Jiaying Liu, Ziqiang Li, Ran Yang, Fan Zou, Xu Yang, Xin Zhou, Ziting Pan, Likang Pan, Yuting Li, Jiali Jiang, Feng Li, Chao Geng, Xinyang Li. Research progress of coherent beam combining technique of phased fiber laser array[J]. High Power Laser and Particle Beams, 2023, 35(4): 041003
- High Power Laser and Particle Beams
- Vol. 35, Issue 4, 041003 (2023)
Fig. 1. Schematic diagram and real picture of the emissive hexagon array plane of a 19-element PFLA
Fig. 2. Simulation results of combined beam’s metrics characteristics of 19 Gaussian beamlets in the far-field with different T r
Fig. 3. Experimental results of combined beam’s metrics characteristics of 19 Gaussian beamlets in the far-field with different T r
Fig. 4. Bidirectional CBC scheme based on 19-element PFLA
Fig. 5. Curves of normalized optical intensity coupled by the AFOC array
Fig. 6. Long exposure patterns in far field (frame averaged) at different stages in the closed loop control processes
Fig. 7. Experimental setup and block diagram for CBC and pointing of a 19-element PFLA under 2 km turbulence conditions
Fig. 8. Variation of the reflected optical intensity metircs of the combined beam under different turbulence intensities at the stages of OP, PL, PLTT of SPGD algorithm
Fig. 9. Experimental principle and real device diagram of CBC and pointing of 57-element PFLA in 2.1 km transmission
Fig. 10. Metric curve of back-reflected signals from the target of different stages in the closed-loop control process
Fig. 11. Long exposure patterns on the target of different stages in the closed-loop control process
Fig. 12. CBC Receiving system diagram of a 19-element PFLA array within 2.1 km horizontal turbulence
Fig. 13. Metrics characteristics of 19-element CBC receiving in 2.1 km horizontal turbulence
Fig. 14. Scheme of the wavefront sensor based on AFOC array
Fig. 15. Wavefront recovery results
Fig. 16. Experimental setup of PFLA based on active wavefront measurement and external aberration pre-compensation
Fig. 17. Far-field spot distribution at different stages of the pre-compensation process
Fig. 18. Schematic diagram of the optical arrangement of the continuous beam scanning system
Fig. 19. Principle of continuous scanning based on AFOC and MLAS
Fig. 20. Experimental structure of beam scanning with two-stage modulation of AFOC and MLAS
Fig. 21. Long-exposure pictures of the linear scanning of MLAS alone and AFOC+MLAS
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20