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We report on single mode 1.06μm laser oscillation from a 882nm pumped NdAl3(BO3)4 stoichiometric crystal. When operating in continuous wave regime, laser slope efficiencies in excess of 50% have been obtained from a 250μm thick cavity. Additionally, stable single mode nanosecond (2ns) and subnanosecond (200ps) pulses have been generated by Q-switching the microchip cavity with semiconductor saturable absorbed mirrors. In this way peak powers in excess of 500W have been obtained while keeping single mode oscillation.
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Bovero et al. (2005) studied this question.
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