Abstract
Recently, there has been interest in the generation of high-peak-power femtosecond pulses for investigations of high-field interaction and atomic physics. The large gain bandwidth of Ti:sapphire (Ti:Al2O3), which permits the capability of ultrashort pulse generation and amplification, has led to its becoming an attractive solid-state laser material. We report on a development of a terawatt, all-solid state femtosecond Ti.:sap- phire laser system based on regenerative/multi-pass amplifiers and the technique of chirped pulse amplification. The laser system produced 1.5 TW peak power pulses in a 150 fs pulse duration operating at 10 Hz repetition rate centered at 790 nm. We also describe a tunable Ti:sapphire regenerative amplifier that is used to amplify femtosecond pulses over the wavelength range from 760 to 900 nm.
© 1993 Optical Society of America
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