ICOFInternational Clock Comparisons via Optical Fiber |
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Participants:Physikalisch-Technische Bundesnastalt (PTB); Observatoire de Paris (LNE-SYRTE); National Physical Laboratory (NPL) Associated partners:Laboratoire de Physique des Lasers (LPL); Istituto Nazionale di Ricerca Metrologica (INRIM) Objective:To perform a state-of-the-art atomic clock comparison using the GÉANT long haul dark fibre link between NPL (London) and OBSPARIS (Paris). Approach:Europe has the highest density worldwide of laboratories in which state-of-the-art atomic clock development is underway. However, Europe’s unique position can only be fully exploited if the clocks can be compared internationally at the highest possible level of accuracy. Optical fibre links allow for time and frequency comparisons to be performed at a much higher level of accuracy and stability than that currently achievable by more conventional satellite links. The demonstration of a successful clock comparison between remote laboratories will have substantial impact on progress in the time and frequency metrology field as well as contribute to paving the way to further fundamental physics experiment, geodesy and other areas of science. Impact:Results of the ICOF project, in combination with the Joint Research Project NEAT-FT of the European Metrology Research Program, will enable improved clock comparisons within Europe, and the dissemination of highly accurate and stable frequency and timing signals to the user community for ground-breaking science and innovation. Deliverable:To view the final report of this Open Call project visit the resources library. |
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NewsICOF is developing more accurate international atomic clock comparisons using optical fibre |
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