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Title: 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 heavier ion species with the same charge-to-mass ratio (such as C{sup 6+}, O{sup 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.
Authors:
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  1. Centre for Plasma Physics, School of Mathematics and Physics, Queen's University Belfast, Belfast BT7 1NN (United Kingdom)
  2. Department of Physics, The Ohio State University, Columbus, Ohio 43210 (United States)
  3. Central Laser Facility, Rutherford Appleton Laboratory, Didcot, Oxfordshire OX11 0QX (United Kingdom)
  4. (Spain)
  5. LULI, École Polytechnique, CNRS, CEA, UPMC, 91128 Palaiseau (France)
  6. Institut für Kernphysik, Technische Universität Darmstadt, Schloßgartenstrasse 9, D-64289 Darmstadt (Germany)
  7. Propulsion Systems Directorate, Air Force Research Lab, Wright Patterson Air Force Base, Ohio 45433 (United States)
  8. Blackett Laboratory, Department of Physics, Imperial College, London SW7 2AZ (United Kingdom)
Publication Date:
OSTI Identifier:
22314693
Resource Type:
Journal Article
Resource Relation:
Journal Name: Review of Scientific Instruments; Journal Volume: 85; Journal Issue: 9; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; DEUTERIUM IONS; DEUTERONS; DIELECTRIC TRACK DETECTORS; HEAVY IONS; IMAGES; ION EMISSION; ION SPECTROSCOPY; LASER TARGETS; LASERS; PARTICLE TRACKS; PHOTOGRAPHIC FILMS; PLASTICS; SPECTRA; SPECTROMETERS