Nuclear activation as a high dynamic range diagnostic of laser-plasma interactions

R.J. Clarke, P.T. Simpson, S. Kar, J.S. Green, C. Bellei, D.C. Carroll, B. Dromey, S. Kneip, Paul Mckenna

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

Proton imaging has become a common diagnostic technique for use in laser-plasma research experiments due to their ability to diagnose electric field effects and to resolve small density differences caused through shock effects. These interactions are highly dependent on the use of radiochromic film (RCF) as a detection system for the particle probe, and produces very high-resolution images. However, saturation effects, and in many cases, damage to the film limits the usefulness of this technique for high-flux particle probing. This paper outlines the use of a new technique using contact radiography of (p,n)-generated isotopes in activation samples to produce high dynamic range 2D images with high spatial resolution and extremely high dynamic range, whilst maintaining both energy resolution and absolute flux measurements.
LanguageEnglish
Pages117-120
Number of pages3
JournalNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume585
Issue number3
DOIs
Publication statusPublished - 1 Feb 2008

Fingerprint

Plasma interactions
laser plasma interactions
dynamic range
Chemical activation
activation
Fluxes
Electric field effects
Plasma diagnostics
Lasers
Radiography
Image resolution
Isotopes
Protons
high resolution
radiography
flux (rate)
Plasmas
Imaging techniques
laser plasmas
isotopes

Keywords

  • high-intensity laser
  • nuclear reactions
  • activation
  • autoradiography
  • contact radiography
  • plasma physics

Cite this

Clarke, R.J. ; Simpson, P.T. ; Kar, S. ; Green, J.S. ; Bellei, C. ; Carroll, D.C. ; Dromey, B. ; Kneip, S. ; Mckenna, Paul. / Nuclear activation as a high dynamic range diagnostic of laser-plasma interactions. In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2008 ; Vol. 585, No. 3. pp. 117-120.
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Nuclear activation as a high dynamic range diagnostic of laser-plasma interactions. / Clarke, R.J.; Simpson, P.T.; Kar, S.; Green, J.S.; Bellei, C.; Carroll, D.C.; Dromey, B.; Kneip, S.; Mckenna, Paul.

In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 585, No. 3, 01.02.2008, p. 117-120.

Research output: Contribution to journalArticle

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T1 - Nuclear activation as a high dynamic range diagnostic of laser-plasma interactions

AU - Clarke, R.J.

AU - Simpson, P.T.

AU - Kar, S.

AU - Green, J.S.

AU - Bellei, C.

AU - Carroll, D.C.

AU - Dromey, B.

AU - Kneip, S.

AU - Mckenna, Paul

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AB - Proton imaging has become a common diagnostic technique for use in laser-plasma research experiments due to their ability to diagnose electric field effects and to resolve small density differences caused through shock effects. These interactions are highly dependent on the use of radiochromic film (RCF) as a detection system for the particle probe, and produces very high-resolution images. However, saturation effects, and in many cases, damage to the film limits the usefulness of this technique for high-flux particle probing. This paper outlines the use of a new technique using contact radiography of (p,n)-generated isotopes in activation samples to produce high dynamic range 2D images with high spatial resolution and extremely high dynamic range, whilst maintaining both energy resolution and absolute flux measurements.

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KW - nuclear reactions

KW - activation

KW - autoradiography

KW - contact radiography

KW - plasma physics

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