A 920-Kilometer Optical Fiber Link for Frequency Metrology at the 19th Decimal Place
Predehl, K. ; Grosche, G. ; Raupach, S. M. F. ; Droste, S. ; Terra, O. ; Alnis, J. ; Legero, Th ; Hänsch, T. W. ; Udem, Th ; Holzwarth, R. ; Schnatz, H.
Science (American Association for the Advancement of Science), 2012-04, Vol.336 (6080), p.441-444 [Periódico revisado por pares]Washington, DC: American Association for the Advancement of Science
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