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Proceedings Paper

Performance measurements of the DIXI (dilation x-ray imager) photocathode using a laser produced x-ray source
Author(s): Sabrina R. Nagel; M. J. Ayers; B. Felker; T. J. Hilsabeck; T. Chung; R. F. Smith; P. M. Bell; D. K. Bradley; G. W. Collins; J. D. Kilkenny; B. Sammuli; J. D. Hares; A. K. L. Dymoke-Bradshaw
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Paper Abstract

DIXI (dilation x-ray imager) will be used to characterize ICF (inertial confinement fusion) implosions on the NIF. DIXI utilizes pulse-dilation technology1 to achieve x-ray imaging with temporal gate times below 10 ps. Time resolved x-ray measurements were conducted using the COMET laser facility at the Lawrence Livermore National Laboratory. Here we focus on some of the challenges faced by the large aperture photo cathode of the instrument and report on how to maintain a at photo cathode as well as how the required spatial resolution of the instrument is achieved.

Paper Details

Date Published: 19 October 2012
PDF: 7 pages
Proc. SPIE 8505, Target Diagnostics Physics and Engineering for Inertial Confinement Fusion, 85050H (19 October 2012); doi: 10.1117/12.929736
Show Author Affiliations
Sabrina R. Nagel, Lawrence Livermore National Lab. (United States)
M. J. Ayers, Lawrence Livermore National Lab. (United States)
B. Felker, Lawrence Livermore National Lab. (United States)
T. J. Hilsabeck, General Atomics (United States)
T. Chung, General Atomics (United States)
R. F. Smith, Lawrence Livermore National Lab. (United States)
P. M. Bell, Lawrence Livermore National Lab. (United States)
D. K. Bradley, Lawrence Livermore National Lab. (United States)
G. W. Collins, Lawrence Livermore National Lab. (United States)
J. D. Kilkenny, General Atomics (United States)
B. Sammuli, General Atomics (United States)
J. D. Hares, Kentech Instruments Ltd. (United Kingdom)
A. K. L. Dymoke-Bradshaw, Kentech Instruments Ltd. (United Kingdom)


Published in SPIE Proceedings Vol. 8505:
Target Diagnostics Physics and Engineering for Inertial Confinement Fusion
Perry Bell; Gary P. Grim, Editor(s)

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