Efficient mid-infrared laser using 1.9-µm-pumped Ho:YAG and ZnGeP2 optical parametric oscillators
JOSA B, Vol. 17, Issue 5, pp. 723-728 (2000)
http://dx.doi.org/10.1364/JOSAB.17.000723
Acrobat PDF (255 KB)
Abstract
We report >4.2-W mid-infrared (mid-IR) output (3.8 and 4.65 µm) and µ2.1 W at 3.5 µm in ZnGeP2 (ZGP) optical parametric oscillators (OPO) pumped by a holmium-doped yttrium aluminum garnet (Ho:YAG) laser, directly pumped by a diode-pumped 1.9-µm thulium-doped yttrium lithium fluoride (Tm:YLF) laser. Optical-to-optical efficiency achieved is >7.2% (laser diode to mid-IR). In addition, a Ho:YAG-pumped ZGP OPO operation is achieved over a Ho:YAG temperature range of 80 °C at the 8-W (Ho:YAG) and 3-W (ZGP OPO) power levels.
© 2000 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
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.5680) Lasers and laser optics : Rare earth and transition metal solid-state lasers
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
Citation
P. A. Budni, L. A. Pomeranz, M. L. Lemons, C. A. Miller, J. R. Mosto, and E. P. Chicklis, "Efficient mid-infrared laser using 1.9-µm-pumped Ho:YAG and ZnGeP2 optical parametric oscillators," J. Opt. Soc. Am. B 17, 723-728 (2000)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-17-5-723
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