Development of a highly stable Yb:YAG thin disk pulsed green laser for high power Ti:sapphire based amplifier at 100 kHz repetition rate

  • Imahoko T
  • Takasago K
  • Kamata M
 et al. 
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We have developed a pulsed Yb:YAG thin disk green laser for pumping
a 100 kHz and 10 W femtosecond laser. We optimized numerically and
experimentally the open duration of the acousto-optic (AO) Q-switcher
and the internal SHG method, generating stable output energy at a
100 kHz repetition rate. We demonstrated a 515 nm output power of
over 80 W with a pulse-to-pulse stability of less than 1% RMS with
an LD power to green power conversion efficiency of 24%. With the
developed green laser, we obtained 16 W of a Ti:sapphire laser in
a cavity dumped mode.

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  • T. Imahoko

  • K. Takasago

  • M. Kamata

  • J. Sakuma

  • T. Sumiyoshi

  • H. Sekita

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