Applied Physics B

, Volume 85, Issue 4, pp 539–543 | Cite as

High power single-frequency continuous-wave Nd:YVO4 master-oscillator power amplifier

  • J.W. KimEmail author
  • M.J. Yarrow
  • W.A. Clarkson


We report a highly-efficient, high-power, single-frequency Nd:YVO4 master-oscillator power-amplifier with near-diffraction-limited output beam quality. A diode-pumped Nd:YVO4 ring laser incorporating a passive method for suppressing axial-mode-hopping was employed as the master-oscillator, and was amplified by a three-stage diode-end-pumped Nd:YVO4 amplifier, yielding 79 W of output with an extraction efficiency of 29%. The overall power gain was 15 dB for an input power from the master-oscillator of 2.4 W, and the M2 parameter was less than 1.5 at the maximum power. The prospects for a further increase of power and brightness via this approach are considered.


Pump Power Pump Beam Beam Quality Astigmatism Thermal Lens 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag 2006

Authors and Affiliations

  1. 1.Optoelectronics Research CentreUniversity of SouthamptonSouthamptonUK

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