Fig. 1. Schematic of experimental setup for PLKM spectrum broadening and subsequent pulse compression and parameter characterization of Ti∶sapphire femtosecond laser pulses. (a) Experimental setup for PLKM spectrum broadening and pulse compression; (b) Ti∶sapphire femtosecond laser spectrum; (c) reconstructed envelope (solid line) and phase (dashed line) of Ti∶sapphire femtosecond laser pulse

Fig. 2. Measured laser parameters of output laser pulse by PLKM under different L. (a) Output laser spectra; (b) output laser spots;

Fig. 3. Measured laser parameters of output laser pulse by PLKM under different input laser pulse energies. (a) Output laser spectra; (b) output laser spots; (c) output laser pulse width

Fig. 4. Reconstructed envelope (solid line) and phase (dashed line) of compressed laser pulse