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

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.

doi:10.1063/1.5038347

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

Journal Article · Thu Oct 04 00:00:00 EDT 2018 · Review of Scientific Instruments

DOI:https://doi.org/10.1063/1.5038347· OSTI ID:1488781

^[1]; ^[1]; Vogel, J. K. ^[2]; Kozioziemski, B. ^[2]; Walton, C. C. ^[2]; Wu, M. ^[1]; Ball, C. R. ^[1]; ^[3]; Ayers, J. ^[2]; Bell, P. ^[2]; Bourdon, C. J. ^[1]; Bradley, D. ^[2]; Bruni, R. ^[3]; Dunham, G. S. ^[1]; Gard, P. D. ^[1]; Johnson, D. ^[1]; Kilaru, K. ^[4]; Kirtley, C. ^[1]; Lake, P. W. ^[1]; Maurer, A. ^[1] more »

Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Smithsonian Astrophysical Observatory, Cambridge, MA (United States)
Universities Space Research Association, Huntsville, AL (United States)
NASA Marshall Space Flight Center (MSFC), Huntsville, AL (United States)

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.

View Accepted Manuscript (DOE)

Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: AC52-07NA27344; AC04-94AL85000; NA0003525

OSTI ID:: 1488781

Alternate ID(s):: OSTI ID: 1644073
OSTI ID: 1582190
OSTI ID: 1476122

Report Number(s):: LLNL-JRNL--750496; 935972

Journal Information:: Review of Scientific Instruments, Journal Name: Review of Scientific Instruments Journal Issue: 10 Vol. 89; ISSN 0034-6748

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited By (3)

Characterization and calibration of a multilayer coated Wolter optic for an imager on the Z-machine at Sandia National Laboratories Wu, M.; Kozioziemski, B.; Vogel, J. K. Review of Scientific Instruments, Vol. 89, Issue 10 https://doi.org/10.1063/1.5038033	journal	October 2018
An x-ray optic calibration facility for high energy density diagnostics Kozioziemski, B. J.; Ayers, J.; Bell, P. Review of Scientific Instruments, Vol. 89, Issue 10 https://doi.org/10.1063/1.5038742	journal	October 2018
Design and raytrace simulations of a multilayer-coated Wolter x-ray optic for the Z machine at Sandia National Laboratories Vogel, J. K.; Pivovaroff, M. J.; Kozioziemski, B. Review of Scientific Instruments, Vol. 89, Issue 10 https://doi.org/10.1063/1.5038811	journal	October 2018