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
- Laser & Optoelectronics Progress
- Vol. 55, Issue 2, 021411 (2018)
Fig. 1. Experimental setup of self-mode-locked vortex laser based on Nd∶GdVO4 crystal at 1064 nm
Fig. 2. Three-dimensional light intensity distribution of HG02 transmission mode
Fig. 3. Pulse train waveforms of HG02 mode with different pump powers. (a) Pump power is 2.3 W; (b) pump power is 3.8 W
Fig. 4. Train waveform of mode-locked pulse with TEM00
Fig. 5. LG transmission modes corresponding to different HG transmission modes
Fig. 6. Three-dimensional light intensity distribution of LG02 transmission mode
Fig. 7. Variation in output powers of different LG transmission modes with pump power
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