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Precision measurements with coherent dark resonances

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6 Author(s)
Wynands, R. ; Inst. of Appl. Phys., Bonn Univ., Germany ; Nagel, A. ; Graf, L. ; Brandt, S.
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Summary form only given.We consider coherent dark resonances in Cs vapor cells where the effective interaction time between atoms and light is increased through the addition of a buffer gas or through a coating of the cell walls with siloxane. The light sources are two diode lasers phase locked at 9.2 GHz frequency difference, corresponding to the hyperfine splitting of cesium. The phase-locked loop eliminates difference frequency jitter and leads to resonances narrower than 50 Hz, which can be applied to various precision experiments.

Published in:

Quantum Electronics Conference, 1998. IQEC 98. Technical Digest. Summaries of papers presented at the International

Date of Conference:

8-8 May 1998