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Issue Eur. Phys. J. D
Volume 13, Number 2, February 2001
Page(s) 221 - 229
DOI 10.1007/s100530170270



Eur. Phys. J. D 13, 221-229

Implementation of a sapphire cell with external electrodes for laser excitation of a forbidden atomic transition in a pulsed E-field

E. Jahier, J. Guéna, Ph. Jacquier, M. Lintz and M.A. Bouchiat

Laboratoire Kastler Brossel (Laboratoire de l'École Normale Supérieure et de l'université Pierre et Marie Curie, associé au CNRS (UMR 8552).) , Département de Physique de l'École Normale Supérieure, 24 rue Lhomond, 75231 Paris Cedex 05, France.

marianne@lkb.ens.fr

(Received 15 September 2000)

Abstract
We demonstrate the production of an electric field inside a high temperature cesium vapor cell with external electrodes. This external control of the electric field, which is not possible with a glass cell in presence of a cesium vapor, is achieved using a cell made of sapphire, and is of particular interest for our ongoing Parity Violation experiment. We describe the main components and the implementation on the set-up, including the pulsed high voltage generator. With pulse duration not exceeding 200 ns the system provides a reversible longitudinal E-field of up to 2 kV/cm in the vapor at a density of $\sim 2\times 10^{14}$ at/cm3 without discharge. Atomic signals attest the application of the electric field in the cell, with the predicted value. Further improvements obtained with sapphire cells are also presented.

PACS
32.80.Ys - Weak-interaction effects in atoms.
33.55.Be - Zeeman and Stark effects.
41.20.Cv - Electrostatics; Poisson and Laplace equations, boundary-value problems.


© EDP Sciences, Società Italiana di Fisica, Springer-Verlag 2001


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