Chinese Optics Letters, 2014, 12 (1): 011401, Published Online: Dec. 31, 2013   

Graphene Q-switched 0.9-μm Nd:La0.11Y0.89VO4 laser Download: 1439次

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Abstract
Graphene saturable absorber (SA) is used as the passive Q-switcher of a 0.9-\mu m solid-state laser. When the laser medium is a Nd:La0.11Y0.89VO4 crystal, the initial transmittance of the graphene SA is 78%; at an absorbed pump power of 7.62 W, the maximum average output power, largest pulse energy, and minimum pulse width are 0.62 W, 2.58 μJ, and 84 ns, respectively. This study shows that graphene is a promising and cost-saving SA for 0.9-\mu m pulse generation.

Shuo Han, Xianlei Li, Honghao Xu, Yongguang Zhao, Haohai Yu, Huaijin Zhang, Yongzhong Wu, Zhengping Wang, Xiaopeng Hao, Xinguang Xu. Graphene Q-switched 0.9-μm Nd:La0.11Y0.89VO4 laser[J]. Chinese Optics Letters, 2014, 12(1): 011401.

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