Results are reported for a pulsed laser employing yttrium-aluminum garnet in a nonstationary cavity. Kinetic synchronization of the axial modes occurs in such a laser when the rate of change of cavity length exceeds 2 cm/sec; the establishment of kinematic synchronization is examined. It is found that the ultrashort pulses arising in such a laser have parameters closely reproducible from burst to burst. The length of the ultrashort pulses and the shift in the center of the lasing spectrum are examined in relation to the rate of change of cavity length.
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