大科学装置的高精度定时同步技术

High-Precision Timing Synchronization Techniques in Large-Scale Scientific Facilities

精密定时已成为很多大型先进科学装置的必备技术,而定时精度是这些大型仪器实现其最终目标的关键因素。本文回顾了近年来定时技术的进展,包括不同类型的信号源(激光、微波和X射线脉冲)的定时测量方法,以及基于自由空间链路和光纤的大型定时同步系统。最后简单讨论了目前定时系统的主要限制因素及未来可能的研究方向。

Precise timing has become a necessary technology for many large-scale advanced scientific facilities,and timing precision is a crucial for these instruments to achieve their ultimate goals.This study reviews recent advances in timing technologies,including timing characterization for different kinds of sources(lasers,microwaves,and X-ray pulses)and large-scale timing synchronization systems based on free-space links and optical fibers.Furthermore,the primary limitations of timing systems and the future research prospects are discussed herein.