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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 14 — Jul. 4, 2011
  • pp: 13185–13191

Spectroscopic analysis and efficient diode-pumped 1.9 μm Tm3+-doped β′-Gd2(MoO4)3 crystal laser

Jianfeng Tang, Yujin Chen, Yanfu Lin, Xinghong Gong, Jianhua Huang, Zundu Luo, and Yidong Huang  »View Author Affiliations

Optics Express, Vol. 19, Issue 14, pp. 13185-13191 (2011)

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Tm3+-doped β′-Gd2(MoO4)3 single crystal was grown by the Czochralski method. Spectroscopic analysis was carried out along different polarizations. End-pumped by a quasi-cw diode laser at 795 nm in a plano-concave cavity, an average laser output power of 58 mW around 1.9 μm was achieved in a 0.93-mm-thick crystal when the output coupler transmission was 7.1%. The absorbed pump threshold was 8 mW and the slope efficiency of the laser was 57%. This crystal has smooth and broad gain curve around 1.9 μm, which shows that it is also a potential gain medium for tunable and short pulse lasers.

© 2011 OSA

OCIS Codes
(140.3380) Lasers and laser optics : Laser materials
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3580) Lasers and laser optics : Lasers, solid-state

ToC Category:
Lasers and Laser Optics

Original Manuscript: May 5, 2011
Revised Manuscript: June 3, 2011
Manuscript Accepted: June 4, 2011
Published: June 22, 2011

Jianfeng Tang, Yujin Chen, Yanfu Lin, Xinghong Gong, Jianhua Huang, Zundu Luo, and Yidong Huang, "Spectroscopic analysis and efficient diode-pumped 1.9 μm Tm3+-doped β′-Gd2(MoO4)3 crystal laser," Opt. Express 19, 13185-13191 (2011)

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