Project supported by the National Key Basic Research and Development Program of China(Grant Nos.2016YFA0302103,2017YFF0212003,and 2016YFB0501601);the Municipal Science and Technology Major Project of Shanghai,China(Grant No.2019SHDZX01);the National Natural Science Foundation of China(Grant No.11134003);the Excellent Academic Leaders Program of Shanghai,China(Grant No.12XD1402400).
The optical atomic clocks have the potential to transform global timekeeping,relying on the state-of-the-art accuracy and stability,and greatly improve the measurement precision for a wide range of scientific and tech...
Project supported by the National Key Basic Research and Development Program of China(Grant Nos.2012CB821302 and 2016YFA0302103);the National Natural Science Foundation of China(Grant No.11134003);the National High Technology Research and Development Program of China(Grant No.2014AA123401);the Shanghai Excellent Academic Leaders Program of China(Grant No.12XD1402400)
We develop a permanent-magnet Zeeman slower with adjustable magnets along the longitudinal and radial directions.Produced by four arrays of cylindrical magnets, the longitudinal magnetic field in the slower is tunable...
supported by the National Key Basic Research and Development Program of China(Grant No.2012CB821302);the National Natural Science Foundation of China(Grant No.11134003);the National High Technology Research and Development Program of China(Grant No.2014AA123401);the Shanghai Excellent Academic Leaders Program of China(Grant No.12XD1402400)
We accurately evaluate the blackbody-radiation shift in a171 Yb optical lattice clock by utilizing temperature measurement and numerical simulation. In this work. three main radiation sources are considered for the bl...