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2014) Watt-level Q-switched Nd:LuVO 4 laser based on a graphene oxide saturable absorber, Journal of Modern Optics, 61:3, 234-238,The demonstration is reported of a diode-pumped passively Q-switched Nd:LuVO 4 laser at 1064 nm using a transmission-type graphene oxide as the saturable absorber. The graphene oxide saturable absorber with a modulation depth of 10% was fabricated using a vertical evaporation method. With a pump of 11.5 W, a maximum output power of 1.353 W was obtained with 186-ns pulse duration and 336.7-kHz repetition rate, corresponding to a maximum pulse energy of 4 μJ per pulse.