Efficient 1645-nm Er:YAG laser
Optics Letters, Vol. 29, Issue 10, pp. 1075-1077 (2004)
http://dx.doi.org/10.1364/OL.29.001075
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Abstract
We report a resonantly fiber-laser-pumped Er:YAG laser operating at the eye-safe wavelength of 1645 nm, exhibiting 43% optical efficiency and 54% incident slope efficiency and emitting 7-W average power when repetitively Q switched at 10 kHz. To our knowledge, this is the best performance (conversion efficiency and average power) obtained from a bulk solid-state Q -switched erbium laser. At a 1.1-kHz pulse repetition frequency the laser produces 3.4-mJ pulses with a corresponding peak power of 162 kW. Frequency doubling to produce 822.5-nm, 4.7-kW pulses at 10 kHz was performed to demonstrate the laser’s utility.
© 2004 Optical Society of America
OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3500) Lasers and laser optics : Lasers, erbium
(140.3540) Lasers and laser optics : Lasers, Q-switched
(280.3400) Remote sensing and sensors : Laser range finder
Citation
York E. Young, Scott D. Setzler, Kevin J. Snell, Peter A. Budni, Thomas M. Pollak, and E. P. Chicklis, "Efficient 1645-nm Er:YAG laser," Opt. Lett. 29, 1075-1077 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-10-1075
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