Fig. 1. Schematic of experimental setup. (a) Output spectrum of laser oscillator; (b)output pulse auto-correlation curves of oscillator after dechirp; (c) far-field beam profile of the pulse output from amplifier

Fig. 2. Dispersion curves. (a) Normal stretcher; (b) hybrid stretcher

Fig. 3. (a) Spectra of output pulse after amplification; (b) pulse auto-correlation curves after compression

Fig. 4. (a) Net third-order dispersion of different stretchers and grating-pair compressors; (b) pulse auto-correlation curves of different grating-pair compressor and hybrid stretcher