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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 12 — Jun. 15, 2012
  • pp: 2388–2390

Efficient laser operation of Yb:Lu3Ga5O12 garnet crystal

Junhai Liu, Xueping Tian, Zhichao Zhou, Kui Wu, Wenjuan Han, and Huaijin Zhang  »View Author Affiliations

Optics Letters, Vol. 37, Issue 12, pp. 2388-2390 (2012)

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Efficient laser operation is demonstrated at room temperature with a new Yb:Lu3Ga5O12 garnet crystal. A continuous-wave output power of 5.36 W is generated at a center oscillation wavelength of 1041 nm, with an optical-to-optical efficiency of 51% and the slope efficiency of 63%. In passively Q-switched operation, the maximum average output power reaches 4.0 W (center wavelength of 1034 nm) at a repetition rate of 71 kHz, with optical-to-optical and slope efficiencies measured to be 40% and 50%, respectively. Laser pulses of 26 ns duration are generated with a pulse energy of 91 μJ and peak power of 3.5 kW.

© 2012 Optical Society of America

OCIS Codes
(140.3380) Lasers and laser optics : Laser materials
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3615) Lasers and laser optics : Lasers, ytterbium

ToC Category:
Lasers and Laser Optics

Original Manuscript: April 9, 2012
Revised Manuscript: April 30, 2012
Manuscript Accepted: May 1, 2012
Published: June 12, 2012

Junhai Liu, Xueping Tian, Zhichao Zhou, Kui Wu, Wenjuan Han, and Huaijin Zhang, "Efficient laser operation of Yb:Lu3Ga5O12 garnet crystal," Opt. Lett. 37, 2388-2390 (2012)

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