Journal
OPTICS EXPRESS
Volume 23, Issue 6, Pages 8104-8112Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.23.008104
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Funding
- National Natural Science Foundation of China [11404332, 61475067]
- National High-Tech R&D Program of China [2013AA014202]
- natural science foundation of Fujian province [2013J05106]
- Fundamental Research Funds for the Central Universities
- Research Funds of Renmin University of China [2014030192]
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We demonstrated the efficient guided laser action in a diodepumped YAG/Nd:YAG/YAG ceramic planar waveguide produced by tape casting and vacuum sintering technology for the first time to the best of our knowledge. In the regime of continuous wave operation, a maximum output power of 840 mW corresponding to the slope efficiency of 65% was achieved. During passively Q-switched operation, by replacing the dichroic mirror with graphene-oxide based output coupler, we obtained the stable pulse trains with the shortest pulse duration of 179 ns at a pulse repetition rate of 930 kHz which resulted in the single pulse energy of 221 nJ. (C)2015Optical Society of America
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