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Conference Paper
Advanced Solid State Lasers
Boston, Massachusetts United States
January 31, 1999
Poster Session III (TuB)

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

Da-Wun Chen, Curt L. Fincher, Todd S. Rose, Frank L. Vernon, and Penny A. Fields


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We have demonstrated 1.15 W of Gaussianlike (M2 = 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.

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

D. Chen, C. L. Fincher, T. S. Rose, F. L. Vernon, and P. A. Fields, "Diode-pumped 1-W continuous-wave Er:YAG 3-µm laser," in Advanced Solid State Lasers, M. Fejer, H. Injeyan, and U. Keller, eds., Vol. 26 of OSA Trends in Optics and Photonics (Optical Society of America, 1999), paper TuB9.

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  1. D. -W. Chen, C. L. Fincher, T. S. Rose, F. L. Vernon, and R. A. Fields, "Diode-pumped 1-W continuous-waveErYAG 3-mm laser," Opt. Lett. 24, 385-387 (1999).

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