Proceedings Of The 3rd Symposium On Frequency Standards And Metrology
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Frequency Standards
| Author | : Fritz Riehle |
| Publisher | : John Wiley & Sons |
| Total Pages | : 540 |
| Release | : 2006-03-06 |
| Genre | : Science |
| ISBN | : 3527605959 |
Of all measurement units, frequency is the one that may be determined with the highest degree of accuracy. It equally allows precise measurements of other physical and technical quantities, whenever they can be measured in terms of frequency. This volume covers the central methods and techniques relevant for frequency standards developed in physics, electronics, quantum electronics, and statistics. After a review of the basic principles, the book looks at the realisation of commonly used components. It then continues with the description and characterisation of important frequency standards from atomic clocks, to frequency stabilised lasers. The whole is rounded of with a discussion of topical applications in engineering, telecommunications, and metrology.
Frequency Standards And Metrology, Procs Of The 6th Symposium
| Author | : Patrick Gill |
| Publisher | : World Scientific |
| Total Pages | : 679 |
| Release | : 2002-05-24 |
| Genre | : Science |
| ISBN | : 9814488860 |
This book discusses the latest research ideas with application to frequency standards (e.g. optical clocks) and assesses ideas from previous symposia which have undergone critical analysis.
Publications of the National Institute of Standards and Technology ... Catalog
| Author | : National Institute of Standards and Technology (U.S.) |
| Publisher | : |
| Total Pages | : 480 |
| Release | : 1991 |
| Genre | : |
| ISBN | : |
Recent Advances in Metrology and Fundamental Constants
| Author | : Terry J. Quinn |
| Publisher | : IOS Press |
| Total Pages | : 886 |
| Release | : 2001 |
| Genre | : Science |
| ISBN | : 9781586031671 |
Over the last decade of the 20th century, many improvements took place in the field of metrology and fundamental constants. These developments and improvements are discussed in this book. The old caesium SI second definition has found a new realization with the fountain approach, replacing the classical thermal atomic beam. The use of cold atom techniques, slowed down and cooled, has opened a number of unexpected avenues for metrology and fundamental constants, one of these possibilities being the atom interferometry. Another development was the demonstration of the possiblility of performing a direct frequency division in the visible, using short femtosecond pulses. Many other developments are also discussed.
Publications
| Author | : United States. National Bureau of Standards |
| Publisher | : |
| Total Pages | : 788 |
| Release | : 1969 |
| Genre | : Government publications |
| ISBN | : |
The Quantum Physics of Atomic Frequency Standards
| Author | : Jacques Vanier |
| Publisher | : CRC Press |
| Total Pages | : 478 |
| Release | : 2015-08-05 |
| Genre | : Science |
| ISBN | : 1466576979 |
This volume covers advances in atomic frequency standards (atomic clocks) from the last several decades. It explains the use of techniques, such as laser optical pumping, coherent population trapping, laser cooling, and electromagnetic and optical trapping, in the implementation of classical microwave and optical atomic frequency standards. The authors describe the basic physics behind the operation of atomic clocks, explore new frequency standards that provide better stability and accuracy than conventional standards, and illustrate the application of atomic clocks in various areas.
Frequency Standards and Metrology
| Author | : Lute Maleki |
| Publisher | : World Scientific |
| Total Pages | : 597 |
| Release | : 2009 |
| Genre | : Science |
| ISBN | : 981283821X |
The Symposium on Frequency Standards and Metrology is an event held approximately every seven years, and is regarded as the premier conference in the field of advanced clocks and oscillators together with their applications in science and metrology. This series began with the first meeting at Universiteacute; Laval, Quebec Canada in 1971, and the last one was held in 2001 at the University of St. Andrews, Scotland. The 7th Symposium on Frequency Standards and Metrology is scheduled for October 5ndash;11, 2008 at the Asilomar Conference Grounds in Pacific Grove, California, USA. The Symposium is intended as a forum for bringing together international scientists and technologists engaged in the development of precise frequency standards and clocks, the study of their underlying physics, and their applications in metrology and tests of fundamental laws. The symposium has been traditionally held in a venue that promotes exchange of information on emerging ideas and latest achievements in the field, with a single-session approach which includes oral presentations by invitation, poster session(s) and keynote talks from internationally-recognized speakers. The program also includes social and other events aimed at promoting the exchange of technical and scientific information.
Relativistic Geodesy
| Author | : Dirk Puetzfeld |
| Publisher | : Springer |
| Total Pages | : 485 |
| Release | : 2019-02-09 |
| Genre | : Science |
| ISBN | : 3030115003 |
Due to steadily improving experimental accuracy, relativistic concepts – based on Einstein’s theory of Special and General Relativity – are playing an increasingly important role in modern geodesy. This book offers an introduction to the emerging field of relativistic geodesy, and covers topics ranging from the description of clocks and test bodies, to time and frequency measurements, to current and future observations. Emphasis is placed on geodetically relevant definitions and fundamental methods in the context of Einstein’s theory (e.g. the role of observers, use of clocks, definition of reference systems and the geoid, use of relativistic approximation schemes). Further, the applications discussed range from chronometric and gradiometric determinations of the gravitational field, to the latest (satellite) experiments. The impact of choices made at a fundamental theoretical level on the interpretation of measurements and the planning of future experiments is also highlighted. Providing an up-to-the-minute status report on the respective topics discussed, the book will not only benefit experts, but will also serve as a guide for students with a background in either geodesy or gravitational physics who are interested in entering and exploring this emerging field.
