Microstructured Switchable Mirror for Polar Molecules

Stephan A. Schulz, Hendrick L. Bethlem, Jacqueline van Veldhoven, Jochen Küpper, Horst Conrad, and Gerard Meijer
Phys. Rev. Lett. 93, 020406 – Published 9 July 2004

Abstract

By miniaturizing electrode geometries high electric fields can be produced using modest voltages. A planar array of 20   μm wide gold electrodes, spaced 20   μm apart, is made on a sapphire substrate. A voltage difference of up to 350 V is applied to adjacent electrodes, generating an electric field that decreases exponentially with distance from the substrate. This microstructured array can be used as a mirror for polar molecules and can be rapidly switched on and off. This is demonstrated by retro­reflecting a beam of state-selected ammonia molecules with a forward velocity of about 30m/s.

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  • Received 27 January 2004

DOI:https://doi.org/10.1103/PhysRevLett.93.020406

©2004 American Physical Society

Authors & Affiliations

Stephan A. Schulz, Hendrick L. Bethlem, Jacqueline van Veldhoven, Jochen Küpper, Horst Conrad, and Gerard Meijer

  • Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, D-14195 Berlin, Germany
  • and FOM-Institute for Plasmaphysics Rijnhuizen, P.O. Box 1207, NL-3430 BE Nieuwegein, The Netherlands

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Issue

Vol. 93, Iss. 2 — 9 July 2004

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