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Optics Letters

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  • Vol. 25, Iss. 11 — Jun. 1, 2000
  • pp: 805–807

High-power dual-rod Yb:YAG laser

Eric C. Honea, Raymond J. Beach, Scott C. Mitchell, Jay A. Skidmore, Mark A. Emanuel, Steven B. Sutton, Stephen A. Payne, Petras V. Avizonis, Robert S. Monroe, and Dennis G. Harris  »View Author Affiliations


Optics Letters, Vol. 25, Issue 11, pp. 805-807 (2000)
http://dx.doi.org/10.1364/OL.25.000805


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Abstract

We describe a diode-pumped Yb:YAG laser that produces 1080 W of power cw with 27.5% optical optical efficiency and 532 W Q-switched with M2=2.2 and 17% optical–optical efficiency. The laser uses two composite Yb:YAG rods separated by a 90° quartz rotator for bifocusing compensation. A microlensed diode array end pumps each rod, using a hollow lens duct for pump delivery. By changing resonator parameters we can adjust the fundamental mode size and the output beam quality. Using a flattened Gaussian intensity profile to calculate the mode-fill efficiency and clipping losses, we compare experimental data with modeled output power versus beam quality.

© 2000 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3570) Lasers and laser optics : Lasers, single-mode
(140.5560) Lasers and laser optics : Pumping
(140.5680) Lasers and laser optics : Rare earth and transition metal solid-state lasers

Citation
Eric C. Honea, Raymond J. Beach, Scott C. Mitchell, Jay A. Skidmore, Mark A. Emanuel, Steven B. Sutton, Stephen A. Payne, Petras V. Avizonis, Robert S. Monroe, and Dennis G. Harris, "High-power dual-rod Yb:YAG laser," Opt. Lett. 25, 805-807 (2000)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-25-11-805


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