Abstract
We report a terawatt-Ti:sapphire-laser-pumped high-energy femtosecond optical parametric amplifier (OPA) with supercontinuum white-light injection. Signal pulses with a duration less than and energy up to are obtained with large-aperture crystals. This megajoule-class femtosecond OPA at presents a feasible alternative to optical parametric chirped-pulse amplification and is ready to be applied to petawatt lasers.
© 2006 Optical Society of America
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