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Proceedings Paper

Performance of a GaAlAs laser diode stabilized on a hyperfine component of two-photon transitions in rubidium at 778 nm
Author(s): Raymond Felder; D. Touahri; Ouali Acef; L. Hilico; Jean-Jacques Zondy; Andre Clairon; Beatrice de Beauvoir; Francois Biraben; Lucile Julien; Francois Nez; Yves P. Millerioux
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Paper Abstract

The absolute frequency measurement of each hyperfine component of the 5S3/2 and 5S5/2 levels in rubidium was done at ENS more than one year ago using Ti-Sa lasers. We built two devices based on diode lasers to study some metrological properties. We measure the frequency differences between hyperfine components of the 5S5/2 level and we calculate the corresponding hyperfine constants. We also measure the frequency interval between the 5S3/2 and 5S5/2 levels using a Schottky diode. The measured stability in terms of Allan variance is 3*10-13t-1/2 up to 2000 s. The light shift is investigated and the difference between our two systems is 1.7 kHz. The repeatability of one system is better than 10-12 and will allow the absolute frequency measurement at this level via the LPTF frequency synthesis chain.

Paper Details

Date Published: 26 April 1995
PDF: 6 pages
Proc. SPIE 2378, Laser Frequency Stabilization and Noise Reduction, (26 April 1995); doi: 10.1117/12.208244
Show Author Affiliations
Raymond Felder, Bureau International des Poids et Mesures (France)
D. Touahri, Lab. Primaire du Temps et des Frequences (France)
Ouali Acef, Lab. Primaire du Temps et des Frequences (France)
L. Hilico, Lab. Primaire du Temps et des Frequences (France)
Jean-Jacques Zondy, Lab. Primaire du Temps et des Frequences (France)
Andre Clairon, Lab. Primaire du Temps et des Frequences (France)
Beatrice de Beauvoir, ENS/Univ. de Paris VI (France)
Francois Biraben, ENS/Univ. de Paris VI (France)
Lucile Julien, ENS/Univ. de Paris VI (France)
Francois Nez, ENS/Univ. de Paris VI (France)
Yves P. Millerioux, Institut National de Metrologie (France)


Published in SPIE Proceedings Vol. 2378:
Laser Frequency Stabilization and Noise Reduction
Yaakov Shevy, Editor(s)

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