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Based on the scheme of chirped pulse amplification, a Ti:sapphire laser facility with output power of 0.89 PW has been developed. The compressed pulse width of ~29.0 fs was achieved by minimizing the dispersion introduced by the optical components. The effective suppression of parasitic lasing ensured the high-gain amplification in large aperture amplifiers.
Two-cycle optical pulses with duration of 5 fs and energy of 0.7 mJ have been generated at 1 kHz by compressing the 38 fs output pulses directly from a CEP controlled Ti:sapphire laser system through cascade filament compression technique.
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