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Optics Letters

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  • Vol. 27, Iss. 20 — Oct. 15, 2002
  • pp: 1791–1793

100-W quasi-continuous-wave diode radially pumped microchip composite Yb:YAG laser

T. Dascalu, T. Taira, and N. Pavel  »View Author Affiliations


Optics Letters, Vol. 27, Issue 20, pp. 1791-1793 (2002)
http://dx.doi.org/10.1364/OL.27.001791


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Abstract

A diode radially pumped microchip Yb:YAG laser that consists of an Yb-doped core surrounded by undoped YAG of a slab shape is presented. Quasi-continuous-wave pumping of a 10-at. % Yb-doped core of 2 mm×2 mm square shape with pulses of 5-Hz repetition rate and 2.5% duty cycle delivers 66-W output peak power at 220-W input pump power with 0.49 slope efficiency. The best results, 112-W peak power with 0.63 slope efficiency and 0.38 optical-to-optical efficiency, were obtained with a 1.2 mm×1.2 mm square 15-at. % at Yb:YAG core.

© 2002 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.5560) Lasers and laser optics : Pumping
(140.5680) Lasers and laser optics : Rare earth and transition metal solid-state lasers

Citation
T. Dascalu, T. Taira, and N. Pavel, "100-W quasi-continuous-wave diode radially pumped microchip composite Yb:YAG laser," Opt. Lett. 27, 1791-1793 (2002)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-27-20-1791


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