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Proceedings Paper

High-precision digital synchronous system in the physical diagnosis of multi-beam laser target system
Author(s): Yingdong Xue; Yonglin Bai
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Paper 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.

Paper Details

Date Published: 13 October 2010
PDF: 6 pages
Proc. SPIE 7656, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 76565T (13 October 2010); doi: 10.1117/12.864668
Show Author Affiliations
Yingdong Xue, Xi'an Institute of Optics and Precision Mechanics (China)
Graduate School of the CAS (China)
Yonglin Bai, Xi'an Institute of Optics and Precision Mechanics (China)


Published in SPIE Proceedings Vol. 7656:
5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment
Yudong Zhang; Jose M. Sasian; Libin Xiang; Sandy To, Editor(s)

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