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1901 2009
Prize category:
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The Nobel Prize in Physics 2005
Roy J. Glauber, John L. Hall, Theodor W. Hänsch
The Nobel Prize in Physics 2005
Nobel Prize Award Ceremony
Roy J. Glauber
John L. Hall
Theodor W. Hänsch
Nobel Lecture
Defining and Measuring Optical Frequencies: The Optical Clock Opportunity – and More
John L. Hall held his Nobel Lecture December 8, 2005, at Aula Magna, Stockholm University. He was presented by Professor Sune Svanberg, Chairman of the Nobel Committee for Physics.
Summary: A historical account of mechanical clockworks is followed by an in-depth survey of methods to measure optical frequencies with very high resolution. The evolution of the experimental programme at JILA, University of Colorado, is described in detail. The re-definition of metre is discussed.
49 sec.
Nobel Lecture
45 min.
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Copyright © Nobel Web AB 2005
Credits: World Television Sweden AB (production)
Copyright © Nobel Web AB 2005
Credits: World Television Sweden AB (production)
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Copyright © The Nobel Foundation 2005
From Les Prix Nobel. The Nobel Prizes 2005, Editor Karl Grandin, [Nobel Foundation], Stockholm, 2006
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MLA style: "John L. Hall - Nobel Lecture". Nobelprize.org. 6 Sep 2010 http://nobelprize.org/nobel_prizes/physics/laureates/2005/hall-lecture.html
MLA style: "John L. Hall - Nobel Lecture". Nobelprize.org. 6 Sep 2010 http://nobelprize.org/nobel_prizes/physics/laureates/2005/hall-lecture.html
