激光与光电子学进展, 2018, 55 (2): 021411, 网络出版: 2018-09-10
基于Nd∶GdVO4晶体的自锁模皮秒涡旋光 下载: 1194次
Self-Mode-Locked Picosecond Vortex Beams Based on Nd∶GdVO4 Crystal
摘要
基于Nd∶GdVO4晶体研究了自锁模拉盖尔-高斯(LG)涡旋光束。通过不断调节谐振腔内的损耗实现厄米-高斯(HG00和HG02)模式稳定的皮秒自锁模激光输出。模式转换器可将HG02模式转换为LG02模式稳定的皮秒自锁模涡旋脉冲,锁模脉冲频率为1.35 GHz。LG00和LG02模式锁模脉冲的平均输出功率分别为484 mW和371 mW,斜效率分别为30.3%和19.3%。
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.
李剑伟, 郑义, 李祚涵, 高亦飞, 李庆玲. 基于Nd∶GdVO4晶体的自锁模皮秒涡旋光[J]. 激光与光电子学进展, 2018, 55(2): 021411. 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.