title: Passive Q-switching laser performance of Yb:Gd3Ga5O12 garnet crystal.
abstract: We report on the passive Q-switching laser performance of the Yb:Gd3Ga5O12 garnet crystal. With a Cr4+:YAG crystal used as saturable absorber for passive Q-switching, an average output power of 5.31 W was produced at a pulse repetition rate of 62.5 kHz, the optical-to-optical and slope efficiencies being, respectively, 45% and 61%. Laser pulses of 140 μJ in energy and 5.8 ns in duration were also obtained at 22.2 kHz, with a corresponding peak power amounting to 24.1 kW.
authors.affiliation: College of Physics, Qingdao University, Qingdao, China.
authors.forename: Wenjuan
authors.initials: W
authors.lastname: Han
authors.forename: Hongying
authors.initials: H
authors.lastname: Yi
authors.forename: Qibiao
authors.initials: Q
authors.lastname: Dai
authors.forename: Kui
authors.initials: K
authors.lastname: Wu
authors.forename: Huaijin
authors.initials: H
authors.lastname: Zhang
authors.forename: Linhua
authors.initials: L
authors.lastname: Xia
authors.forename: Junhai
authors.initials: J
authors.lastname: Liu