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19 October 2016 Experimental evidence for formation mechanism of regular circular fringes
Y. Wang, R. Zhu, G. Wang, P. Wang, H. Li, W. Zhang, G. Ren
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Proceedings Volume 10155, Optical Measurement Technology and Instrumentation; 101550V (2016) https://doi.org/10.1117/12.2245010
Event: International Symposium on Optoelectronic Technology and Application 2016, 2016, Beijing, China
Abstract
Laser active suppressing jamming is one of the most effective technologies to cope with optoelectric imaging systems. In the process of carrying out laser disturbing experiment, regular circular fringes often appeared on the detector, besides laser spot converging by optical system. First of all, the formation of circular fringes has been experimentally investigated by using a simple converging lens to replace the complex optical system. Moreover, circular fringes have been simulated based on the interference theory of coherent light. The coherence between the experimental phenomena and the simulated results showed that the formation mechanism of regular circular fringes was the interference effect between reflected light by back surface of lens and directly refractive light on the detector. At last, the visibility of circular fringes has been calculated from 0.05 to 0.22 according to the current plating standard of lens surface and manufacture technique of optoelectric detector.
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Y. Wang, R. Zhu, G. Wang, P. Wang, H. Li, W. Zhang, and G. Ren "Experimental evidence for formation mechanism of regular circular fringes", Proc. SPIE 10155, Optical Measurement Technology and Instrumentation, 101550V (19 October 2016); https://doi.org/10.1117/12.2245010
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Imaging systems
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