Abstract

We demonstrate a chirped-pulse Ti:sapphire laser oscillator with both Kerr-lens and semiconductor- saturable-absorber-mirror-assisted mode locking generating $1.1\mu \mathrm{J}$ pulses at $1\mathrm{MHz}$ pulse repetition rate. The pulses are coupled out of the laser cavity by means of an acousto-optical cavity dumper, have a spectral width that supports a Fourier limit of $74\mathrm{fs}$, and currently have a chirped-pulse duration of $5\mathrm{ps}$. After compressing the pulses, this laser will be an ideal tool for efficient high-harmonic generation directly from a laser oscillator.

© 2009 Optical Society of America

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