We realize a phase-stabilised optical fiber backbone that connects the Italian National Metrology Institute with two radio telescopes over a 600 km baseline. This allows referencing of Very Long Baseline Interferometry (VLBI) facilities with the best atomic frequency standards available today and the implementation of a common-clock architecture, which we are now using to assess VLBI ultimate performances
A Coherent Optical Fiber Link for Very Long Baseline Interferometry
Clivati, Cecilia;Aiello, Roberto;Bianco, Giuseppe;Di Sarno, Valentina;Maddaloni, Pasquale;Perini, Federico;Ricci, Roberto;Amato, Luigi Santamaria;De Cumis, Mario Siciliani;
2020
Abstract
We realize a phase-stabilised optical fiber backbone that connects the Italian National Metrology Institute with two radio telescopes over a 600 km baseline. This allows referencing of Very Long Baseline Interferometry (VLBI) facilities with the best atomic frequency standards available today and the implementation of a common-clock architecture, which we are now using to assess VLBI ultimate performancesFile in questo prodotto:
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