5 Hz, > 250 mJ optical parametric chirped-pulse amplifier at 1053 nm.
A 250 mJ, 5 Hz repetition rate optical parametric chirped-pulse amplifier with near-Fourier-transform-limited, 430 fs pulses and a beam that can be focused to near the diffraction limit is demonstrated. A pump laser with engineered spatial and temporal profiles allows an overall pump-to-signal conversion efficiency of 34% to be achieved.
Bagnoud
Vincent
V
Laboratory for Laser Energetics, University of Rochester, 250 East River Road, Rochester, New York 14623, USA. vbag@lle.rochester.edu
Begishev
Ildar A
IA
Guardalben
Mark J
MJ
Puth
Jason
J
Zuegel
Jonathan D
JD