H. N. Zhang, P. Li*, X. H. Chen, and Q. P. Wang
School of Information Science and Engineering, Shandong University, Jinan, 250100 China
*e-mail: pingli@sdu.edu.cn
Received September 19, 2011; in final form September 21, 2011; published online December 28, 2011
Abstract—The performance of a LD-pumped passively Q-switched Nd:YAG ceramic laser at 1319 nm with a
Co:LMA saturable absorber was demonstrated for the first time to the best of our knowledge. The average out-
put power of 1.58 W was obtained at the pump power of 23.3 W, corresponding to the optical conversion effi-
ciency of 6.78% and slope efficiency of 11.2%. The minimum pulse width was 23 ns with the pulse repetition
rate of 83 kHz, which was attained with a T = 1% output coupler at the pump power of 23.3 W.
DOI: 10.1134/S1054660X12020272
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