This file was created by the TYPO3 extension bib --- Timezone: CEST Creation date: 2023-06-02 Creation time: 21-16-59 --- Number of references 15 article FalkeSWMVWLGRSL2011 The <sup>87</sup>Sr optical frequency standard at PTB Metrologia 2011 48 399 - 407 St.Falke H.Schnatz J. S. R. V.Winfred Th.Middelmann St.Vogt S.Weyers B.Lipphardt G.Grosche F.Riehle U.Sterr Ch.Lisdat article PapeTFRWRPLLSG2010 Long-distance remote comparison of ultrastable optical frequencies with 10<sup>-15</sup> instability in fractions of a second Opt. Express 2010 18 20 21477 - 2183 O.Pape J.Terra M.Friebe T.Riedmann E. M.Wübbena K.Rasel T.Predehl B.Legero B.Lipphardt H.Schnatz G.Grosche article TerraGS2010 Brillouin amplification in phase coherent transfer of optical frequencies over 480 km fiber Opt. Express 2010 18 16102 - 16111 O.Terra G.Grosche H.Schnatz article GroscheTPHLVSS2009 Optical frequency transfer via 146 km fiber link with 10<sup>-19</sup> relative accuracy Opt. Lett. 2009 34 2270 - 2272 G.Grosche O.Terra K.Predehl R.Holzwarth B.Lipphardt F.Vogt U.Sterr H.Schnatz article TerraGPHLSLS2009 Phase- coherent comparison of two optical frequency standards over 146 km using a telecommunication fiber link Appl. Phys. B 2009 97 541 - 551 O.Terra G.Grosche K.Predehl R.Holzwarth T.Legero U.Sterr B.Lipphardt H.Schnatz article PiesterS2009 Novel Techniques for remote Time and frequency comparisons special issue PTB-Mitteilungen 2009 119 33 - 44 D.Piester H.Schnatz article WeyersLS2009 Reaching the quantum limit in a fountain clock using a microwave oscillator phase locked to an ultrastable laser Phys. Rev. A 2009 79 031803(R) S.Weyers B.Lipphardt H.Schnatz article LipphardtGSTWS2009 The stability of an optical clock laser transferred to the interrogation oscillator for a Cs fountain IEEE Trans. Instrum. Meas. 2009 IM-58 1258-1262 B.Lipphardt G.Grosche U.Sterr Chr.Tamm S.Weyers H.Schnatz article GroscheLS2008 Optical frequency synthesis and measurement using fibre-based femtosecond lasers Eur. Phys. J. D 2008 48 27 - 33 G.Grosche B.Lipphardt H.Schnatz article BaillardFLWLCARLRBSCLGLS2008 An optical lattice clock with spin-polarized 87Sr atoms Eur. Phys. J. D 2008 48 11 - 17 X.Baillard M.Fouché R.Le Targat P.Westergaard A.Lecallier F.Chapelet M.Abgrall G.Rovera P.Laurent P.Rosenbusch S.Bize G.Santarelli A.Clairon P.Lemonde G.Grosche B.Lipphardt H.Schnatz article FriebePRMMRLRESLG2008 Absolute frequency measurement of the magnesium intercombination transition <sup>1</sup>S<sub>0</sub> &rarr; <sup>3</sup>P<sub>1</sub> Physical Review A 2008 78 033830 J.Friebe A.Pape M.Riedmann K.Moldenhauer T.Mehlstäuber N.Rehbein C.Lisdat E.Rasel W.Ertmer H.Schnatz B.Lipphardt G.Grosche article KubinaAGHHLS2005 Long term comparison of two fiberbased frequency comb systems Optics Express 2005 13 904 - 909 P.Kubina P.Adel G.Grosche T. W.Hänsch R.Holzwarth B.Lipphardt H.Schnatz article PeikLSSTK2004 New limit on the present temporal variation of the fine structure constant Phys. Rev. Lett. 2004 93 170801 E.Peik B.Lipphardt H.Schnatz T.Schneider Chr.Tamm S. G.Karshenboim article StengerSTT2002 Ultraprecise Measurement of Optical Frequency Ratios Phys. Rev. Lett. 2002 88 7 073601 J.Stenger H.Schnatz Chr.Tamm H. R.Telle article SchnatzLHRZ1996 First phase- coherent frequency measurement of visible radiation Phys. Rev. Lett. 1996 76 18 H.Schnatz B.Lipphardt J.Helmcke F.Riehle G.Zinner