A compact broadband ion beam focusing device based on laser-driven megagauss thermoelectric magnetic fields

Ultra-intense lasers can nowadays routinely accelerate kiloampere ion beams. These unique sources of particle beams could impact many societal (e.g., proton-therapy or fuel recycling) and fundamental (e.g., neutron probing) domains. However, this requires overcoming the beam angular divergence at th...

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Bibliographic Details
Published in:Review of scientific instruments 2015-04, Vol.86 (4), p.043502-043502
Main Authors: Albertazzi, B, d'Humières, E, Lancia, L, Dervieux, V, Antici, P, Böcker, J, Bonlie, J, Breil, J, Cauble, B, Chen, S N, Feugeas, J L, Nakatsutsumi, M, Nicolaï, P, Romagnani, L, Shepherd, R, Sentoku, Y, Swantusch, M, Tikhonchuk, V T, Borghesi, M, Willi, O, Pépin, H, Fuchs, J
Format: Article
Language:English
Subjects:
Broadband
Divergence
Domains
FOCUSING
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
ION BEAMS
Laser beams
LASERS
MAGNETIC FIELDS
NEUTRON PROBES
PARTICLE BEAMS
PROTONS
Scientific apparatus & instruments
THERAPY
Thermoelectricity
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Summary:Ultra-intense lasers can nowadays routinely accelerate kiloampere ion beams. These unique sources of particle beams could impact many societal (e.g., proton-therapy or fuel recycling) and fundamental (e.g., neutron probing) domains. However, this requires overcoming the beam angular divergence at the source. This has been attempted, either with large-scale conventional setups or with compact plasma techniques that however have the restriction of short (50 ps), thermoelectric multi-megagauss surface magnetic (B)-fields, compact capturing, and focusing of a diverging laser-driven multi-MeV ion beam can be achieved over a wide range of ion energies in the limit of a 5° acceptance angle.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.4917273