Chinese Journal of Lasers, Volume. 37, Issue 11, 2766(2010)

Laser Diode Stack End-Pumped Nd:YVO4 Slab Laser with Hybrid Resonator at 1064 nm and 1342 nm

Zhang Hengli*, Yan Ying, Liu Yang, Li Jing, and Xin Jianguo
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    Laser diode stack end-pumped Nd:YVO4 slab lasers with hybrid resonator operating at both 1064 nm and 1342 nm are demonstrated. The size of the atomic fraction of 0.3% doped Nd:YVO4 slab crystal is 12 mm×10 mm×1 mm, which is cut along a axis and the c axis is parallel with the 12 mm direction. By using a stable-positive confocal unstable resonator, 123 W at 1064 nm and 35.4 W at 1342 nm laser output are realized with M2 factor of 1.3 and the optical conversion efficiency of 46.6%, and its stability is better than 1%. With a stable-negative confocal unstable cavity, 35.4 W 1342 nm laser is obtained under the pump power of 139.5 W, with M2 factor less than 1.3 and the optical conversion efficiency of 25.4%.

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    Zhang Hengli, Yan Ying, Liu Yang, Li Jing, Xin Jianguo. Laser Diode Stack End-Pumped Nd:YVO4 Slab Laser with Hybrid Resonator at 1064 nm and 1342 nm[J]. Chinese Journal of Lasers, 2010, 37(11): 2766

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    Paper Information

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    Received: Dec. 24, 2009

    Accepted: --

    Published Online: Nov. 16, 2010

    The Author Email: Zhang Hengli (zhl040325@bit.edu.cn)

    DOI:10.3788/cjl20103711.2766

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