An Optical Lattice Clock with Spin-polarized 87Sr Atoms

Andr\'e Clairon (SYRTE); Arnaud Lecallier (SYRTE); Burghard Lipphardt (PTB); Fr\'ed\'eric Chapelet (SYRTE); Gesine Grosche (PTB); Giorgio Santarelli (SYRTE); Giovanni D. Rovera (SYRTE); Harald Schnatz (PTB); Mathilde Fouch\'e (SYRTE); Michel Abgrall (SYRTE)

arxiv: 0710.0086 · v1 · submitted 2007-09-29 · ⚛️ physics.atom-ph

An Optical Lattice Clock with Spin-polarized 87Sr Atoms

Xavier Baillard (SYRTE) , Mathilde Fouch\'e (SYRTE) , Rodolphe Le Targat (SYRTE) , Philip G. Westergaard (SYRTE) , Arnaud Lecallier (SYRTE) , Fr\'ed\'eric Chapelet (SYRTE) , Michel Abgrall (SYRTE) , Giovanni D. Rovera (SYRTE)

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Philippe Laurent (SYRTE) Peter Rosenbusch (SYRTE) S\'ebastien Bize (SYRTE) Giorgio Santarelli (SYRTE) Andr\'e Clairon (SYRTE) Pierre Lemonde (SYRTE) Gesine Grosche (PTB) Burghard Lipphardt (PTB) Harald Schnatz (PTB)

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classification ⚛️ physics.atom-ph

keywords clockaccuracyatomsfrequencylatticeopticalagreementcomparable

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We present a new evaluation of an 87Sr optical lattice clock using spin polarized atoms. The frequency of the 1S0-3P0 clock transition is found to be 429 228 004 229 873.6 Hz with a fractional accuracy of 2.6 10^{-15}, a value that is comparable to the frequency difference between the various primary standards throughout the world. This measurement is in excellent agreement with a previous one of similar accuracy.

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An Optical Lattice Clock with Spin-polarized 87Sr Atoms

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