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Title: Multispectral X-Ray Imaging With A Pinhole Array And A Flat Bragg Mirror

Journal Article · · Review of Scientific Instruments
DOI:https://doi.org/10.1063/1.1940614· OSTI ID:875939
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We describe a multiple monochromatic x-ray imager designed for implosion experiments. This instrument uses an array of pinholes in front of a flat multilayered Bragg mirror to provide many individual quasi-monochromatic x-ray pinhole images spread over a wide spectral range. We discuss design constraints and optimizations, and we discuss the specific details of the instrument we have used to obtain temperature and density maps of implosion plasmas.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
W-7405-ENG-48
OSTI ID:
875939
Report Number(s):
UCRL-JRNL-210821; RSINAK; TRN: US200604%%252
Journal Information:
Review of Scientific Instruments, Vol. 76; ISSN 0034-6748
Country of Publication:
United States
Language:
English

References (8)

Multispectral imaging of continuum emission for determination of temperature and density profiles inside implosion plasmas journal November 2004
Principles of Plasma Spectroscopy book January 1997
High speed proximity focused X-ray cameras journal March 1991
Analysis of the spatial structure of inertial confinement fusion implosion cores at OMEGA journal September 2003
Processing of multi-monochromatic x-ray images from indirect drive implosions at OMEGA journal March 2003
Initial performance results of the OMEGA laser system journal January 1997
Imaging of laser–plasma x-ray emission with charge-injection devices journal January 2001
Recent progress in high-energy, high-resolution x-ray imaging techniques for application to the National Ignition Facility (invited) journal January 1999

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Related Subjects

36 MATERIALS SCIENCE
42 ENGINEERING
DESIGN
IMPLOSIONS
MIRRORS