Effect of temporal profile of the laser pulse interacting with solid surface on the generation of high harmonics and attosecond pulse trains

jain, vineeta


The effect of temporal profile of an ultra-intense, ultrashort few-cycle laser pulse incident normally on a solid surface on harmonics generation (HHG) and attosecond pulse trains has numerically been studied. The results of transformation of initially narrow spectrum of the laser pulse into a broad harmonic spectrum are obtained. The reflected signal has the form of a train of ultrashort pulses of duration ~100 attoseconds for the case of a Ti:sapphire laser. The effect of collisions on electron dynamics has been taken into account.


laser plasma-mirror interaction; high harmonic generation; attosecond pulse generation

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