Development of 1 J, 100 Hz Yb:YAG laser amplifier system for OPCPA pumping

We report on our progress in the development of a 1 J-class Yb:YAG laser system with a repetition rate of 100 Hz for OPCPA pumping. We have demonstrated amplification of 10 ns pulses to 1 J at 100 Hz by using a multi-TRAM.