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

A. Alejo*, S. Kar, Hamad Ahmed, A. G. Krygier, Domenico Doria, R. Clarke, J. Fernandez, R. R. Freeman, J. Fuchs, A. Green, J. S. Green, D. Jung, A. Kleinschmidt, C. L. S. Lewis, J. T. Morrison, Z. Najmudin, H. Nakamura, G. Nersisyan, P. Norreys, M. NotleyM. Oliver, M. Roth, J. A. Ruiz, L. Vassura, M. Zepf, M. Borghesi

*Corresponding author for this work

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21 Citations (Scopus)
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Abstract

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 C6 +, O8 +, 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.

Original languageEnglish
Article number093303
Number of pages8
JournalReview of Scientific Instruments
Volume85
Issue number9
DOIs
Publication statusPublished - 12 Sep 2014

ASJC Scopus subject areas

  • Instrumentation

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