The simultaneous Q-switching and mode locking (QML) regime provides the generation of relatively high peak power picosecond pulses train with energies of a few /spl mu/J each in a simple resonator. The acousto-optic cell playing a double role of Q-switch and mode locker was located near flat output coupler. The two folding mirrors were mounted on the translation stages for matching the resonance frequency of the cavity to the radio frequency of acousto-optic modulator. The QML pulses with envelope durations of 100-150 ns and 100% modulation depth were observed for wide range of pump powers and repetition rates. In the preliminary experiments up to 3 W of output average power, 100 /spl mu/J of the envelope energy, having approximately 5-8 mode locked pulses were achieved.
Acousto optically Q-switched and mode locked diode pumped Nd: YVO/sub 4/ laser
01.01.2005
608463 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Acousto Optically Q-Switched and Mode Locked Diode Pumped Nd:YVO~4 laser
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