Qiang Liu

Summary

Affiliation: Tsinghua University
Country: China

Publications

  1. doi request reprint 3-D display and transmission technologies for telemedicine applications: a review
    Qiang Liu
    Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania 15213, USA
    Telemed J E Health 14:184-94. 2008
  2. ncbi request reprint 103 W high beam quality green laser with an extra- cavity second harmonic generation
    Qiang Liu
    Department of Precision Instruments, Center for Photonics and Electronics, State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China
    Opt Express 16:14335-40. 2008
  3. doi request reprint High-power 266 nm ultraviolet generation in yttrium aluminum borate
    Qiang Liu
    State Key Laboratory of Tribology, Center for Photonics and Electronics, Department of Precision Instruments and Mechanology, Tsinghua University, Beijing 100084, China
    Opt Lett 36:2653-5. 2011
  4. ncbi request reprint 183 WTEM00 mode acoustic-optic Q-switched MOPA laser at 850 kHz
    Qiang Liu
    Department of Precision Instruments, State Key Laboratory of Tribology, Center for Photonics and Electronics, Tsinghua University, Beijing, China
    Opt Express 17:5636-44. 2009
  5. doi request reprint Dual-rod, 100 Hz, 388 mJ nanosecond Nd:YAG oscillator
    Qiang Liu
    Center for Photonics and Electronics, State Key Laboratory of Tribology, Department of Precision Instruments and Mechanology, Tsinghua University, Beijing, China
    Appl Opt 50:1186-9. 2011
  6. ncbi request reprint A 108 W, 500 kHz Q-switching Nd:YVO4 laser with the MOPA configuration
    Xingpeng Yan
    Center for Photonics and Electronics, State Key Laboratory of Tribology, Department of Precision Instruments, Tsinghua University, Beijing 100084, China
    Opt Express 16:3356-61. 2008
  7. doi request reprint Compact high-power, TEM(00) acousto-optics Q-switched Nd:YVO4 oscillator pumped at 888 nm
    Hailong Hong
    State Key Laboratory of Tribology, Center for Photonics and Electronics, Department of Precision Instruments, Tsinghua University, Beijing 100084, China
    Appl Opt 51:323-7. 2012
  8. doi request reprint High repetition rate dual-rod acousto-optics Q-switched composite Nd:YVO4 laser
    Xingpeng Yan
    State Key Laboratory of Tribology, Center for Photonics and Electronics, Department of Precision Instruments, Tsinghua University, Beijing, China
    Opt Express 17:21956-68. 2009
  9. doi request reprint Combined guiding effect in the end-pumped laser resonator
    Xingpeng Yan
    Center for Photonics and Electronics, State Key Laboratory of Tribology, Department of Precision Instruments, Tsinghua University, Beijing, China
    Opt Express 19:6883-902. 2011
  10. doi request reprint Symmetric TEM00 output from Q-switched quasi-concentric laser resonator with line-shaped end-pumping profile
    Xing Fu
    Center for Photonics and Electronics, State Key Laboratory of Tribology, Department of Precision Instruments and Mechanology, Tsinghua University, Beijing 100084, China
    Opt Express 18:21047-52. 2010

Collaborators

  • Xingpeng Yan
  • Ping Yan
  • Qi Wang
  • Mingui Sun
  • Mali Gong
  • Lei Huang
  • Hailong Hong
  • Xing Fu
  • Zilong Zhang
  • M L Gong
  • Xingkun Ma
  • Huan Liu
  • Jian Xu
  • Robert J Sclabassi
  • Renbin Peng
  • Yuntao Qiu
  • Haitao Zhang
  • Zhan Sui
  • H T Zhang
  • Dan Lu
  • Luis F Chaparro
  • Ronald Marchessault
  • Gusphyl Justin

