Abstract
We describe the design and operation of a diode-pumped compact and efficient Nd:YAB laser operating at 1338 nm. We use a passive Q-switch V:YAG crystal to achieve 1 mJ Q-switched pulses at the laser output. The laser elaborated provides an average power of 1.5 W in the CW regime and 1 W in Qswitched mode with an optical efficiency of 15 and 10%, respectively. A 65 mm plano-concave cavity is formed with an output in the TEM00 mode. At a pulse width of 15 ns, the achieved peak power is 66 kW.
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