Efficient Two-dimensional Subrecoil Raman Cooling of Atoms in a Tripod Configuration

Efficient Two-dimensional Subrecoil Raman Cooling of Atoms in a Tripod Configuration

We present an efficient method for subrecoil cooling of neutral atoms by applying Raman cooling in 2D to a four-level tripod-system. The atoms can be cooled simultaneously in two directions using only three laser beams. We describe the cooling process with a simple model showing that the momentum di...

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Veröffentlicht in:arXiv.org 2010-12
Hauptverfasser: Ivanov, Vladimir S, Rozhdestvensky, Yuri V, Suominen, Kalle-Antti
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Cooling
Laser beams
Laser cooling
Neutral atoms
Physics - Atomic Physics
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Suominen, Kalle-Antti
description We present an efficient method for subrecoil cooling of neutral atoms by applying Raman cooling in 2D to a four-level tripod-system. The atoms can be cooled simultaneously in two directions using only three laser beams. We describe the cooling process with a simple model showing that the momentum distribution can be rapidly narrowed to velocity spread down to \(0.1v_\text{rec}\), corresponding to effective temperature equal to \(0.01T_\text{rec}\). This method opens new possibilities for cooling of neutral atoms.
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subjects Cooling
Laser beams
Laser cooling
Neutral atoms
Physics - Atomic Physics
title Efficient Two-dimensional Subrecoil Raman Cooling of Atoms in a Tripod Configuration
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