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A novel technique for single-shot energy-resolved 2D x-ray imaging of plasmas relevant for the inertial confinement fusion

  Articoli su Riviste JCR/ISI  (anno 2012)

Autori:  Labate L., Köster P., Levato T., Gizzi L

Affiliazione Autori:  Intense Laser Irradiation Laboratory, Istituto Nazionale di Ottica, Consiglio Nazionale delle Ricerche, Pisa, Italy; Ist Istituto Nazionale di Fisica Nucleare, Sezione di Pisa, Italy; Dipartimento di Ingegneria Industriale, Università di Roma “Tor Vergata,” Italy and Fyzikln stav AV R v.v.i., Praha, Czech Republic

Riassunto:  A novel x-ray diagnostic of laser-fusion plasmas is described, allowing 2D monochromatic images of hot, dense plasmas to be obtained in any x-ray photon energy range, over a large domain, on a single-shot basis. The device (named energy-encoded pinhole camera) is based upon the use of an array of many pinholes coupled to a large area CCD camera operating in the single-photon mode. The available x-ray spectral domain is only limited by the quantum efficiency of scientific-grade x-ray CCD cameras, thus extending from a few keV up to a few tens of keV. Spectral 2D images of the emitting plasma can be obtained at any x-ray photon energy provided that a sufficient number of photons had been collected at the desired energy. Results from recent inertial confinement fusion related experiments will be reported in order to detail the new diagnostic.

Volume n.:  83 (10)      Pagine da: 103504  a: 103504
Ulteriori informazioni:  This research programme was partially supported by the project of European large scale infrastructure HiPER (\"High Power laser Energy Research facility\"). We acknowledge support from the Italian Ministry of Education, University and Research through the PRIN project \"Fusione a confinamento inerziale via laser, con ignizione indotta da onde d\'urto intense (shock ignition).\" The access to the RAL and PALS facilities was in part supported by the EU LaserLab II network. We thank L. Antonelli, D. Batani, N. Booth, C. A. Cecchetti, Hui Chen, O. Ciricosta, G. Gregori, M. Kozlova, Bin Li, M. Makita, D. Margarone, J. Mithen, C. Murphy, M. Notley, A. Patria, R. Pattathil, D. Riley, B. Rus, M. Sawitcka, and N. Woolsey for their collaboration during the RAL and PALS experiments.
DOI: 10.1063/1.4759135

*Impact Factor della Rivista: (2012) 1.602   *Citazioni: 7
data tratti da "WEB OF SCIENCE" (marchio registrato di Thomson Reuters) ed aggiornati a:  14/07/2019

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