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https://hdl.handle.net/2440/101093
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dc.contributor.author | Santarelli, G. | - |
dc.contributor.author | Laurent, P. | - |
dc.contributor.author | Lemonde, P. | - |
dc.contributor.author | Clairon, A. | - |
dc.contributor.author | Mann, A.G. | - |
dc.contributor.author | Chang, S. | - |
dc.contributor.author | Luiten, A.N. | - |
dc.contributor.author | Salomon, C. | - |
dc.date.issued | 1999 | - |
dc.identifier.citation | Physical Review Letters, 1999; 82(23):4619-4622 | - |
dc.identifier.issn | 0031-9007 | - |
dc.identifier.issn | 1079-7114 | - |
dc.identifier.uri | http://hdl.handle.net/2440/101093 | - |
dc.description.abstract | We describe the operation of a laser cooled cesium fountain clock in the quantum limited regime. An ultrastable cryogenic sapphire oscillator is used to measure the short-term frequency stability of the fountain as a function of the number of detected atoms Nat. For Nat varying from 4 × 104 to 6 × 105 the Allan standard deviation of the frequency fluctuations is in excellent agreement with the Nat-1/2 law of atomic projection noise. With 6 × 105 atoms, the relative frequency stability is 4 × 10-14τ-1/2where Τ is the integration time in seconds. This is the best short-term stability ever reported for primary frequency standards, a factor of 5 improvement over previous results. © 1999 The American Physical Society. | - |
dc.description.statementofresponsibility | G. Santarelli, Ph. Laurent, P. Lemonde, and A. Clairon, A. G. Mann, S. Chang, and A. N. Luiten, C. Salomon | - |
dc.language.iso | en | - |
dc.publisher | American Physical Society | - |
dc.rights | © 1999 The American Physical Society | - |
dc.source.uri | http://dx.doi.org/10.1103/physrevlett.82.4619 | - |
dc.title | Quantum projection noise in an atomic fountain: a high stability cesium frequency standard | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1103/PhysRevLett.82.4619 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Luiten, A.N. [0000-0001-5284-7244] | - |
Appears in Collections: | Aurora harvest 7 IPAS publications |
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