Junhai Liu

Summary

Publications

  1. doi request reprint Efficient high-energy passively Q-switched Yb:GdCa4O(BO3)3 laser
    Junhai Liu
    College of Physics, Qingdao University, Qingdao, China
    Appl Opt 52:2676-81. 2013
  2. doi request reprint The potential of Yb:YCa4O(BO3)3 crystal in generating high-energy laser pulses
    Junhai Liu
    College of Physics, Qingdao University, Ning Xia Road 308, Qingdao 266071, China
    Opt Express 21:9365-76. 2013
  3. doi request reprint Highly efficient Q-switched laser operation of Yb:Y3Ga5O12 garnet crystal
    Junhai Liu
    College of Physics, Qingdao University, Ning Xia Road 308, Qingdao 266071, China
    Opt Express 21:2624-31. 2013
  4. doi request reprint Efficient laser operation of Yb:Lu3Ga5O12 garnet crystal
    Junhai Liu
    College of Physics, Qingdao University, 308 Ning Xia Road, Qingdao 266071, China
    Opt Lett 37:2388-90. 2012
  5. ncbi request reprint Laser oscillation of Yb:KLu(WO4)2 crystal polarized along the N(g) principal optical axis
    Junhai Liu
    College of Physics, Qingdao University, Ning Xia Road 308, Qingdao 266071, China
    Opt Express 16:4960-4. 2008
  6. ncbi request reprint Polarized laser oscillation of isotropic disordered Yb:Ca3(NbGa)(2-x)Ga3O12 crystal
    Junhai Liu
    College of Physics, Qingdao University, Ning Xia Road 308, Qingdao 266071, China
    Opt Express 16:12201-6. 2008
  7. doi request reprint Passive Q-switching laser performance of Yb:Gd3Ga5O12 garnet crystal
    Wenjuan Han
    College of Physics, Qingdao University, Qingdao, China
    Appl Opt 52:4329-33. 2013
  8. ncbi request reprint Improvement in continuous-wave laser performance of disordered Yb:CNGG crystal
    Zhichao Zhou
    College of Physics, Qingdao University, Qingdao, China
    Appl Opt 51:4042-6. 2012

Collaborators

  • Huaijin Zhang
  • Wenjuan Han
  • Qibiao Dai
  • Zhichao Zhou
  • Kui Wu
  • Hongying Yi
  • Linhua Xia
  • Xueping Tian
  • Jiayin Huang

Detail Information

Publications8

  1. doi request reprint Efficient high-energy passively Q-switched Yb:GdCa4O(BO3)3 laser
    Junhai Liu
    College of Physics, Qingdao University, Qingdao, China
    Appl Opt 52:2676-81. 2013
    ..5 kHz when the pump power absorbed is 7.7 W, with a slope efficiency determined to be 40%. The laser pulse generated is 10.0 ns in duration, with pulse energy as high as 420 μJ and peak power amounting to 42 kW...
  2. doi request reprint The potential of Yb:YCa4O(BO3)3 crystal in generating high-energy laser pulses
    Junhai Liu
    College of Physics, Qingdao University, Ning Xia Road 308, Qingdao 266071, China
    Opt Express 21:9365-76. 2013
    ..3 ns in duration, with the energy being as high as 476 μJ and the peak power amounting to 51.2 kW. The results demonstrated in this work reveal the great potential of this crystal in developing high-energy compact pulsed lasers...
  3. doi request reprint Highly efficient Q-switched laser operation of Yb:Y3Ga5O12 garnet crystal
    Junhai Liu
    College of Physics, Qingdao University, Ning Xia Road 308, Qingdao 266071, China
    Opt Express 21:2624-31. 2013
    ..0%, with an output power measured to be 2.56 W, the resulting pulse energy, duration, and peak power being 140.8 μJ, 5.9 ns, and 23.9 kW, respectively...
  4. doi request reprint Efficient laser operation of Yb:Lu3Ga5O12 garnet crystal
    Junhai Liu
    College of Physics, Qingdao University, 308 Ning Xia Road, Qingdao 266071, China
    Opt Lett 37:2388-90. 2012
    ..Laser pulses of 26 ns duration are generated with a pulse energy of 91 μJ and peak power of 3.5 kW...
  5. ncbi request reprint Laser oscillation of Yb:KLu(WO4)2 crystal polarized along the N(g) principal optical axis
    Junhai Liu
    College of Physics, Qingdao University, Ning Xia Road 308, Qingdao 266071, China
    Opt Express 16:4960-4. 2008
    ..A continuous-wave output power of 0.55 W was obtained at 1044 nm for an absorbed pump power of 1.44 W, leading to optical-to-optical and slope efficiencies of 38% and 52%, respectively...
  6. ncbi request reprint Polarized laser oscillation of isotropic disordered Yb:Ca3(NbGa)(2-x)Ga3O12 crystal
    Junhai Liu
    College of Physics, Qingdao University, Ning Xia Road 308, Qingdao 266071, China
    Opt Express 16:12201-6. 2008
    ..35 W at a pulse repetition frequency of 16.7 kHz, with a slope efficiency of 37%; the laser pulse energy, duration, and peak power amount to 81 microJ, 25 ns, and 3.24 kW, respectively...
  7. doi request reprint Passive Q-switching laser performance of Yb:Gd3Ga5O12 garnet crystal
    Wenjuan Han
    College of Physics, Qingdao University, Qingdao, China
    Appl Opt 52:4329-33. 2013
    ..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...
  8. ncbi request reprint Improvement in continuous-wave laser performance of disordered Yb:CNGG crystal
    Zhichao Zhou
    College of Physics, Qingdao University, Qingdao, China
    Appl Opt 51:4042-6. 2012
    ..5 mm thick crystal end pumped by a diode laser, generating an output power of 5.15 W with an optical-to-optical efficiency of 46%, whereas the slope efficiency amounts to 80%...