50-mJ, Q-switched, 2.09- μm holmium laser resonantly pumped by a diode-pumped 1.9- μm thulium laser
Optics Letters, Vol. 28, Issue 12, pp. 1016-1018 (2003)
http://dx.doi.org/10.1364/OL.28.001016
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Abstract
We report >50-mJ Q-switched energy output from a 2.09 μm Ho:YAG oscillator, resonantly pumped at 1.9 μm by a diode-pumped Tm:YLF laser. We demonstrate a Q-switched-to-normal-mode extraction efficiency of 100% at an output energy of 30 mJ and over 64% at the 50-mJ output level. Operating at 50 mJ (60 Hz) of output, a pulse width of 14 ns is achieved from the holmium oscillator, which corresponds to ~3.6 MW of peak power. At the 50-mJ output level, a beam-propagation factor M2 ~ 1.2 is achieved.
© 2003 Optical Society of America
[Optical Society of America ]
OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.5680) Lasers and laser optics : Rare earth and transition metal solid-state lasers
Citation
P. A. Budni, C. R. Ibach, S. D. Setzler, E. J. Gustafson, R. T. Castro, and E. P. Chicklis, "50-mJ, Q-switched, 2.09- μm holmium laser resonantly pumped by a diode-pumped 1.9- μm thulium laser," Opt. Lett. 28, 1016-1018 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-12-1016
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