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20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
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Thin-disk Yb:KLu(WO(4))(2) laser with single-pass pumping.

Simon Rivier1, Xavier Mateos, Oscar Silvestre

  • 1Max-Born-Institute for Nonlinear Optics and Ultrafast Spectroscopy, Berlin, Germany.

Optics Letters
|April 3, 2008
PubMed
Summary

This study demonstrates a thin-disk laser using Ytterbium-doped Potassium Lugete Tungstate. The laser achieved 9 W continuous wave output power with 77% slope efficiency.

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Area of Science:

  • Laser physics
  • Materials science
  • Solid-state optics

Background:

  • Thin-disk lasers offer advantages in heat management and power scaling.
  • Ytterbium-doped materials are crucial for near-infrared laser applications.

Purpose of the Study:

  • To demonstrate single-pass pumping of a thin-disk laser utilizing Ytterbium-doped Potassium Lugete Tungstate.
  • To characterize the output power and efficiency of the developed thin-disk laser.

Main Methods:

  • Epitaxial growth of a 50-micrometer Yb:KLu(WO4)2 layer on a KLu(WO4)2 substrate.
  • Single-pass pumping configuration for the thin-disk laser setup.
  • Measurement of continuous wave output power and slope efficiency.

Main Results:

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  • Successful demonstration of single-pass pumping.
  • Achieved 9 W of continuous wave output power at approximately 1030 nm.
  • Recorded a high slope efficiency of 77%.

Conclusions:

  • The Yb-doped KLu(WO4)2 thin-disk laser is a viable and efficient laser source.
  • The demonstrated performance highlights the potential for high-power laser applications.