Transverse laser cooling of two-level particle beams

The ability of laser cooling for relativistic ion beams is investigated. For this purpose, the excitation of relativistic ions with a continuous wave and a pulsed laser is analyzed, utilizing the optical Bloch equations. The laser cooling force is derived in detail and its scaling with the relativistic factor γ is discussed. The cooling processes with a continuous wave and a pulsed laser system are investigated. Optimized cooling scenarios and times are obtained in order to determine the required properties of the laser and the ion beam for the planed experiments. The impact of beam intensity effects, like intrabeam scattering and space charge are analyzed. Predictions from simplified models are compared to particle-in-cell simulations and are found to be in good agreement. Finally two realistic example cases of Carbon ions in the ESR and relativistic Titanium ions in SIS100 are compared in order to discuss prospects for future laser cooling experiments.

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Transverse Laser Cooling of a Fast Stored Ion Beam through Dispersive Coupling

Lauer

Eisenbarth

Grieser

et al. 1998

Phys. Rev. Lett.

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Transverse laser cooling of a fast stored Be-9(+) ion beam based on a single-particle force independent of the ion density is demonstrated at the Heidelberg Test Storage Ring. The cooling scheme exploits longitudinal-horizontal coupling through ring dispersion and the transverse intensity profile of the longitudinally merged laser beam. By linear betatron coupling the horizontal force is extended to the vertical degree of freedom resulting in true 3D laser cooling. The observed transverse-cooling mechanism represents an important step towards crystalline ion beams

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Transverse laser cooling of two-level particle beams

Cited by 3 publications

References 7 publications

Transverse laser cooling of ions in a storage ring

Transverse laser cooling of ions in a storage ring

Cooling rates and intensity limitations for laser-cooled ions at relativistic energies

Transverse Laser Cooling of a Fast Stored Ion Beam through Dispersive Coupling

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