Passively mode-locked diode-pumped Nd:YVO4 oscillator operating at ultra-low repetition rate

Dimitris N. Papadopoulos 1 Sébastien Forget 1 Martin Delaigue 1 Frédéric Druon 1 François Balembois 1 Patrick Georges 1
1 Laboratoire Charles Fabry de l'Institut d'Optique / Elsa
LCFIO - Laboratoire Charles Fabry de l'Institut d'Optique
Abstract : We demonstrate the operation of an ultralow-repetition-rate, high-peak-power, picosecond diode-pumped Nd:YVO4 passively mode-locked laser oscillator. Repetition rates lower than 1 MHz were achieved with the use of a new design for a multiple-pass cavity and a semiconductor saturable absorber. Long-term stable operation at 1.2 MHz with a pulse duration of 16.3 ps and an average output power of 470 mW, corresponding to 24-kW peak-power pulses, is reported. These are to our knowledge the lowest-repetition-rate high-peak-power pulses ever generated directly from a picosecond laser resonator without cavity dumping
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Dimitris N. Papadopoulos, Sébastien Forget, Martin Delaigue, Frédéric Druon, François Balembois, et al.. Passively mode-locked diode-pumped Nd:YVO4 oscillator operating at ultra-low repetition rate. Optics Letters, Optical Society of America, 2003, 28 (19), pp.1838-1840. ⟨hal-00686988⟩

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