Application of electromagnetically induced transparency for cold-atom velocimetry

We have employed an electromagnetically induced transparency resonance to demonstrate a technique to perform cold-atom velocimetry. It relies on the fact that the linewidth of this coherent resonance presents a residual Doppler broadening which is very sensitive to the angle between the coupling and...

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Bibliographic Details
Published in:Physical review. A, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2006-02, Vol.73 (2), Article 023422
Main Authors: dos Santos, F. B. M., Tabosa, J. W. R.
Format: Article
Language:English
Subjects:
ATOMIC AND MOLECULAR PHYSICS
ATOMS
CESIUM
COOLING
COUPLING
DOPPLER BROADENING
OPACITY
PHOTON-ATOM COLLISIONS
RESONANCE
VELOCITY
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Summary:We have employed an electromagnetically induced transparency resonance to demonstrate a technique to perform cold-atom velocimetry. It relies on the fact that the linewidth of this coherent resonance presents a residual Doppler broadening which is very sensitive to the angle between the coupling and probe beams. The method is demonstrated using a degenerate two-level system of laser-cooled cesium atoms.
ISSN:1050-2947
1094-1622
DOI:10.1103/PhysRevA.73.023422