M. Das

activity

20142026

most citedFrequency ratio of Yb and Sr clocks with

5 \times 1 0^{- 17}

uncertainty at 150 s averaging time

222 citations · 314 across the 7 of their papers we have counts for

collaborators

Showing 2014 · physics.atom-phShow all

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physics.atom-ph2014

Cryogenic optical lattice clocks with a relative frequency difference of $1 \times 1 0^{- 18}$

Ichiro Ushijima, Masao Takamoto, Manoj Das +2

Time and frequency are the most accurately measurable quantities, providing foundations for science and modern technologies. The accuracy relies on the SI (Systéme International) s…

Cryogenic optical lattice clocks with a relative frequency difference of 1×10−18

Cryogenic optical lattice clocks with a relative frequency difference of $1 \times 1 0^{- 18}$