Chinese Optics Letters, 2015, 13 (5): 051602, Published Online: Sep. 20, 2018  

Spectral properties and laser performance of Nd:Lu3Al5O12 ceramic

Author Affiliations
1 Key Laboratory of Space Laser Communication and Detection Technology, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
2 Key Laboratory of High Power Laser Materials, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
Abstract
In this work, the absorption, fluorescence spectra, and fluorescence decay curve of Nd:Lu3Al5O12, i.e., neodymium lutetium aluminum garnet (Nd:LuAG) ceramic are investigated. A diode-end-pumped Nd:LuAG ceramic laser is demonstrated for the first time (to our knowledge). We present the experiment results of Nd:LuAG ceramic’s continuous wave (CW) and electro-optically (E-O) Q-switched performance. CW output power of 2.5 W is obtained, corresponding to optical-to-optical efficiency of 17.2% and slope efficiency of 24.3%. For the E-O Q-switched setup, the shortest pulse width and the largest pulse energy are measured to be 4.8 ns and 1.96 mJ, respectively. Its optical-to-optical efficiency and the slope efficiency are 17.3% and 28.7%, respectively.

Shuqi Qiao, Yang Zhang, Xiangchun Shi, Benxue Jiang, Long Zhang, Xiaojin Cheng, Lei Li, Jianlei Wang, Luo Gui. Spectral properties and laser performance of Nd:Lu3Al5O12 ceramic[J]. Chinese Optics Letters, 2015, 13(5): 051602.

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