Abstract
The optical parametric chirped pulse amplication (OPCPA) concept has been extended to the infrared range, providing a new approach, to our knowledge, to high-power femtosecond pulses in the range. This amplifier is based on pumping of bulk with broadband phase matching in a noncollinear geometry. The output pulse energy of was generated with of bandwidth by of pump energy from a , Nd:YLF amplified laser. Total gain of was achieved in three stages with 32% conversion of the pump energy in the final amplifier stage. Amplified pulses were compressed to with peak intensities of .
© 2007 Optical Society of America
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