Abstract
A Q-switched Tm:fiber-laser-pumped laser is reported that has been optimized for high-energy pulses at low repetition rates. Operating at , a pulse energy of with pulse widths of at a wavelength of was achieved. The beam propagation factor () was measured to be at the maximum pump power, confirming fundamental transverse mode () operation. Starting the pump laser at maximum power, the pulse energies of each of the first 10 pulses are . This strong influence of crystal temperature on laser performance is discussed with the prospect for further improvement of the laser efficiency.
© 2010 Optical Society of America
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