Self-Mode-Locked Picosecond Vortex Beams Based on Nd∶GdVO4 Crystal

Jianwei Li; Yi Zheng; Zuohan Li; Yifei Gao; Qingling Li

doi:10.3788/LOP55.021411

Journals >Laser & Optoelectronics Progress >Volume 55 >Issue 2 >Page 021411 > Article

Laser & Optoelectronics Progress
Vol. 55, Issue 2, 021411 (2018)

Self-Mode-Locked Picosecond Vortex Beams Based on Nd∶GdVO₄ Crystal

Jianwei Li, Yi Zheng, Zuohan Li^*, Yifei Gao, and Qingling Li

Author Affiliations

Institute of Laser, School of Science, Beijing Jiaotong University, Beijing 100044, China

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DOI: 10.3788/LOP55.021411 Cite this Article Set citation alerts

Jianwei Li, Yi Zheng, Zuohan Li, Yifei Gao, Qingling Li. Self-Mode-Locked Picosecond Vortex Beams Based on Nd∶GdVO₄ Crystal[J]. Laser & Optoelectronics Progress, 2018, 55(2): 021411 Copy Citation Text

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Abstract

Self-mode-locked Laguerre-Gaussian (LG) vortex beams are studied based on Nd∶GdVO4 crystals. The stable picosecond self-mode-locked laser with Hermite-Gaussian (HG00 and HG02) modes can be obtained through the continuous adjustment for cavity loss. The stable picosecond self-mode-locked vortex pulse can be converted from HG02 mode to LG02 mode with a mode converter. The frequency of mode-locked pulse is 1.35 GHz. The average output powers of LG00 and LG02 modes are 484 mW and 371 mW respectively, and the slope efficiencies are 30.3% and 19.3% respectively.

Keywords

cylindrical lens laser optics picosecond self-mode-locked vortex beams

Jianwei Li, Yi Zheng, Zuohan Li, Yifei Gao, Qingling Li. Self-Mode-Locked Picosecond Vortex Beams Based on Nd∶GdVO₄ Crystal[J]. Laser & Optoelectronics Progress, 2018, 55(2): 021411

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