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Title: A Wolter imager on the Z machine to diagnose warm x-ray sources

Abstract

A new Wolter x-ray imager has been developed for the Z machine to study the emission of warm (>15 keV) x-ray sources. A Wolter optic has been adapted from observational astronomy and medical imaging, which uses curved x-ray mirrors to form a 2D image of a source with 5 × 5 × 5 mm 3 field-of-view and measured 60-300-μm resolution on-axis. The mirrors consist of a multilayer that create a narrow bandpass around the Mo Kα lines at 17.5 keV. Here, we provide an overview of the instrument design and measured imaging performance. In addition, we present the first data from the instrument of a Mo wire array z-pinch on the Z machine, demonstrating improvements in spatial resolution and a 350-4100× increase in the signal over previous pinhole imaging techniques.

Authors:
ORCiD logo [1]; ORCiD logo [1];  [2];  [2];  [2];  [1];  [1]; ORCiD logo [3];  [2];  [2];  [1];  [2];  [3];  [1];  [1];  [1];  [4];  [1];  [1];  [1] more »;  [1]; ORCiD logo [2]; ORCiD logo [2];  [5];  [4];  [1];  [3];  [1] « less
  1. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
  2. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  3. Smithsonian Astrophysical Observatory, Cambridge, MA (United States)
  4. Universities Space Research Association, Huntsville, AL (United States)
  5. NASA Marshall Space Flight Center (MSFC), Huntsville, AL (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:
1488781
Alternate Identifier(s):
OSTI ID: 1476122
Report Number(s):
LLNL-JRNL-750496
Journal ID: ISSN 0034-6748; 935972
Grant/Contract Number:  
AC52-07NA27344; NA-0003525
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:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY

Citation Formats

Fein, J. R., Ampleford, D. J., Vogel, J. K., Kozioziemski, B., Walton, C. C., Wu, M., Ball, C. R., Ames, A., Ayers, J., Bell, P., Bourdon, C. J., Bradley, D., Bruni, R., Dunham, G. S., Gard, P. D., Johnson, D., Kilaru, K., Kirtley, C., Lake, P. W., Maurer, A., Nielsen-Weber, L., Pickworth, L. A., Pivovaroff, M. J., Ramsey, B., Roberts, O. J., Rochau, G. A., Romaine, S., and Sullivan, M. A Wolter imager on the Z machine to diagnose warm x-ray sources. United States: N. p., 2018. Web. doi:10.1063/1.5038347.
Fein, J. R., Ampleford, D. J., Vogel, J. K., Kozioziemski, B., Walton, C. C., Wu, M., Ball, C. R., Ames, A., Ayers, J., Bell, P., Bourdon, C. J., Bradley, D., Bruni, R., Dunham, G. S., Gard, P. D., Johnson, D., Kilaru, K., Kirtley, C., Lake, P. W., Maurer, A., Nielsen-Weber, L., Pickworth, L. A., Pivovaroff, M. J., Ramsey, B., Roberts, O. J., Rochau, G. A., Romaine, S., & Sullivan, M. A Wolter imager on the Z machine to diagnose warm x-ray sources. United States. doi:10.1063/1.5038347.
Fein, J. R., Ampleford, D. J., Vogel, J. K., Kozioziemski, B., Walton, C. C., Wu, M., Ball, C. R., Ames, A., Ayers, J., Bell, P., Bourdon, C. J., Bradley, D., Bruni, R., Dunham, G. S., Gard, P. D., Johnson, D., Kilaru, K., Kirtley, C., Lake, P. W., Maurer, A., Nielsen-Weber, L., Pickworth, L. A., Pivovaroff, M. J., Ramsey, B., Roberts, O. J., Rochau, G. A., Romaine, S., and Sullivan, M. Thu . "A Wolter imager on the Z machine to diagnose warm x-ray sources". United States. doi:10.1063/1.5038347. https://www.osti.gov/servlets/purl/1488781.
@article{osti_1488781,
title = {A Wolter imager on the Z machine to diagnose warm x-ray sources},
author = {Fein, J. R. and Ampleford, D. J. and Vogel, J. K. and Kozioziemski, B. and Walton, C. C. and Wu, M. and Ball, C. R. and Ames, A. and Ayers, J. and Bell, P. and Bourdon, C. J. and Bradley, D. and Bruni, R. and Dunham, G. S. and Gard, P. D. and Johnson, D. and Kilaru, K. and Kirtley, C. and Lake, P. W. and Maurer, A. and Nielsen-Weber, L. and Pickworth, L. A. and Pivovaroff, M. J. and Ramsey, B. and Roberts, O. J. and Rochau, G. A. and Romaine, S. and Sullivan, M.},
abstractNote = {A new Wolter x-ray imager has been developed for the Z machine to study the emission of warm (>15 keV) x-ray sources. A Wolter optic has been adapted from observational astronomy and medical imaging, which uses curved x-ray mirrors to form a 2D image of a source with 5 × 5 × 5 mm3 field-of-view and measured 60-300-μm resolution on-axis. The mirrors consist of a multilayer that create a narrow bandpass around the Mo Kα lines at 17.5 keV. Here, we provide an overview of the instrument design and measured imaging performance. In addition, we present the first data from the instrument of a Mo wire array z-pinch on the Z machine, demonstrating improvements in spatial resolution and a 350-4100× increase in the signal over previous pinhole imaging techniques.},
doi = {10.1063/1.5038347},
journal = {Review of Scientific Instruments},
number = 10,
volume = 89,
place = {United States},
year = {2018},
month = {10}
}

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Figures / Tables:

FIG. 1 FIG. 1: Optical description of the Wolter type-I microscope.

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