Wei Ding, Fei Wang, Mengjie Wang, Ningzhi Weng. Simulation of Axial Focal Shift of Optical System Under High-Power Laser[J]. Laser & Optoelectronics Progress, 2021, 58(11): 1114011
- Laser & Optoelectronics Progress
- Vol. 58, Issue 11, 1114011 (2021)
Fig. 1. Pulse function of period diagram
Fig. 2. Mesh generation
Fig. 3. Heat distribution of optical lens under continuous laser action. (a) 1000 W; (b) 3000 W; (c) 5000 W
Fig. 4. Changes in refractive index of optical lens. (a) 1000 W; (b) 3000 W; (c) 5000 W
Fig. 5. Deformation of optical lens when heated for 5 s. (a) 1000 W; (b) 3000 W; (c) 5000 W
Fig. 6. Focus of optical system after beam is heated
Fig. 7. Relationship between continuous laser power and axial focus displacement
Fig. 8. Relationship between quasi-continuous laser power and axial focus displacement
Fig. 9. Relationship between pulse width and axial focus displacement
Fig. 10. Relationship between repetition frequency and axial focus displacement
Fig. 11. Relationship between convection coefficient and axial focus displacement
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