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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 25 — Dec. 12, 2005
  • pp: 10115–10119

8.3 W diode-end-pumped continuous-wave Nd:YAG laser operating at 946-nm

Rui Zhou, Tieli Zhang, Enbang Li, Xin Ding, Zhiqiang Cai, Baigang Zhang, Wuqi Wen, Peng Wang, and Jianquan Yao  »View Author Affiliations


Optics Express, Vol. 13, Issue 25, pp. 10115-10119 (2005)
http://dx.doi.org/10.1364/OPEX.13.010115


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Abstract

This paper reports a diode-end-pumped continuous-wave (CW) Nd:YAG laser operating at 946-nm by utilizing the 4F3/2-4I9/2 transition. We demonstrated that at an incident pump power of 27.7 W, an output power of 8.3-W could be achieved with a slope efficiency of 33.5%. To the best of our knowledge, this is the highest CW output power at 946 nm generated by LD end-pumped Nd:YAG lasers. By using intracavity frequency doubling with an LBO crystal, we further obtained a 473-nm blue laser with an output power of 1.2 W, achieving an optical-to-optical conversion efficiency of 7.1% at a pump power of 16.9 W. The short-term power instability of the blue laser was less than 1 %.

© 2005 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
(190.2620) Nonlinear optics : Harmonic generation and mixing

ToC Category:
Research Papers

Citation
Rui Zhou, Tieli Zhang, Enbang Li, Xin Ding, Zhiqiang Cai, Baigang Zhang, Wuqi Wen, Peng Wang, and Jianquan Yao, "8.3 W diode-end-pumped continuous-wave Nd:YAG laser operating at 946-nm," Opt. Express 13, 10115-10119 (2005)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-13-25-10115


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References

  1. T. Y. Fan, R. L. Byer, "Modeling and CW Operation of a Quasi-Three-Level 946 nm Nd:YAG laser," IEEE. J. Quantum Electron. 23, 605 (1987). [CrossRef]
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  9. M. Abraham, A. Bar-Lev, H. Epshtein, A. Goldring, Y. Zimmermann, E. Lebiush, R. Lavi, "7.4W CW output power of Nd:YAG laser radiation at 946nm and 500mW of 473nm laser by extra cavity doubling using periodically poled KTP," In: Advanced Solid-State Lasers, OSA Technical Digest (Seattle, Washington, USA, 28-31 Jan 2001), 543 (2001)
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