Abstract
Amplification of femtosecond pulses at based on noncollinear parametric chirped pulse amplification in a potassium titanyl arsenate (KTA) crystal with pumping at is reported. The pulses of an erbium fiber laser are parametrically amplified while synchronously pumped by an amplified mode-locked Nd:YLF laser. This amplifier has a saturated gain of with 30% conversion efficiency and has produced pulses with peak powers of up to . The system produced before compression and can be readily scaled to the multiwatt range with bandwidths to support sub- pulses.
© 2006 Optical Society of America
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