Ziyi Zhang, Meng Chen, Chunlei Wang, Hepeng Xiang, Ruiqing Tao. Research on shaping characteristics of Gaussian beam aspheric shaping system[J]. Opto-Electronic Engineering, 2022, 49(4): 210367
- Opto-Electronic Engineering
- Vol. 49, Issue 4, 210367 (2022)
Fig. 1. Illustration for a uniform energy density distribution H(x) in one dimension
Fig. 2. Structure of aspheric shaping system
Fig. 3. Experimental device diagram
Fig. 4. Laser power stability test
Fig. 5. Light intensity distribution maps corresponding to different incident beam diameters. (a) D=1.0 mm; (b) D=1.2 mm; (c) D=1.4 mm; (d) D=1.6 mm; (e) D=1.8 mm; (f) D=2.0 mm
Fig. 6. Fitting curves of incident beam diameter with optimal shaping position, flatness factor, beam uniformity and edge steepness. (a) D-L fitting curve; (b) D-FF fitting curve; (c) D-U fitting curve; (d) D-s fitting curve
Fig. 7. Light intensity distributions corresponding to different incident divergence angles. (a) θ=3.7 mrad; (b) θ=6.5 mrad; (c) θ=9 mrad; (d) θ=11.5 mrad; (e) θ=13.5 mrad; (f) θ=18.4 mrad
Fig. 8. Fitting curve of incident divergence angle with optimal shaping position, flatness factor, beam uniformity and edge steepness. (a) θ-L fitting curve; (b) θ-FF fitting curve; (c) θ-U fitting curve; (d) θ-s fitting curve
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Table 1. Design parameters of aspheric shaping mirror
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Table 2. Influence of incident beam diameter on aspheric shaping
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Table 3. Influence of incident divergence angle on aspheric surface shaping
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Table 4. Experimental influencing factors and experimental design level
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Table 5. Experimental data table
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Table 6. Analysis of variance of the optimal shaping position
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Table 7. Verification experiment of predictive function
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