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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 11 — Jun. 1, 2010
  • pp: 1801–1803

Efficient triwavelength laser with a Nd:YGG garnet crystal

Haohai Yu, Kui Wu, Bin Yao, Huaijin Zhang, Zhengping Wang, Jiyang Wang, Xingyu Zhang, and Minhua Jiang  »View Author Affiliations


Optics Letters, Vol. 35, Issue 11, pp. 1801-1803 (2010)
http://dx.doi.org/10.1364/OL.35.001801


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Abstract

We demonstrate a laser-diode pumped efficient triwavelength laser at about 1.06 μm with a Nd-doped yttrium gallium garnet crystal for the first time, to our knowledge. Continuous wave output power of 7.15 W was achieved under an absorbed pump power of 14.1 W , corresponding to the slope efficiency of 52.7%. With Cr:YAG as the saturable absorber, passive Q-switching performance was obtained. The shortest pulse width, largest pulse energy, and highest peak power were obtained at 3.1 ns , 153.8 μJ , and 46.6 kW , respectively. The laser spectrum was found to be a triwavelength, with respective wavelengths of 1062.1, 1060.3, and 1058.9 nm , and three laser transitions were assigned.

© 2010 Optical Society of America

OCIS Codes
(140.3380) Lasers and laser optics : Laser materials
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3530) Lasers and laser optics : Lasers, neodymium
(140.3540) Lasers and laser optics : Lasers, Q-switched

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: March 25, 2010
Manuscript Accepted: April 20, 2010
Published: May 20, 2010

Citation
Haohai Yu, Kui Wu, Bin Yao, Huaijin Zhang, Zhengping Wang, Jiyang Wang, Xingyu Zhang, and Minhua Jiang, "Efficient triwavelength laser with a Nd:YGG garnet crystal," Opt. Lett. 35, 1801-1803 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-11-1801


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