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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 37, Iss. 17 — Sep. 1, 2012
  • pp: 3732–3734

High-energy directly diode-pumped Q-switched 1617 nm Er:YAG laser at room temperature

Mingjian Wang, Liang Zhu, Weibiao Chen, and Dianyuan Fan  »View Author Affiliations


Optics Letters, Vol. 37, Issue 17, pp. 3732-3734 (2012)
http://dx.doi.org/10.1364/OL.37.003732


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Abstract

We describe high-energy Erbium-doped yttrium aluminum garnet (Er:YAG) lasers operating at 1617 nm, resonantly pumped using 1532 nm fiber-coupled laser diodes. A maximum continuous wave output power of 4.3 W at 1617 nm was achieved with an output coupler of 20% transmission under incident pump power of 29.7 W, resulting in an optical conversion of 14% with respect to the incident pump power. In Q-switched operation, the pulse energy of 11.8 mJ at 100 Hz pulse repetition frequency and 81 ns pulse duration was obtained. This energy is the highest pulse energy reported for a directly diode-pumped Q-switched Er:YAG laser operating at 1617 nm.

© 2012 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3500) Lasers and laser optics : Lasers, erbium
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3580) Lasers and laser optics : Lasers, solid-state

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: May 30, 2012
Revised Manuscript: July 31, 2012
Manuscript Accepted: July 31, 2012
Published: August 31, 2012

Citation
Mingjian Wang, Liang Zhu, Weibiao Chen, and Dianyuan Fan, "High-energy directly diode-pumped Q-switched 1617 nm Er:YAG laser at room temperature," Opt. Lett. 37, 3732-3734 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-17-3732


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