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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 26 — Dec. 24, 2007
  • pp: 18162–18167

Laser operation of Yb3+in disordered Li0.75Gd0.75Ba0.5(MoO4)2 crystal with small quantum defect

A. García-Cortés, C. Zaldo, C. Cascales, X. Mateos, and V. Petrov  »View Author Affiliations


Optics Express, Vol. 15, Issue 26, pp. 18162-18167 (2007)
http://dx.doi.org/10.1364/OE.15.018162


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Abstract

A new strategy has been developed to enhance the optical bandwidths of rare earth dopants by partial substitution of the divalent cation (D) in the original DWO4 or DMoO4 crystal structures. For demonstration, the monoclinic (space group C2/c) Yb-doped Li0.75Gd0.75Ba0.50(MoO4)2 crystal was grown in a Li2Mo2O7 flux, and 300 K Yb3+laser operation is reported. The laser emission is characterized by rather short wavelengths related to the specific features of the absorption and emission spectra, which leads to very small quantum defect, i.e., as low as 0.7% for E//b-axis. Using a Ti:sapphire laser at 976.6 nm, up to 295 mW of cw power are obtained without special cooling while the tunability range extends over 33 nm around 1020 nm.

© 2007 Optical Society of America

OCIS Codes
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.5680) Lasers and laser optics : Rare earth and transition metal solid-state lasers
(160.5690) Materials : Rare-earth-doped materials
(140.3615) Lasers and laser optics : Lasers, ytterbium

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: October 30, 2007
Revised Manuscript: November 21, 2007
Manuscript Accepted: November 23, 2007
Published: December 19, 2007

Citation
A. García-Cortés, C. Zaldo, C. Cascales, X. Mateos, and V. Petrov, "Laser operation of Yb3+ in disordered Li0.75Gd0.75Ba0.5(MoO4)2 crystal with small quantum defect," Opt. Express 15, 18162-18167 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-26-18162


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References

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