Towards a Raman-Ramsey Clock based on a Cold Cesium Beam

The continuous cold atomic clocks have the potential to overcome the Dick effect and to develop compact devices. In this paper, we present a process towards a Raman-Ramsey clock based on a continuous beam of cold cesium using optical separated oscillatory fields instead of a microwave cavity. The Ra...

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Bibliographic Details
Main Authors: Wu, Chenfei, Yan, Xueshu, Zhang, Jianwei, Wang, Lijun
Format: Conference Proceeding
Language:English
Subjects:
Continuous Cold Cesium Beam
Microwave clocks
Raman-Ramsey
Online Access:Request full text
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Summary:The continuous cold atomic clocks have the potential to overcome the Dick effect and to develop compact devices. In this paper, we present a process towards a Raman-Ramsey clock based on a continuous beam of cold cesium using optical separated oscillatory fields instead of a microwave cavity. The Raman-Ramsey fringes for clock transition are observed with a contrast of ∼68%, and the central fringe width is ∼175 Hz for the interaction-zone separation of 30 mm.
ISSN:2375-0448
DOI:10.1109/IFCS-ISAF41089.2020.9234851