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The Measurement of Time

The Measurement of Time
Time, Frequency and the Atomic Clock

  • Date Published: October 2001
  • availability: Available
  • format: Paperback
  • isbn: 9780521003971


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About the Authors
  • This volume is a comprehensive introduction to the physics of time and time measurement, from an historical perspective to the modern day. It discusses the stability and accuracy of atomic frequency standards, covering different types of oscillators and atomic clocks, and their uses. The precision of atomic clocks and the atomic time scale are considered in the context of fundamental physical research, with relation to general relativity and applications such as the Global Positioning System. The authors also discuss International Atomic Time and its relationship to Coordinated Universal Time and the time scales used in astronomy.

    • Provides a unique insight into the measurement of time and its applications
    • Covers the underlying physics at the most precise metrological level
    • Discusses the accuracy and uses of oscillators and atomic clocks, as well as applications such as the Global Positioning System
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    Reviews & endorsements

    "Pleasant to read...a good reference..." Physics Today

    "The authors explain atomic and astronomical time in enough detail and interlace enough basic physics to make the information extremely useful to readers who know some basic physics but are otherwise unfamiliar with the accurate measurement of time...The Measurement of Time is pleasant to read, and provides the basic information required for understanding the concepts of time measurement. It should guide the engineer involved in system design in which timing is critical, and should help the graduate student gain insight into the whole field. Finally, the text should be useful to anyone who wants to quickly obtain a general idea of time measurement. It is a good reference to have on one's personal bookshelf." Physics Today Jan 2003

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    Product details

    • Date Published: October 2001
    • format: Paperback
    • isbn: 9780521003971
    • length: 348 pages
    • dimensions: 229 x 154 x 16 mm
    • weight: 0.59kg
    • contains: 70 b/w illus. 8 tables
    • availability: Available
  • Table of Contents

    1. Introduction to the book
    2. The principles of time measurement
    3. Time measurement and theoretical models
    4. The evolution of time measurement
    5. Clock time
    6. Atomic frequency standards
    7. Atomic time measurement
    8. Astronomical times
    9. Ultraprecise time and frequency applications

  • Authors

    Claude Audoin, Centre National de la Recherche Scientifique (CNRS), Paris
    Claude Audoin received his doctorate in physics from the Université Paris Sud in 1967. He was Director of the Laboratoire de l'Horloge Atomique, Orsay, from 1972 to 1985 and managed research programmes related to hydrogen masers, optically pumped cesium beams, trapped ions, frequency stabilised lasers and frequency metrology. He has published numerous papers on the subject of atomic frequency standards and their metrological properties, and is co-author of a previous book covering the quantum physics of atomic frequency standards. Dr Audoin is also on the editorial board of Metrologia and is a member of the Bureau des Longitudes.

    Bernard Guinot, Observatoire de Paris
    Bernard Guinot was an officer in the merchant navy before receiving his masters degree in mathematics in 1952. He then joined the Paris Observatory and in 1958 received the Doctorat d'Etat. His research was devoted to fundamental astronomy, space geodesy and the measurement of time, and he is the author of numerous papers on these subjects. From 1964 to 1988, Dr Guinot was Director of the Bureau International de l'Heure, where he was involved in the transition to modern techniques for measuring the rotation of the Earth and the development of International Atomic Time, which is now under the responsibility of the Bureau International des Poids et Mesures. He is a member of the Bureau des Longitudes and the Academia Europaea.


    Stephen Lyle

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