• DocumentCode
    1353412
  • Title

    The past, present, and future of atomic time and frequency

  • Author

    Ramsey, Norman F.

  • Author_Institution
    Lyman Lab. of Phys., Harvard Univ., Cambridge, MA, USA
  • Volume
    79
  • Issue
    7
  • fYear
    1991
  • fDate
    7/1/1991 12:00:00 AM
  • Firstpage
    921
  • Lastpage
    926
  • Abstract
    The early history of atomic time and frequency standards is reviewed. The most accurate and stable present standards are described. Prospective future improvements, particularly with trapped ions and atoms, are discussed. A historical perspective on this topic is provided
  • Keywords
    atomic clocks; frequency measurement; measurement standards; reviews; time measurement; atomic standards; atomic time; frequency standards; measurement standards; trapped atoms; trapped ions; Atomic beams; Atomic clocks; Atomic measurements; Cooling; Gas lasers; Hydrogen; Laser stability; Masers; Radio frequency; Resonance;
  • fLanguage
    English
  • Journal_Title
    Proceedings of the IEEE
  • Publisher
    ieee
  • ISSN
    0018-9219
  • Type

    jour

  • DOI
    10.1109/5.84968
  • Filename
    84968