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WANG Li-Jun. High precision synchronization of time and frequency and its applications[J]. PHYSICS, 2014, 43(06): 360-363. DOI: 10.7693/wl20140601
Citation: WANG Li-Jun. High precision synchronization of time and frequency and its applications[J]. PHYSICS, 2014, 43(06): 360-363. DOI: 10.7693/wl20140601
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High precision synchronization of time and frequency and its applications

  • (1 Joint Institute for Measurement Science,Department of Precision Instruments,Tsinghua University,Beijing 100084,China)

  • (2 Department of Physics,Tsinghua University,Beijing 100084,China)

  • (3 State Key Laboratory of Precision Measurement Technology and Instruments,Department of Precision Instrument,Tsinghua University,Beijing 100084,China)

  • (4 National Institute of Metrology,Beijing 100013,China)

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  • Received Date: April 26, 2014
  • Published Date: June 11, 2014
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    • Abstract
  • We discuss the concept and methods for remote synchronization of time and frequency.We discuss a recent experiment that demonstrated time and frequency synchronization via a commercial fiber network, reaching accuracy of 7×10－15/s, 5×10－19/day, and a maximum time uncertainty of less than 50 femtoseconds. We discuss synchronization methods applicable to different topologies and their important scientific applications.
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