Abstract
We have demonstrated a Ti:sapphire/Nd:glass laser system that produces up to 51 J of energy in 395-fs pulses (125 TW). Focusing at to a 2.5-times diffraction-limited spot results in a peak irradiance greater than . Our 40-cm-diameter gold diffraction gratings have a damage threshold of 0.42 J/ for 320-fs pulses.
© 1997 Optical Society of America
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