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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 2 — Jan. 23, 2006
  • pp: 686–695

Diode-pumped continuous-wave and passively mode-locked Yb:GSO laser

Wenxue Li, Haifeng Pan, Liang’en Ding, Heping Zeng, Guangjun Zhao, Chengfeng Yan, Liangbi Su, and Jun Xu  »View Author Affiliations

Optics Express, Vol. 14, Issue 2, pp. 686-695 (2006)

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We report on both continuous-wave and passively mode-locked laser actions of a new ytterbium-doped laser crystal Yb:Gd2SiO5 (Yb:GSO) under high-power diode-end-pumping. Due to the anisotropic and compact crystal structure, Yb:GSO exhibits a large manifold splitting of Yb3+ ions, and a Yb:GSO laser can be operated efficiently with negligible reabsorption losses at emission wavelengths. In the continuous-wave operation, a Yb:GSO laser was operated with a slope efficiency of 49% near 1094 nm— the longest laser wavelength achieved for Yb3+ lasers. Passive mode locking was obtained with a semiconductor saturable-absorber mirror. At a pump power of 6.23 W, a maximum average output power of 638 mW was obtained with the repetition rate of 145.5 MHz.

© 2006 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.4050) Lasers and laser optics : Mode-locked lasers
(140.5680) Lasers and laser optics : Rare earth and transition metal solid-state lasers

Wenxue Li, Haifeng Pan, Liang'en Ding, Heping Zeng, Guangjun Zhao, Chengfeng Yan, Liangbi Su, and Jun Xu, "Diode-pumped continuous-wave and passively mode-locked Yb:GSO laser," Opt. Express 14, 686-695 (2006)

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