power of 7.62 W,the maximum average output power,largest pulse energy,and minimum pulse width are 0.62 W,2.58μJ,and 84 ns,respectively.This study shows that graphene is a promising and cost-saving SA for 0.9-μm pulse generation.
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