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Transportable Optical Lattice Clock with 7×10^{-17} Uncertainty.
Koller SB, Grotti J, Vogt S, Al-Masoudi A, Dörscher S, Häfner S, Sterr U, Lisdat C. Koller SB, et al. Among authors: hafner s. Phys Rev Lett. 2017 Feb 17;118(7):073601. doi: 10.1103/PhysRevLett.118.073601. Epub 2017 Feb 13. Phys Rev Lett. 2017. PMID: 28256845
Ultra-stable clock laser system development towards space applications.
Świerad D, Häfner S, Vogt S, Venon B, Holleville D, Bize S, Kulosa A, Bode S, Singh Y, Bongs K, Rasel EM, Lodewyck J, Le Targat R, Lisdat C, Sterr U. Świerad D, et al. Among authors: hafner s. Sci Rep. 2016 Sep 26;6:33973. doi: 10.1038/srep33973. Sci Rep. 2016. PMID: 27667640 Free PMC article.
Comparing ultrastable lasers at 7 × 10-17 fractional frequency instability through a 2220 km optical fibre network.
Schioppo M, Kronjäger J, Silva A, Ilieva R, Paterson JW, Baynham CFA, Bowden W, Hill IR, Hobson R, Vianello A, Dovale-Álvarez M, Williams RA, Marra G, Margolis HS, Amy-Klein A, Lopez O, Cantin E, Álvarez-Martínez H, Le Targat R, Pottie PE, Quintin N, Legero T, Häfner S, Sterr U, Schwarz R, Dörscher S, Lisdat C, Koke S, Kuhl A, Waterholter T, Benkler E, Grosche G. Schioppo M, et al. Among authors: hafner s. Nat Commun. 2022 Jan 11;13(1):212. doi: 10.1038/s41467-021-27884-3. Nat Commun. 2022. PMID: 35017500 Free PMC article.
A clock network for geodesy and fundamental science.
Lisdat C, Grosche G, Quintin N, Shi C, Raupach SM, Grebing C, Nicolodi D, Stefani F, Al-Masoudi A, Dörscher S, Häfner S, Robyr JL, Chiodo N, Bilicki S, Bookjans E, Koczwara A, Koke S, Kuhl A, Wiotte F, Meynadier F, Camisard E, Abgrall M, Lours M, Legero T, Schnatz H, Sterr U, Denker H, Chardonnet C, Le Coq Y, Santarelli G, Amy-Klein A, Le Targat R, Lodewyck J, Lopez O, Pottie PE. Lisdat C, et al. Among authors: hafner s. Nat Commun. 2016 Aug 9;7:12443. doi: 10.1038/ncomms12443. Nat Commun. 2016. PMID: 27503795 Free PMC article.
1.5  μm Lasers with Sub-10 mHz Linewidth.
Matei DG, Legero T, Häfner S, Grebing C, Weyrich R, Zhang W, Sonderhouse L, Robinson JM, Ye J, Riehle F, Sterr U. Matei DG, et al. Among authors: hafner s. Phys Rev Lett. 2017 Jun 30;118(26):263202. doi: 10.1103/PhysRevLett.118.263202. Epub 2017 Jun 28. Phys Rev Lett. 2017. PMID: 28707932
342 results