Optical fiber links offer the best performance to transfer time and frequency. They are beneficial to primary metrology, and there is a strong effort to develop a European network of T&F fiber links. In Italy, we realized a coherent optical fiber link from the National Metrological Institute INRIM to the INAF radio-antennas in Medicina, Bologna and the physics laboratories in Sesto Fiorentino, for a total haul of 642 km. We demonstrated the transfer of primary frequency references to the radio-antenna in Medicina, with potential impact for future development in radioastronomy and VLBI. The extension of this link targets to arrive to Matera, at the Space Geodesy Center of ASI. We describe here the space metrology interests of the optical fiber link, the present set-up of the experiment the preliminary results and the future developments.


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    Titel :

    Time and frequency optical fiber links for space metrology


    Beteiligte:
    Calonico, D. (Autor:in) / Clivati, C. (Autor:in) / Frittelli, M. (Autor:in) / Mura, A. (Autor:in) / Zucco, M. (Autor:in) / Levi, F. (Autor:in) / Perini, F. (Autor:in) / Bortolotti, C. (Autor:in) / Roma, M. (Autor:in) / Ambrosini, R. (Autor:in)


    Erscheinungsdatum :

    01.06.2015


    Format / Umfang :

    482805 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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