Spectroscopy and hyperfine clock frequency shift measurements in Cs vapor cells coated with octadecyltrichlorosilanes (OTS)

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TitreSpectroscopy and hyperfine clock frequency shift measurements in Cs vapor cells coated with octadecyltrichlorosilanes (OTS)
Type de publicationConference Paper
Year of Publication2015
AuteursHafiz MAbdel, Maurice V, Chutani R, Passilly N, Gorecki C, Guerandel S, de Clercq E, Boudot R
Conference Name2015 JOINT CONFERENCE OF THE IEEE INTERNATIONAL FREQUENCY CONTROL SYMPOSIUM & THE EUROPEAN FREQUENCY AND TIME FORUM (FCS)
PublisherIEEE; UFFC; EFTF
Conference Location345 E 47TH ST, NEW YORK, NY 10017 USA
ISBN Number978-1-4799-8866-2
Résumé

We report the characterization using coherent population trapping (CPT) spectroscopy of an octadecyltrichlorosilane (OTS)-coated centimeter-scale Cs vapor cell. The Iinewidth of the narrow CPT resonance is compared to the Iinewidth of an evacuated Cs cell of similar size. The Cs-OTS adsorption energy is measured to be (0.42 +/- 0.03) eV. A hyperfine population lifetime, T-1 of 1.6 ms is reported, corresponding to about 37 useful bounces. Ramsey CPT fringes are detected using a pulsed CPT interrogation scheme.