Yingnan Peng, Qiqi Hu, Jiazhu Duan, Dapeng Li, Boyu Tian, Xiangjie Zhao, Dayong Zhang. Self-adaptiue tilt control method based on second order moment of beam for laser array[J]. High Power Laser and Particle Beams, 2023, 35(4): 041010
- High Power Laser and Particle Beams
- Vol. 35, Issue 4, 041010 (2023)
Fig. 1. Far-field spot distribution of coherent beam under different tilt phase error
Fig. 2. Beam distribution of simulated tilt control process
Fig. 3. Variation of second order moment of spot in tilt control process
Fig. 4. Coherent beam combining system of 7-channel fiber laser array
Fig. 5. Spot distribution of experimental tilt control process
Fig. 6. Variation of second order moment of spot in tilt closed-loop
Fig. 7. Variation of power in the bucket in phase and tilt control process
Fig. 8. Variation of second order moment of spot under different gain parameter
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Table 1. Second order moment of coherent beam under different tilt phase error
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