Journal
OPTICAL MATERIALS
Volume 71, Issue -, Pages 121-124Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.optmat.2016.04.021
Keywords
Diode-pumped laser; Neodymium laser; Laser ceramic
Categories
Funding
- National Natural Science Foundation of China [61505147, 61405126]
- Science and technology project of Shenzhen City [JCYJ20140828]
- Public welfare projects of Zhejiang Province [2015C34017]
- Natural Science Foundation of Zhejiang Province [LY14F050008]
- Key Laboratory for Advanced Laser Materials and Devices of Jiangsu Province [KLALMD-2015-01]
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Laser operation of Nd:LuAG ceramic on the F-4(3/2)-I-4(13/2) transition has been demonstrated for the first time, to the best of our knowledge. Different output couplers are used to optimize the laser performance and the highest slope efficiency of 18.0% as well as maximum output power of 3.05 W under the pump power of 21 W was obtained. The spectral characteristics of Nd:LuAG ceramic laser is carefully studied and compared with Nd:YAG ceramic laser's. In our experiment, it has been observed that the 1338 nm wavelength is always the initial and strongest oscillating spectral line when Nd:LuAG ceramic laser operates on the F-4(3/2)-I-4(13/2) transition, even though the pump level or intra-cavity loss changes greatly, which is quite different from the case of Nd:YAG ceramic laser. (C) 2016 Elsevier B.V. All rights reserved.
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