Abstract
We have developed a large-aperture, flash-lamp-pumped Cr:LiSrAlF6 (Cr:LiSAF) amplifier for use in a femtosecond chirped-pulse amplifier system. Optimum design of the 19-mm-diameter amplifier results in a single-pass gain of 5 with good beam quality. This amplifier produces 1.05-J pulses after compression, with a width of 125 fs at a repetition rate of 0.05 Hz.
© 1995 Optical Society of America
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