Xiaoqin SHAN, Tianhao LI, Rihong ZHU. Simulation of attenuation and compression in beam quality measurement of high power laser[J]. Journal of Applied Optics, 2024, 45(1): 199
- Journal of Applied Optics
- Vol. 45, Issue 1, 199 (2024)
Fig. 1. Schematic diagram of beam quality measurement
Fig. 2. Simulation results of fused quartz glass (CORNING7980) in COMSOL
Fig. 3. Flow chart of simulation of thermal aberration on laser beam quality change
Fig. 4. Effect of laser thermal aberration on laser beam quality
Fig. 5. Flow chart of polarization characteristics simulation
Fig. 6. Simulation of beam quality factors under different polarization states
Fig. 7. Optical path design of compression module
Fig. 8. Simulation flow chart of compression module wave aberration on laser beam quality factor
Fig. 9. Wavefront diagram of compression module under 0° field of view
Fig. 10. Fitting curves of laser beam quality factor M2 for compression module under 0° field of view
Fig. 11. Beam quality factor M2 at different field angles
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Table 1. Parameters of fused quartz glass (CORNING7980)
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Table 2. Parameters of virtual transmission image matrix in simulation
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Table 3. Parameters of virtual 4f system in simulation
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