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Proceedings Paper

Efficiency and decay time measurement of phosphors for x-ray framing cameras usable in harsh radiation background
Author(s): N. Izumi; J. Emig; J. Moody; C. Middleton; J. Holder; K. Piston; V. Smalyuk; C. Hagmann; J. Ayers; J. Celeste; C. Cerjan; B. Felker; C. Sorce; K. Krauter; S. Glenn; J.-L. Bourgade; J. D. Kilkenny; D. K. Bradley; P. M. Bell
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Paper Abstract

Phosphors are key components of x-ray framing cameras. On implosion experiments at the National Ignition Facility, the x-ray framing cameras must operate in a harsh neutron induced ionizing radiation. One promising approach of neutron induced background reduction is separation of the neutron background with using difference of x-ray and neutron time-of- flight. To complete x-ray imaging before arrival of the neutron induced radiation to the detector, it is crucial to find a phosphor which has high efficiency and fast decay time. We tested various phosphor materials to optimize design of framing cameras for implosion experiments.

Paper Details

Date Published: 28 September 2011
PDF: 6 pages
Proc. SPIE 8142, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XIII, 81420I (28 September 2011); doi: 10.1117/12.893840
Show Author Affiliations
N. Izumi, Lawrence Livermore National Lab. (United States)
J. Emig, Lawrence Livermore National Lab. (United States)
J. Moody, Lawrence Livermore National Lab. (United States)
C. Middleton, Lawrence Livermore National Lab. (United States)
J. Holder, Lawrence Livermore National Lab. (United States)
K. Piston, Lawrence Livermore National Lab. (United States)
V. Smalyuk, Lawrence Livermore National Lab. (United States)
C. Hagmann, Lawrence Livermore National Lab. (United States)
J. Ayers, Lawrence Livermore National Lab. (United States)
J. Celeste, Lawrence Livermore National Lab. (United States)
C. Cerjan, Lawrence Livermore National Lab. (United States)
B. Felker, Lawrence Livermore National Lab. (United States)
C. Sorce, Lawrence Livermore National Lab. (United States)
K. Krauter, Lawrence Livermore National Lab. (United States)
S. Glenn, Lawrence Livermore National Lab. (United States)
J.-L. Bourgade, Commissariat à l'Énergie Atomique (France)
J. D. Kilkenny, General Atomics (United States)
D. K. Bradley, Lawrence Livermore National Lab. (United States)
P. M. Bell, Lawrence Livermore National Lab. (United States)


Published in SPIE Proceedings Vol. 8142:
Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XIII
Larry A. Franks; Ralph B. James; Arnold Burger, Editor(s)

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