21 citations · 21 across the 4 of their papers we have counts for
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High-Performance Microwave Frequency Standard Based on Sympathetically Cooled Ions
Hao-Ran Qin, Sheng-Nan Miao, Ji-Ze Han +4
The ion microwave frequency standard is a candidate for the next generation of microwave frequency standard with the potential for very wide applications. The Dick effect and secon…
Progress toward a microwave frequency standard based on laser-cooled large scale 171Yb+ ion crystal
N. C. Xin, H. R. Qin, S. N. Miao +4
We report on progress towards a microwave frequency standard based on a laser-cooled 171Yb+ ion trap system. The electronics, lasers, and magnetic shields are integrated into a sin…
Precision determination of the ground-state hyperfine splitting of trapped Cd ions
S. N. Miao, J. W. Zhang, H. R. Qin +3
We measured the ground-state hyperfine splitting of trapped Cd ions to be 15199862855.02799(27) Hz with a fractional uncertainty of . The ions…
Sympathetic cooling of Cd by laser-cooled Ca in a linear Paul trap for Microwave Ion Clocks
J. Z. Han, H. R. Qin, L. M. Guo +6
We report sympathetic cooling of Cd by laser-cooled Ca in a linear Paul trap for microwave clocks. Long-term low-temperature confinement of Cd io…