Meichen Long, Haiyang Zhang, Chun Liu, Changming Zhao, Suhui Yang, Hongzhi Yang. Spatial Modulation Characteristics of Micro-Lens for Irradiated Laser[J]. Acta Optica Sinica, 2017, 37(12): 1205001
- Acta Optica Sinica
- Vol. 37, Issue 12, 1205001 (2017)
Fig. 1. Diagram of beam propagation in micro-lens system
Fig. 2. Diagram of tilted beam propagation in micro-lens system
Fig. 3. Frequency spectra distributions of diffraction images. (a) Positive incident; (b) incident angle of 5°
Fig. 4. Distributions of diffraction optical field under the condition of different detection distances. (a) L=0.2 m; (b) L=0.7 m; (c) L=2.0 m; (d) L=3.0 m
Fig. 5. Distributions of diffraction optical field under the condition of different incident angles. (a) θ=0°; (b) θ=1°; (c) θ=2°; (d) θ=3°; (e) θ=4°; (f) θ=5°
Fig. 6. Distributions of diffraction optical field under the condition of different diaphragm diameters. (a) D=0.8 mm; (b) D=1.2 mm; (c) D=2.0 mm; (d) D=2.8 mm
Fig. 7. Variations of light intensity with incident angle under the condition of different diaphragm diameters
Fig. 8. Experimental setup of active laser detection
Fig. 9. Diffraction patterns under the condition of different detection distances. (a) L=0.2 m; (b) L=0.7 m; (c) L=2.0 m; (d) L=3.0 m
Fig. 10. Diffraction patterns under the condition of different incident angles. (a) θ=0°; (b) θ=1°; (c) θ=2°; (d) θ=3°; (e) θ=4°; (f) θ=5°
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Table 1. Parameters of diffraction optical field under the condition of different detection distances
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