Spatial resolution measurements of the advanced radiographic capability x-ray imaging system at energies relevant to Compton radiography

Journal Article · Mon Nov 14 23:00:00 EST 2016 · Review of Scientific Instruments

DOI:https://doi.org/10.1063/1.4959948· OSTI ID:22596581

Izumi, N.; Landen, O. L.; Tommasini, R.; Holder, J. P.; Hargrove, D.; Bradley, D. K.; Lumbard, A.; Cruz, J. G.; Piston, K.; Bell, P. M.; Carpenter, A. C.; Palmer, N. E.; Felker, B.; Rekow, V.; Allen, F. V. ^[1]; Lee, J. J.; Romano, E. ^[2]

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1. Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550 (United States)
2. National Security Technologies LLC, 161 S Vasco Rd., Livermore, California 94551 (United States)

Compton radiography provides a means to measure the integrity, ρR and symmetry of the DT fuel in an inertial confinement fusion implosion near peak compression. Upcoming experiments at the National Ignition Facility will use the ARC (Advanced Radiography Capability) laser to drive backlighter sources for Compton radiography experiments and will use the newly commissioned AXIS (ARC X-ray Imaging System) instrument as the detector. AXIS uses a dual-MCP (micro-channel plate) to provide gating and high DQE at the 40–200 keV x-ray range required for Compton radiography, but introduces many effects that contribute to the spatial resolution. Experiments were performed at energies relevant to Compton radiography to begin characterization of the spatial resolution of the AXIS diagnostic.

• OSTI ID: 22596581
• Journal Information: Review of Scientific Instruments, Journal Name: Review of Scientific Instruments Journal Issue: 11 Vol. 87; ISSN 0034-6748; ISSN RSINAK
• Country of Publication: United States
• Language: English

Related Subjects

46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
COMPRESSION
COMPTON EFFECT
IGNITION
IMAGES
IMPLOSIONS
INERTIAL CONFINEMENT
KEV RANGE 10-100
KEV RANGE 100-1000
LASERS
MICROCHANNEL ELECTRON MULTIPLIERS
PEAKS
SPATIAL RESOLUTION
SYMMETRY
X RADIATION