Abstract
In this paper, the output performances at 1.34 μm in continuous wave operation and passive Q-switching regime of a diode-end-pumped Nd:Gd 0.5Y 0.5VO 4 laser have been investigated. The passive Q-switching regime was achieved with Co 2+:LaMgAl 11O 19 (Co 2+:LMA) saturable absorbers crystals. A maximum average output power of 230 mW was recorded with a Co 2+:LMA with initial transmission of 81%. The minimum pulse duration was 116 ns, which corresponded to a repetition rate of 360 kHz, the single pulse energy of 2.1 μJ and the pulse peak power of 5.5 W.
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