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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 5 — Mar. 2, 2009
  • pp: 3574–3580

12.0-W continuous-wave diode-end-pumped Nd:GdVO4 laser with high brightness operating at 912-nm

Jing Gao, Xin Yu, Fei Chen, Xudong Li, Renpeng Yan, Kun Zhang, Junhua Yu, and Yuezhu Wang  »View Author Affiliations

Optics Express, Vol. 17, Issue 5, pp. 3574-3580 (2009)

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We present a diode-pumped high-power continuous-wave (cw) laser at 912 nm based on the quasi-three-level 4F3/24I9/2 transition in Nd:GdVO4 crystal. By using a 5-mm-long conventional bulk crystal with 0.2at.% Nd3+-doped concentration, the maximum output power of 12.0 W is obtained, with a slope efficiency of 29.3%. To the best of our knowledge, this is the highest output at 912 nm generated by diode-pumped Nd:GdVO4 lasers. Furthermore, 3.2 W 456 nm deep-blue light is acquired by frequency doubling, resulting in an optical-to-optical efficiency of 8.0%. The short-term power instability of the blue laser is less than 3%.

© 2009 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3530) Lasers and laser optics : Lasers, neodymium
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.7300) Lasers and laser optics : Visible lasers
(140.3515) Lasers and laser optics : Lasers, frequency doubled

ToC Category:
Lasers and Laser Optics

Original Manuscript: January 5, 2009
Revised Manuscript: February 18, 2009
Manuscript Accepted: February 20, 2009
Published: February 23, 2009

Jing Gao, Xin Yu, Fei Chen, Xudong Li, Renpeng Yan, Kun Zhang, Junhua Yu, and Yuezhu Wang, "12.0-W continuous-wave diode-end-pumped Nd:GdVO4 laser with high brightness operating at 912-nm," Opt. Express 17, 3574-3580 (2009)

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