Detail Information

Publications19

  1. doi request reprint 3-D display and transmission technologies for telemedicine applications: a review
    Qiang Liu
    Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania 15213, USA
    Telemed J E Health 14:184-94. 2008
    ..This work presents an overview of the state-of-the-art 3-D display devices and related 3-D image/video transmission technologies with the goal of enhancing their utilization in medical applications...
  2. ncbi request reprint 103 W high beam quality green laser with an extra- cavity second harmonic generation
    Qiang Liu
    Department of Precision Instruments, Center for Photonics and Electronics, State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China
    Opt Express 16:14335-40. 2008
    ..44 and M2y <1.23 in the orthogonal directions, corresponding to a peak power as high as 1.5 MW with the instability of pulse energy less than +/-4%. The optical frequency conversion efficiency from IR to green laser was up to 67%...
  3. doi request reprint High-power 266 nm ultraviolet generation in yttrium aluminum borate
    Qiang Liu
    State Key Laboratory of Tribology, Center for Photonics and Electronics, Department of Precision Instruments and Mechanology, Tsinghua University, Beijing 100084, China
    Opt Lett 36:2653-5. 2011
    ..3% from 532 to 266 nm. The experimental results show great potential for the application of using YAB as a nonlinear optical crystal to get high-power fourth harmonic generation...
  4. ncbi request reprint 183 WTEM00 mode acoustic-optic Q-switched MOPA laser at 850 kHz
    Qiang Liu
    Department of Precision Instruments, State Key Laboratory of Tribology, Center for Photonics and Electronics, Tsinghua University, Beijing, China
    Opt Express 17:5636-44. 2009
    ..28 and M2y = 1.21. In CW operation, 195 W TEM00 mode output was achieved corresponding to the total optical-optical efficiency of 44.7% and the absorbed pump power to output power efficiency of 53.3% respectively...
  5. doi request reprint Dual-rod, 100 Hz, 388 mJ nanosecond Nd:YAG oscillator
    Qiang Liu
    Center for Photonics and Electronics, State Key Laboratory of Tribology, Department of Precision Instruments and Mechanology, Tsinghua University, Beijing, China
    Appl Opt 50:1186-9. 2011
    ..In the experiment, output of as high as 388 mJ is obtained at 100 Hz with slope efficiency of 36%. The pulse width is 15 ns, and the beam quality factor is M(x)(2)=3.2, M(y)(2)=2.8...
  6. ncbi request reprint A 108 W, 500 kHz Q-switching Nd:YVO4 laser with the MOPA configuration
    Xingpeng Yan
    Center for Photonics and Electronics, State Key Laboratory of Tribology, Department of Precision Instruments, Tsinghua University, Beijing 100084, China
    Opt Express 16:3356-61. 2008
    ..2%. The pulse duration was 48 ns, with a stability of pulse peak value < 2.5%. The beam quality was better than two-times diffraction-limit (M(x)(2) = 1.99, M(y)(2) = 1.76)...
  7. doi request reprint Compact high-power, TEM(00) acousto-optics Q-switched Nd:YVO4 oscillator pumped at 888 nm
    Hailong Hong
    State Key Laboratory of Tribology, Center for Photonics and Electronics, Department of Precision Instruments, Tsinghua University, Beijing 100084, China
    Appl Opt 51:323-7. 2012
    ..30. Subsequently, based on the 42 W of fundamental wave with the beam quality better than 1.10, 29.5 W of 532 nm green laser and 18 W of 355 nm ultraviolet wave are achieved...
  8. doi request reprint High repetition rate dual-rod acousto-optics Q-switched composite Nd:YVO4 laser
    Xingpeng Yan
    State Key Laboratory of Tribology, Center for Photonics and Electronics, Department of Precision Instruments, Tsinghua University, Beijing, China
    Opt Express 17:21956-68. 2009
    ..5 ns to 80 ns. In CW operation, 78 W TEM00 mode and 93 W multi-mode output power was achieved with different cavity designs, corresponding to the optical-optical efficiency of 46.5% and 52.2% respectively...
  9. doi request reprint Combined guiding effect in the end-pumped laser resonator
    Xingpeng Yan
    Center for Photonics and Electronics, State Key Laboratory of Tribology, Department of Precision Instruments, Tsinghua University, Beijing, China
    Opt Express 19:6883-902. 2011
    ..The experimental- and theoretical- results show that our wave theory with the combined guiding mechanism dominates the transverse mode formation in high power end-pumped laser resonator...
