High-energy diode-pumped D2O-cooled multislab Yb:YAG and Yb:QX-glass lasers

We investigated the performance of multislab Yb:QX and Yb:YAG laser amplifiers using low absorption heavy-water (D2O) as coolant. We demonstrated a pulse energy of 1 J at a repetition rate of up to 10 Hz.