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Three Dimensional Raman Cooling using Velocity Selective Rapid Adiabatic Passage

Abstract:

We present a new and efficient implementation of Raman cooling of trapped atoms. It uses Raman pulses with an appropriate frequency chirp to realize a velocity selective excitation through a rapid adiabatic passage. This method allows to address in a single pulse a large number of non zero atomic velocity classes and it produces a nearly unity transfer efficiency. We demonstrate this cooling method using cesium atoms in a far-detuned crossed dipole trap. Three-dimensional cooling of $1 \times...

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Atomic & Laser Physics
Role:
Author
Publication date:
2011-09-24
Pubs id:
pubs:196143
UUID:
uuid:cf47eb41-a65c-4027-8883-8378208e239c
Local pid:
pubs:196143
Source identifiers:
196143
Deposit date:
2012-12-20

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