Zhanhua Huang, Shi Fang, Yanan Zhang, Huaiyu Cai, Yinxin Zhang. Spatial Laser Collimation System Calibration Based on Position Sensitive Device[J]. Laser & Optoelectronics Progress, 2018, 55(11): 110401
- Laser & Optoelectronics Progress
- Vol. 55, Issue 11, 110401 (2018)
Fig. 1. PSD-based laser collimation system
Fig. 2. Nonlinear data grid of PSD
Fig. 3. Intensity distribution of laser spots at different spatial distances.(a) 230 mm; (b) 700 mm; (c) 1350 mm; (d) 2440 mm; (e) 3580 mm; (f) 4750 nm
Fig. 4. Algorithm flow chart of system simulation experiment
Fig. 5. Schematic of PSD spot response experiment
Fig. 6. Schematic of PSD detector installation
Fig. 7. Comparison of simulation results and experimental results under different relative displacements. (a) 0 mm; (b) 1.5 mm; (c) 3.0 mm; (d) 4.5 mm
Fig. 8. Error curves diagram of the relative displacement between the laser spot and the PSD target surface center with 0, 1.5, 3.0, 4.5 mm
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Table 1. Simulation system output resultsmm
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Table 2. PSD experimental output resultsmm
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Table 3. Simulation and experimental error resultsmm
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