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physics.atom-ph2014★ 49 cited
Spectroscopy and frequency measurement of the Sr clock transition by laser linewidth transfer using an optical frequency comb
Daisuke Akamatsu, Hajime Inaba, Kazumoto Hosaka +5
We perform spectroscopic observations of the 698-nm clock transition in Sr confined in an optical lattice using a laser linewidth transfer technique. A narrow-linewidth lase…
physics.atom-ph2008★ 114 cited
Measuring the frequency of a Sr optical lattice clock using a 120-km coherent optical transfer
F. -L. Hong, M. Musha, M. Takamoto +11
We demonstrate a precision frequency measurement using a phase-stabilized 120-km optical fiber link over a physical distance of 50 km. The transition frequency of the 87Sr optical…