Wenyue Wang, Ruige Dong, Wenlong Yang. Sensitivity Investigation of Schlieren Imaging System[J]. Laser & Optoelectronics Progress, 2018, 55(11): 111102
- Laser & Optoelectronics Progress
- Vol. 55, Issue 11, 111102 (2018)
Fig. 1. Schematic of experimental setup
Fig. 2. Light deflection diagram
Fig. 3. Image of the light source at the knife edge
Fig. 4. Experimental setup
Fig. 5. Images with hot air gun disturbance. (a) T=200 ℃; (b) T=300 ℃
Fig. 6. Undisturbed image after brightness processing
Fig. 7. Disturbed image after brightness processing
Fig. 8. Number of stripes with different schlieren lens focal lengths
Fig. 9. Simulated images. (a) n=0.6417, f3=200 mm; (b) n=1.000051, f3=200 mm
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Table 1. Relationship between atmospheric temperature and refraction
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