Shixin Liu, Wanjing Peng, Yujun Feng, Hang Liu, Xinlei Shi, Yinhong Sun, Yi Ma, Zhigang Zhao, Qingsong Gao, Zhaojun Liu, Chun Tang. All-fiber cylindrical vector beam MOPA laser based on integrated metasurface mode convertor[J]. High Power Laser and Particle Beams, 2023, 35(10): 101003
- High Power Laser and Particle Beams
- Vol. 35, Issue 10, 101003 (2023)
Fig. 1. Beam intensity distribution of the supposed mode in the fiber
Fig. 2. Curvature loss of cylindrical vector beam as a function of winding radius
Fig. 3. All fiber cylindrical vector beam MOPA laser system
Fig. 4. Beam intensity distribution before and after passing through a rotatable polarizer
Fig. 5. Output power versus pump power
Fig. 6. Beam intensity distribution with the maximum output power before and after passing through a rotatable polarizer
Fig. 7. Polarization purity versus degree of the polarizer analyzer at 52.2 W and variation of polarization purity during amplification
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Table 1. Fiber parameters
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