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  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1989),
  • paper TUGG11

Precision mapping of dc electric fields using interference-narrowed Stark resonances

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Abstract

We have developed a new technique for mapping electrostatic fields with unprecedented spatial resolution and have used it for fields of a few kV/ cm. The method exploits interference narrowing of linewidths or lifetime enhancement of Stark states. For alkali atoms at energies near the classical saddle point, electric field ionization occurs primarily by the coupling of quasidiscrete hydrogenic Stark states with continua.

© 1989 Optical Society of America

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