Yun Ye, Xiaolin Wang, Chen Shi, Hanwei Zhang, Xiaoming Xi, Pu Zhou, Xiaojun Xu. Research Progress in High Power Ytterbium Doped Fiber Laser Oscillator[J]. Laser & Optoelectronics Progress, 2018, 55(12): 120006
- Laser & Optoelectronics Progress
- Vol. 55, Issue 12, 120006 (2018)
Fig. 1. Experimental setup of 1.36 kW space-coupled fiber laser oscillator
Fig. 2. Experimental setup of 2.1 kW space-coupled fiber laser oscillator
Fig. 3. Schematic of 3 kW space-coupled fiber laser oscillator
Fig. 4. Experimental setup of 1.6 kW single-mode all-fiber laser oscillator
Fig. 5. Schematic of the 20/400 μm double side pumped all-fiber laser oscillator
Fig. 6. Output spectra. (a) 2.5 kW all-fiber laser oscillator; (b) 3 kW all-fiber laser oscillator
Fig. 7. Schematic of the 25/400 μm double side pumped all-fiber laser oscillator
Fig. 8. 5.2 kW all-fiber laser oscillator. (a) Output spectra; (b) time domain and frequency domain profiles at the maximum output power
Fig. 9. Schematic of 5 kW all-fiber laser oscillator
Fig. 10. Output performance of 5 kW all-fiber laser oscillator. (a) Output power versus launched pump power; (b) output spectra
Fig. 11. Structure of side-coupled cladding pump fiber
Fig. 12. Experimental setup and results of the cascaded side-pumped fiber laser oscillator. (a) Diagram of experimental setup; (b) output power versus pump power; (c) output spectrum
Fig. 13. (a) Structure of 3C fiber with 8 side cores; (b) cross section of a LPF
Fig. 14. Schematic of 2.6 kW narrowband laser amplifier with 3C fiber
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Table 1. Typical experimental results of high power all-fiber laser oscillators
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