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.; Walton, C. C.; Ayers, J.; Bell, P.; Bradley, D.; Descalle, M. -A.; Hau-Riege, S.; Pickworth, L. A.; Ampleford, D. J.; Ball, C. R.; Bourdon, C. J.; Fein, J. R.; Gard, P. D.; Maurer, A.; Wu, M.; Ames, A.; Bruni, R.; Romaine, S.; Kilaru, K.; Roberts, O. J.; Ramsey, B.

doi:10.1063/1.5038811

Design and raytrace simulations of a multilayer-coated Wolter x-ray optic for the Z machine at Sandia National Laboratories

Journal Article · Mon Oct 01 00:00:00 EDT 2018 · Review of Scientific Instruments

DOI:https://doi.org/10.1063/1.5038811· OSTI ID:1488787

Vogel, J. K. ^[1]; ^[1]; Kozioziemski, B. ^[1]; Walton, C. C. ^[1]; Ayers, J. ^[1]; Bell, P. ^[1]; Bradley, D. ^[1]; Descalle, M. -A. ^[1]; Hau-Riege, S. ^[1]; ^[1]; ^[2]; Ball, C. R. ^[3]; Bourdon, C. J. ^[2]; ^[2]; Gard, P. D. ^[2]; Maurer, A. ^[2]; Wu, M. ^[2]; ^[4]; Bruni, R. ^[4]; Romaine, S. ^[4] more »

Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sandia National Laboratories, Albuquerque, New Mexico 87123, USA
Smithsonian Astrophysical Observatory, Cambridge, MA (United States)
Univ. Space Research Association, Huntsville, AL (United States)
Universities Space Research Association, Huntsville, Alabama 35805, USA
NASA Marshall Space Flight Center (MSFC), Huntsville, AL (United States)

Recent breakthroughs in the fabrication of small-radii Wolter optics for astrophysics allow high energy density facilities to consider such optics as novel x-ray diagnostics at photon energies of 15-50 keV. Recently, the Lawrence Livermore National Laboratory, Sandia National Laboratories (SNL), the Smithsonian Astrophysical Observatory, and the NASA Marshall Space Flight Center jointly developed and fabricated the first custom Wolter microscope for implementation in SNL’s Z machine with optimized sensitivity at 17.5 keV. To achieve spatial resolution of order 100-200 microns over a field of view of 5 × 5 × 5 mm³ with high throughput and narrow energy bandpass, the geometry of the optic and its multilayer required careful design and optimization. While the geometry mainly influences resolution and the field of view of the diagnostic, the mirror coating determines the spectral response and throughput. Here in this paper, we outline the details of the design and fabrication process for the first multilayer-coated Wolter I optic for SNL’s Z machine (Z Wolter), including its W/Si multilayer, and present results of raytrace simulations completed to predict and verify the performance of the optic.

Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

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

Grant/Contract Number:: AC52-07NA27344; NA0003525

OSTI ID:: 1488787

Alternate ID(s):: OSTI ID: 1476125

Report Number(s):: LLNL-JRNL--750575; 935859

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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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
A Wolter imager on the Z machine to diagnose warm x-ray sources Fein, J. R.; Ampleford, D. J.; Vogel, J. K. Review of Scientific Instruments, Vol. 89, Issue 10 https://doi.org/10.1063/1.5038347	journal	October 2018

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