2 papers
physics.atom-ph2019
Direct temperature determination of a sympathetically cooled large 113Cd+ ion crystal for a microwave clock
Y. N. Zuo, J. Z. Han, J. W. Zhang +1
This paper reports the direct temperature determination of sympathetically cooled 113Cd+ ions with laser-cooled 24Mg+ in a linear Paul trap. The sympathetically cooled ion species…
physics.ins-det2017
Suppression of Dick Effect in the Ramsey-CPT atomic clock by Interleaving Lock
X. L. Sun, J. W. Zhang, P. F. Cheng +2
For most passive atomic clocks, the Dick effect is one of the main limits to reach its frequency stability limitation due to quantum projection noise. In this paper, we demonstrate…