Measurement of 87Rb Rydberg-state hyperfine splitting in a room-temperature vapor cell

Atreju Tauschinsky, Richard Newell, H. B. van Linden van den Heuvell, and R. J. C. Spreeuw
Phys. Rev. A 87, 042522 – Published 30 April 2013

Abstract

We present direct measurements of the hyperfine splitting of Rydberg states in 87Rb using electromagnetically induced transparency (EIT) spectroscopy in a room-temperature vapor cell. With this method, and in spite of Doppler broadening, linewidths of 3.7 MHz FWHM, i.e., significantly below the intermediate-state natural linewidth, are reached. This allows resolving hyperfine splittings for Rydberg s states with n=20,...,24. With this method we are able to determine Rydberg state hyperfine splittings with an accuracy of approximately 100 kHz. Ultimately, our method allows accuracies of order 5 kHz to be reached. Furthermore, we present a direct measurement of hyperfine-resolved Rydberg-state Stark shifts. These results will be of great value for future experiments relying on excellent knowledge of Rydberg-state energies and polarizabilities.

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  • Received 29 January 2013

DOI:https://doi.org/10.1103/PhysRevA.87.042522

©2013 American Physical Society

Authors & Affiliations

Atreju Tauschinsky*, Richard Newell, H. B. van Linden van den Heuvell, and R. J. C. Spreeuw

  • Van der Waals-Zeeman Institute, Institute of Physics, University of Amsterdam, PO Box 94485, 1090 GL Amsterdam, The Netherlands

  • *atreju.tauschinsky@uva.nl
  • r.j.c.spreeuw@uva.nl

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Issue

Vol. 87, Iss. 4 — April 2013

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