Atomic clocks refined with AWG cards in PXIe format
Around the world, hundreds of atomic clocks are continuously compared to establish the International Atomic Time (TAI). In Germany, the Physikalisch-Technische Bundesanstalt (PTB) contributes with two of the world’s leading caesium fountain clocks. Keeping these running, however, depends on sophisticated technology to cool down clouds of atoms with lasers to a few microkelvin and perform
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