A simple improved structure is designed to trap and launch two cold atomic balls vertically at the same time, which works like "two fountains", but is more compact since most components of the "two fountains" are shared. It is expected to improve the stability of the fountain markedly.
© 2011 Chinese Optics Letters
(020.7010) Atomic and molecular physics : Laser trapping
(120.3930) Instrumentation, measurement, and metrology : Metrological instrumentation
(020.1335) Atomic and molecular physics : Atom optics
Chunyan Shi, Rong Wei, Zichao Zhou, Tang Li, and Yuzhu Wang, "Proposal of a dual-ball atomic fountain clock," Chin. Opt. Lett. 9, 040201- (2011)