  10. doi request reprint Symmetric TEM00 output from Q-switched quasi-concentric laser resonator with line-shaped end-pumping profile
    Xing Fu
    Center for Photonics and Electronics, State Key Laboratory of Tribology, Department of Precision Instruments and Mechanology, Tsinghua University, Beijing 100084, China
    Opt Express 18:21047-52. 2010
    ..1%. The laser output mode is symmetrized in two directions in terms of beam quality, waist radius, and waist position...
  11. doi request reprint Development of resonator analysis applied in hybrid slab laser with consideration of optical gain and thermal lens effect
    Xingkun Ma
    Center for Photonics and Electronics, Department of Precision Instruments, Tsinghua University, Beijing, China
    Appl Opt 52:4858-63. 2013
    ..As predicted in the analysis, the homogeneity of the pump light improved the beam quality. Numerical and experimental results of pump threshold and slope efficiency were also presented...
  12. doi request reprint Improvement and formation of UV-induced damage on LBO crystal surface during long-term high-power third-harmonic generation
    Hailong Hong
    State Key Laboratory of Tribology, Center for Photonics and Electronics, Department of Precision Instruments, Tsinghua University, Beijing 100084, China
    Opt Express 21:7285-93. 2013
    ..0~8.0 nm). The damage could be attributed to the consequence of thermal effects resulted from impurity absorptions. Simultaneously, it was verified that the impurities originated in part from the UV-induced deposition...
  13. doi request reprint Efficient corner-pumped Nd:YAG/YAG composite slab 1.1 µm laser
    Huan Liu
    State Key Laboratory of Tribology, Department of Precision Instruments and Mechanology, Tsinghua University, Beijing, China
    Opt Express 18:19603-11. 2010
    ..The experimental results show that a corner-pumping is a feasible scheme in the design of diode-pumped solid-state 1.1 µm lasers and their frequency-doubling to the yellow-green with low or medium output powers...
  14. doi request reprint Design of ultrahigh energy laser amplifier system with high storage energy extraction
    Mali Gong
    Center for Photonics and Electronics, State Key Laboratory of Tribology, Department of Precision Instruments and Mechanology, Tsinghua University, Beijing 100084, China
    Appl Opt 52:394-9. 2013
    ..3%...
  15. doi request reprint Beam quality improvement by joint compensation of amplitude and phase
    M L Gong
    State Key Laboratory of Tribology, Center for Photonics and Electronics, Department of Precision Instruments, Tsinghua University, Beijing, China
    Opt Lett 38:1101-3. 2013
    ..The laser beam is well compensated by our method; the beam quality factor of the laser is improved from 1.7 to 1.1...
  16. ncbi request reprint Efficient multi-folded Nd:YVO4 slab amplifier
    Mali Gong
    Center for Photonics and Electronics, State Key Laboratory of Tribology, Dept of Precision Instruments and Mechanology, Tsinghua University, Beijing 100084, China
    Opt Express 16:3349-55. 2008
    ..The 52 W seed at the PRF of 152 kHz was amplified to 101.75 W with the pump power of 92 W, and the corresponding extraction efficiency is 54.3%. And no remarkable deterioration of the beam quality was observed...
  17. doi request reprint 32.5 mJ and 4.6 ns 532 nm Q-switched Nd:YAG laser at 500 Hz
    Zilong Zhang
    Center for Photonics and Electronics, State Key Laboratory of Tribology, Department of Precision Instrument, Tsinghua University, Beijing, China
    Appl Opt 52:2735-8. 2013
    ..The peak power of the pulse was 12 MW. By frequency doubling with a LiB(3)O(5)(LBO) crystal, 32.5 mJ, 4.6 ns of 532 nm green light was achieved, corresponding to a peak power of 7 MW. The frequency conversion efficiency was 53.3%...
  18. ncbi request reprint Human perception based video preprocessing for telesurgery
    Jian Xu
    Laboratory for Computational Neuroscience, Department of Neurosurgery, University of Pittsburgh, PA 15260, USA
    Conf Proc IEEE Eng Med Biol Soc 2007:3086-9. 2007
    ..Our experimental result shows that, with the preprocessing technique, over half of the bandwidth can be reduced while there is no significant visual effect at the site of remote observer...
  19. ncbi request reprint Synthesizing multi-view video frames for coding patient monitoring video
    Renbin Peng
    Conf Proc IEEE Eng Med Biol Soc 1:5157-60. 2006
    ..The viability of the presented method was demonstrated by experimental results on patient monitoring video...