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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 18 — Jun. 20, 2012
  • pp: 4042–4046

Improvement in continuous-wave laser performance of disordered Yb:CNGG crystal

Zhichao Zhou, Xueping Tian, Qibiao Dai, Wenjuan Han, Jiayin Huang, Junhai Liu, and Huaijin Zhang  »View Author Affiliations

Applied Optics, Vol. 51, Issue 18, pp. 4042-4046 (2012)

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We report on a significant improvement in cw laser performance of the disordered Yb:CNGG crystal. Very efficient cw laser operation is demonstrated at room temperature with a 3.5 mm thick crystal end pumped by a diode laser, generating an output power of 5.15 W with an optical-to-optical efficiency of 46%, whereas the slope efficiency amounts to 80%.

© 2012 Optical Society of America

OCIS Codes
(140.3380) Lasers and laser optics : Laser materials
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3615) Lasers and laser optics : Lasers, ytterbium

ToC Category:
Lasers and Laser Optics

Original Manuscript: February 13, 2012
Revised Manuscript: April 21, 2012
Manuscript Accepted: April 23, 2012
Published: June 12, 2012

Zhichao Zhou, Xueping Tian, Qibiao Dai, Wenjuan Han, Jiayin Huang, Junhai Liu, and Huaijin Zhang, "Improvement in continuous-wave laser performance of disordered Yb:CNGG crystal," Appl. Opt. 51, 4042-4046 (2012)

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  1. H. Zhang, J. Liu, J. Wang, J. Fan, X. Tao, X. Mateos, V. Petrov, and M. Jiang, “Spectroscopic properties and continuous-wave laser operation of a new disordered crystal: Yb-doped CNGG,” Opt. Express 15, 9464–9469 (2007). [CrossRef]
  2. J. Liu, H. Zhang, W. Han, V. Petrov, and J. Wang, “Polarized laser oscillation of isotropic disordered Yb:Ca3(NbGa)2−xGa3O12 crystal,” Opt. Express 16, 12201–12206 (2008). [CrossRef]
  3. J. Liu, H. Yang, H. Zhang, X. Mateos, V. Petrov, and J. Wang, “Laser performance of disordered Yb:Ca3(NbGa)2−xGa3O12 crystal under diode pumping at 974–976 nm,” Laser Phys. Lett. 5, 874–878 (2008). [CrossRef]
  4. A. Schmidt, U. Griebner, H. Zhang, J. Wang, M. Jiang, J. Liu, and V. Petrov, “Passive mode-locking of the Yb:CNGG laser,” Opt. Commun. 283, 567–569 (2010). [CrossRef]
  5. J. Liu, W. Han, H. Zhang, J. Wang, and V. Petrov, “Influence of pump wavelength on the laser performance of Yb:KLu(WO4)2 crystal,” Opt. Commun. 281, 5393–5395 (2008). [CrossRef]

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