Jiahui QU, Haiyang ZHANG, Yu FAN, Lin WANG, Heying WANG, Changming ZHAO. Mechanism of multi-wavelength laser detection of micro-camera[J]. Journal of Applied Optics, 2022, 43(4): 809
- Journal of Applied Optics
- Vol. 43, Issue 4, 809 (2022)
Fig. 1. Laser active detection model of cat-eye target
Fig. 2. Schematic diagram of depth of field of imaging system
Fig. 3. Structure diagram of experimental device
Fig. 4. 532 nm laser echo spot and intensity distribution curve
Fig. 5. 852 nm laser echo spot and intensity distribution curve
Fig. 6. 1 064 nm laser echo spot and intensity distribution curve
Fig. 7. 1 550 nm laser echo spot and intensity distribution curve
Fig. 8. Relation curves of total irradiation intensity of detection surface and detection distance
Fig. 9. Relation curves of spot radius and detection distance
Fig. 10. Experimental diagram of 532 nm laser echo spot
Fig. 11. Experimental diagram of 852 nm laser echo spot
Fig. 12. Experimental diagram of 1 064 nm laser echo spot
Fig. 13. Experimental diagram of 1 550 nm laser echo spot
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Table 1. Specification parameters of industrial camera
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Table 2. Description of commonly-used detection laser
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Table 3. Segmentation slope of relation curves of total irradiation intensity of detection surface and detection distance （×10−3 W/mm3）
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Table 4. Spot characteristics of different-wavelength lasers at partial detection distances
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