Pangyue Li, Shun Zhou, Jin Cheng, Yibo Zhao, Jiahao Liu, Weiguo Liu. Design of Integrated Lens Array Beam Shaping System[J]. Laser & Optoelectronics Progress, 2023, 60(15): 1514011
- Laser & Optoelectronics Progress
- Vol. 60, Issue 15, 1514011 (2023)
Fig. 1. Structure diagram of linear array of semiconductor laser (LAOSL)
Fig. 2. Light intensity distribution of a single light emitting unit. (a) Far-field three-dimensional light intensity distribution; (b) two-dimensional projections of x-y surface
Fig. 3. Structure diagram of integrated collimated beam expanding lens array shaping system
Fig. 4. Structure diagram of integrated lens array
Fig. 5. Schematic of aspheric lens collimation in fast axis direction
Fig. 6. Schematic of aspheric lens beam expansion in slow axis direction
Fig. 7. Structure diagram of beam collimation beam expansion system in Zemax
Fig. 8. Result maps of integrated lens array shaping. (a) Normalized light intensity distribution map of incident beam; (b) normalized light intensity distribution map of outgoing beam; (c) optimized lens structure map
Fig. 9. Relative light intensity distributions of LAOSL before and after shaping. Relative light intensity distribution in (a) fast axis direction of incident beam; (b) fast axis direction of outgoing beam; (c) slow axis direction of incident beam; (d) slow axis direction of outgoing beam
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Table 1. Design parameters of shaping system
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Table 2. Initial structural parameters of LAOSL and aspheric lens
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Table 3. Parameters after optimization of aspheric collimation beam expanding lens arrays
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Table 4. Raw data for line beam sampling
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