Laser Physics

, Volume 21, Issue 3, pp 459–461 | Cite as

High efficient continuous wave operation of diode-double-passing-pumped Tm:YAP laser

  • Z. ZhangEmail author
  • N. J. Ruan
  • F. Zhou
  • Z. J. Liu
Solid State and Liquid Lasers


A high efficient continuous wave diode-pumped Tm:YAP laser at room temperature was presented in this paper. Tm:YAP crystal with doped concentration of 4 at % was c-cut and had a cross section of 3 × 3 mm2 and length of 5 mm. Using double-passing-pumped cavity structure, under the pump power was 25.5 W, the highest output power reached 8.5 W by use of 10% output coupling, corresponding to optical conversion efficiency was 33.3% and the slope efficiency was 44.5%. The laser wavelength was 1936 nm with FWHM of 4 nm.


Pump Power Laser Phys Slope Efficiency Double Passing Beam Quality Factor 
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Copyright information

© Pleiades Publishing, Ltd. 2011

Authors and Affiliations

  1. 1.Beijing Institute of Space Mechanic and ElectricityBeijingChina

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