Generation of picosecond vortex beam in a self-mode-locked Nd:YVO4 laser

被引:5
|
作者
Li Z.-H. [1 ]
Peng J.-Y. [1 ]
Li Q.-L. [1 ]
Gao Y.-F. [1 ]
Li J.-W. [1 ]
Cao Q.-Y. [1 ]
机构
[1] Key Laboratory of Luminescence and Optical Information, Ministry of Education of China, Institute of Laser, School of Science, Beijing Jiaotong University, Beijing
基金
中国国家自然科学基金;
关键词
D O I
10.1007/s11801-017-7009-6
中图分类号
学科分类号
摘要
In this paper, a self-mode-locked Nd:YVO4 picosecond vortex laser is demonstrated, which can operate on the different Laguerre-Gaussian (LG) modes at 1 064 nm. A π/2 mode converter is utilized to realize the picosecond vortex laser with LG mode transformed from the high-order Hermite-Gaussian (HG) mode. For the proposed laser, the mode-locked pulse repetition rate is 1.81 GHz. The average output powers of LG12 mode and LG02 mode are 1.241 W and 1.27 W, respectively, and their slope efficiencies are 23.2% and 24%, respectively. © 2017, Tianjin University of Technology and Springer-Verlag Berlin Heidelberg.
引用
收藏
页码:188 / 191
页数:3
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