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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 22 — Oct. 27, 2008
  • pp: 17729–17734

Low quantum defect laser oscillation of a new mixed Yb0.009:Y0.575Gd0.416VO4 crystal

Junhai Liu, Huaijin Zhang, Xavier Mateos, Wenjuan Han, Valentin Petrov, and Jiyang Wang  »View Author Affiliations

Optics Express, Vol. 16, Issue 22, pp. 17729-17734 (2008)

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Spectroscopic properties and continuous-wave laser performance of a new Yb0.009:Y0.575Gd0.416VO4 mixed vanadate crystal are reported. Purely σ-polarized laser oscillation at 1013–1009.5 nm, with quantum defect lower than 3%, is demonstrated at room temperature in free running mode under diode pumping, producing an output power of 1.55 W with optical-to-optical and slope efficiencies of 19% and 32%, respectively. At longer wavelengths where the π-polarized oscillation exhibited higher gain, the output power reached 2.5 W, with a slope efficiency of 41%.

© 2008 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.3615) Lasers and laser optics : Lasers, ytterbium

ToC Category:
Lasers and Laser Optics

Original Manuscript: August 4, 2008
Revised Manuscript: October 6, 2008
Manuscript Accepted: October 6, 2008
Published: October 17, 2008

Junhai Liu, Huaijin Zhang, Xavier Mateos, Wenjuan Han, Valentin Petrov, and Jiyang Wang, "Low quantum defect laser oscillation of a new mixed Yb0.009:Y0.575Gd0.416VO4 crystal," Opt. Express 16, 17729-17734 (2008)

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