Tao He, Xiaoming Chen, Yanhua Lu, Bin Zhang, Liu Xu, Xianlin Ye, Xiafei Xu. Improvement of beam quality by pump homogenization of Innoslab laser amplifier[J]. High Power Laser and Particle Beams, 2020, 32(1): 011019
- High Power Laser and Particle Beams
- Vol. 32, Issue 1, 011019 (2020)
Fig. 1. Schematic diagram of homogenization with waveguide
Fig. 2. Optical configuration of the direct-imaging pump
Fig. 3. Intensity distribution of the direct-imaging pump
Fig. 4. Optical configuration of the waveguide-homogenization pump
Fig. 5. Intensity distribution of the waveguide-homogenization pump
Fig. 6. Intensity distribution curve of the pump in the width direction when the bars of the LD array have a point defect
Fig. 7. Schematic diagram of the Innoslab laser amplifier
Fig. 8. Waveguide homogenization pump coupling experimental device
Fig. 9. Pump intensity distribution
Fig. 10. Laser beam quality after amplification
Fig. 11. Waveform of a single pulse when self-oscillation occurs
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