About the accuracy evaluation of the LPTF cesium fountain frequency standard

Summary form only given, as follows.Summary form only given, as follows. A laser cooled atomic Cs fountain frequency standard is now in operation at LPTF. Actually, the measured frequency stability is /spl sim/2.10/sup -13//spl tau//sup -1/2/ limited by the frequency noise of the local oscillator. M...

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Bibliographic Details
Main Authors: Ghezali, S., Laurent, P., Lea, S.N., Santarelii, G., Bahoura, M., Simon, E., Weyers, S., Szymaniec, K.
Format: Conference Proceeding
Language:English
Subjects:
Atom lasers
Atomic beams
Atomic measurements
Current measurement
Frequency measurement
Laser noise
Local oscillators
Noise measurement
Stability
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Summary:Summary form only given, as follows.Summary form only given, as follows. A laser cooled atomic Cs fountain frequency standard is now in operation at LPTF. Actually, the measured frequency stability is /spl sim/2.10/sup -13//spl tau//sup -1/2/ limited by the frequency noise of the local oscillator. Measurements are currently limited at 2.10/sup -15/ given by the resolution of the H-maser. The preliminary accuracy, estimated at 3.10/sup -15/, is discussed. The advance of the 2D Raman velocity selection is given.
DOI:10.1109/CPEM.1996.547323