Abstract

The periodic variation of femtosecond pulse characteristics within a mode-locked Ti: sapphire laser is investigated. By measurement of the output pulse characteristics at the dispersive and the nondispersive ends of a femtosecond Kerr-lens mode-locked laser cavity, it has been demonstrated that both the laser bandwidth and the pulse duration are functions of position within the laser cavity. A qualitative argument is also presented that predicts near-bandwidth-limited pulses at the cavity extremes, and this prediction is confirmed by experiment.

© 1993 Optical Society of America

Operation of a femtosecond Ti:sapphire solitary laser in the vicinity of zero group-delay dispersion

P. F. Curley, Ch. Spielmann, T. Brabec, F. Krausz, E. Wintner, and A. J. Schmidt
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Limits of pulse shortening in solitary lasers

T. Brabec, Ch. Spielmann, and F. Krausz
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J. Opt. Soc. Am. B 12(3) 486-496 (1995)