First results with a cold cesium continuous fountain resonator

We report on the design, construction, and preliminary measurements on the resonator of a continuous Cs fountain frequency standard. The construction of the resonator is described, preliminary measurements of the available atomic flux, and of the beam temperature are presented, along with the first...

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Bibliographic Details
Published in:IEEE transactions on instrumentation and measurement 2001-04, Vol.50 (2), p.510-514
Main Authors: Dudle, G., Joyet, A., Berthoud, P., Mileti, G., Thomann, P.
Format: Article
Language:English
Subjects:
Aliasing
Atom optics
Atomic beams
Atomic measurements
Clouds
Construction
Flux
Frequency
Frequency standards
Instrumentation
Intermodulation
Interrogation
Optical pulses
Optical resonators
Resonators
Stability
Structural beams
Temperature
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Summary:We report on the design, construction, and preliminary measurements on the resonator of a continuous Cs fountain frequency standard. The construction of the resonator is described, preliminary measurements of the available atomic flux, and of the beam temperature are presented, along with the first Ramsey fringes (width /spl sime/1 Hz) obtained in this new type of fountain. We discuss theoretical aspects of the interrogation scheme with a special view on how aliasing or intermodulation effects are suppressed in a continuous fountain.
ISSN:0018-9456
1557-9662
DOI:10.1109/19.918179