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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 24, Iss. 6 — Mar. 15, 1999
  • pp: 385–387

Diode-pumped 1-W continuous-wave Er:YAG 3-μm laser

Da-Wun Chen, Curt L. Fincher, Todd S. Rose, Frank L. Vernon, and Renny A. Fields  »View Author Affiliations


Optics Letters, Vol. 24, Issue 6, pp. 385-387 (1999)
http://dx.doi.org/10.1364/OL.24.000385


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Abstract

We have demonstrated 1.15 W of Gaussianlike (M<sup>2</sup> = 2) cw output at 2.94 μm from a diode laser end-pumped monolithic laser crystal composed of Er-doped yttrium aluminum garnet (YAG) bonded to undoped YAG. The laser was pumped with two polarization-coupled 2.5-W flared laser diodes that provided a 45-μm pump waist with a low N.A. (<0.04) . Output at 2.94 μm was generated with a 34% slope efficiency and a greater-than-unity quantum efficiency.

© 1999 Optical Society of America

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3460) Lasers and laser optics : Lasers
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3500) Lasers and laser optics : Lasers, erbium
(140.3580) Lasers and laser optics : Lasers, solid-state

Citation
Da-Wun Chen, Curt L. Fincher, Todd S. Rose, Frank L. Vernon, and Renny A. Fields, "Diode-pumped 1-W continuous-wave Er:YAG 3-μm laser," Opt. Lett. 24, 385-387 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-6-385

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