European Frequency and Time Forum

Wall-coated cells for Rb atomic clocks: Study of the ripening process by double-resonance spectroscopy

Matthieu Pellaton, C. Affolderbach, G. Mileti, Rahel Straessle, D. Briand, Nico F. de Rooij

Published Apr 1, 2012• 1 citation

Abstract

We present a study of our in-house made tetracontane wall-coated87Rb vapour cells for rubidium atomic clock applications. Evolution of the double-resonance (DR) signal during the so-called ripening process of these cells is measured and interpreted. Intrinsic properties of the coated cells post ripening are presented. Intrinsic linewidths below 70 Hz, and moderate temperature coefficients (1.5 × 10-10/K) are promising cell properties in view of highly compact and miniature atomic clocks.

DOI: 10.1109/eftf.2012.6502340

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