Characterisation of deuterium spectra from laser driven multi-species sources by employing differentially filtered image plate detectors in Thomson spectrometers

A novel method for characterising the full spectrum of deuteron ions emitted by laser driven multi-species ion sources is discussed. The procedure is based on using differential filtering over the detector of a Thompson parabola ion spectrometer, which enables discrimination of deuterium ions from h...

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Bibliographic Details
Published in:Review of scientific instruments 2014-09, Vol.85 (9), p.093303-093303
Main Authors: Alejo, A, Kar, S, Ahmed, H, Krygier, A G, Doria, D, Clarke, R, Fernandez, J, Freeman, R R, Fuchs, J, Green, A, Green, J S, Jung, D, Kleinschmidt, A, Lewis, C L S, Morrison, J T, Najmudin, Z, Nakamura, H, Nersisyan, G, Norreys, P, Notley, M, Oliver, M, Roth, M, Ruiz, J A, Vassura, L, Zepf, M, Borghesi, M
Format: Article
Language:English
Subjects:
Detectors
Deuteration
Deuterium
DEUTERIUM IONS
DEUTERONS
DIELECTRIC TRACK DETECTORS
Filtration
Foils
HEAVY IONS
Image filters
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
ION EMISSION
Ion sources
ION SPECTROSCOPY
LASER TARGETS
LASERS
PARTICLE TRACKS
PHOTOGRAPHIC FILMS
PLASTICS
Scientific apparatus & instruments
Sensors
SPECTRA
SPECTROMETERS
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Summary:A novel method for characterising the full spectrum of deuteron ions emitted by laser driven multi-species ion sources is discussed. The procedure is based on using differential filtering over the detector of a Thompson parabola ion spectrometer, which enables discrimination of deuterium ions from heavier ion species with the same charge-to-mass ratio (such as C(6+), O(8+), etc.). Commonly used Fuji Image plates were used as detectors in the spectrometer, whose absolute response to deuterium ions over a wide range of energies was calibrated by using slotted CR-39 nuclear track detectors. A typical deuterium ion spectrum diagnosed in a recent experimental campaign is presented, which was produced from a thin deuterated plastic foil target irradiated by a high power laser.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.4893780