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5 Hz, > 250 mJ optical parametric chirped-pulse amplifier at 1053 nm
Vincent Bagnoud1, Ildar A Begishev, Mark J Guardalben
1Laboratory for Laser Energetics, University of Rochester, 250 East River Road, Rochester, New York 14623, USA. vbag@lle.rochester.edu
Optics Letters
|August 12, 2005
Abstract:
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.
