Applied Physics B

, Volume 103, Issue 1, pp 83–88 | Cite as

A 200 W diode-side-pumped CW 2 μm Tm:YAG laser with water cooling at 8°C

  • D. Cao
  • Q. Peng
  • S. Du
  • J. Xu
  • Y. Guo
  • J. Yang
  • Y. Bo
  • J. Zhang
  • D. Cui
  • Z. Xu
Article

Abstract

A water-cooled 785 nm diode-side-pumped high-power CW Tm:YAG laser system at 2 μm is reported. 200 W output power is achieved with cooling water running at 8°C. As far as we know, this is the highest output power for a diode-pumped all solid-state 2 μm Tm:YAG laser. The output corresponds to optical-to-optical conversion efficiency of 11.2%, with a slope efficiency of about 22.8%. To make the system structure simple, only deionized water is used as the coolant instead of alcohol- or glycol-water mixture or the liquid nitrogen in the reported high-power Tm rod laser experiments, which were performed at low temperature near the freezing point of water, or even below.

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Copyright information

© Springer-Verlag 2010

Authors and Affiliations

  • D. Cao
    • 1
    • 2
  • Q. Peng
    • 1
  • S. Du
    • 1
  • J. Xu
    • 1
  • Y. Guo
    • 1
  • J. Yang
    • 1
    • 2
  • Y. Bo
    • 1
  • J. Zhang
    • 3
  • D. Cui
    • 1
  • Z. Xu
    • 1
  1. 1.RCLPT, Key Lab of Functional Crystal and Laser Technology, Technical Institute of Physics and ChemistryChinese Academy of SciencesBeijingChina
  2. 2.Graduate School of the Chinese Academy of SciencesBeijingChina
  3. 3.Department of PhysicsGeorgia Southern UniversityStatesboroUSA

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