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Title: An x-ray optic calibration facility for high energy density diagnostics

Abstract

A facility to calibrate x-ray imaging optics was built at Lawrence Livermore National Laboratory to support high energy density (HED) and inertial confinement fusion (ICF) diagnostics such as those at the National Ignition Facility and the Sandia Z-Machine. Calibration of the spectral reflectivity and resolution of these x-ray diagnostics enable absolute determination of the x-ray flux and wavelengths generated in the HED and ICF experiments. Measurement of the optic point spread function is used to determine spatial resolution of the optic. This facility was constructed to measure (1) the x-ray reflectivity to ±5% over a spectral range from 5 to 60 keV; (2) point spread functions with a resolution of 50 μm (currently) and 13 μm (future) in the image plane; and (3) optic distance relative to the x-ray source and detector to within ±100 μm in each dimension. Here, this article describes the capabilities of the calibration facility, concept of operations, and initial data from selected x-ray optics.

Authors:
 [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1]; ORCiD logo [1];  [1]; ORCiD logo [1];  [1]; ORCiD logo [2];  [2];  [2]; ORCiD logo [2];  [2]; ORCiD logo [3];  [3];  [3]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
  3. Smithsonian Astrophysical Observatory, Cambridge, MA (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1488802
Alternate Identifier(s):
OSTI ID: 1476124
Report Number(s):
LLNL-JRNL-750572
Journal ID: ISSN 0034-6748; 936046
Grant/Contract Number:  
AC52-07NA27344
Resource Type:
Accepted Manuscript
Journal Name:
Review of Scientific Instruments
Additional Journal Information:
Journal Volume: 89; Journal Issue: 10; Journal ID: ISSN 0034-6748
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION

Citation Formats

Kozioziemski, B. J., Ayers, J., Bell, P., Bradley, D. K., Descalle, M. -A., Hau-Riege, S., McCarville, T. J., Pardini, T., Pickworth, L. A., Vogel, J. K., Stone, J., Robinson, J., Ampleford, D. J., Ball, C. R., Bourdon, C. J., Fein, J. R., Wu, M., Ames, A., Bruni, R., and Romaine, S. An x-ray optic calibration facility for high energy density diagnostics. United States: N. p., 2018. Web. doi:10.1063/1.5038742.
Kozioziemski, B. J., Ayers, J., Bell, P., Bradley, D. K., Descalle, M. -A., Hau-Riege, S., McCarville, T. J., Pardini, T., Pickworth, L. A., Vogel, J. K., Stone, J., Robinson, J., Ampleford, D. J., Ball, C. R., Bourdon, C. J., Fein, J. R., Wu, M., Ames, A., Bruni, R., & Romaine, S. An x-ray optic calibration facility for high energy density diagnostics. United States. doi:10.1063/1.5038742.
Kozioziemski, B. J., Ayers, J., Bell, P., Bradley, D. K., Descalle, M. -A., Hau-Riege, S., McCarville, T. J., Pardini, T., Pickworth, L. A., Vogel, J. K., Stone, J., Robinson, J., Ampleford, D. J., Ball, C. R., Bourdon, C. J., Fein, J. R., Wu, M., Ames, A., Bruni, R., and Romaine, S. Thu . "An x-ray optic calibration facility for high energy density diagnostics". United States. doi:10.1063/1.5038742. https://www.osti.gov/servlets/purl/1488802.
@article{osti_1488802,
title = {An x-ray optic calibration facility for high energy density diagnostics},
author = {Kozioziemski, B. J. and Ayers, J. and Bell, P. and Bradley, D. K. and Descalle, M. -A. and Hau-Riege, S. and McCarville, T. J. and Pardini, T. and Pickworth, L. A. and Vogel, J. K. and Stone, J. and Robinson, J. and Ampleford, D. J. and Ball, C. R. and Bourdon, C. J. and Fein, J. R. and Wu, M. and Ames, A. and Bruni, R. and Romaine, S.},
abstractNote = {A facility to calibrate x-ray imaging optics was built at Lawrence Livermore National Laboratory to support high energy density (HED) and inertial confinement fusion (ICF) diagnostics such as those at the National Ignition Facility and the Sandia Z-Machine. Calibration of the spectral reflectivity and resolution of these x-ray diagnostics enable absolute determination of the x-ray flux and wavelengths generated in the HED and ICF experiments. Measurement of the optic point spread function is used to determine spatial resolution of the optic. This facility was constructed to measure (1) the x-ray reflectivity to ±5% over a spectral range from 5 to 60 keV; (2) point spread functions with a resolution of 50 μm (currently) and 13 μm (future) in the image plane; and (3) optic distance relative to the x-ray source and detector to within ±100 μm in each dimension. Here, this article describes the capabilities of the calibration facility, concept of operations, and initial data from selected x-ray optics.},
doi = {10.1063/1.5038742},
journal = {Review of Scientific Instruments},
number = 10,
volume = 89,
place = {United States},
year = {2018},
month = {10}
}

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