12 October 2010 High-precision digital synchronous system in the physical diagnosis of multi-beam laser target system
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Abstract
A high-precision synchronous system has been developed to control the diagnostic equipments in the multi-beam laser target experiment. In the system, both digital delay and analog delay techniques are used simultaneously to realize the high-precision time delay. By adopting the embedded intelligent chip FPGA, the resource consumption of the system is obviously reduced; the performance of the digital delay part is improved. In the analog delay part, the capacitor charging and discharging techniques are used to realize the delay resolution of 5 ps. To reduce the impact of the random trigger signals, the jitter compensation circuit is also used in the design. The high-precision time delay and strong antiinterference ability of the system are proved by the experimental results.
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Yingdong Xue, Yingdong Xue, Yonglin Bai, Yonglin Bai, } "High-precision digital synchronous system in the physical diagnosis of multi-beam laser target system", Proc. SPIE 7656, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 76565T (12 October 2010); doi: 10.1117/12.864668; https://doi.org/10.1117/12.864668
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