Sub-nanosecond Time-resolved X-ray Measurements of Multi-material Hybrid X-pinches

POSTER

Abstract

The Hybrid X-Pinch (HXP) has been shown to be an excellent point source of X-ray emission on the XP pulsed-power machine for radiography, producing X-ray radiation with photon energies up to 4keV 1. Spectroscopic analysis of x-pinch dynamics has shown L-shell line emission during the compression phase, followed by a ~10ps continuum burst, with many emission lines in the expansion phase2. Current studies are exploring the use of multi-material wire HXPs utilizing a sub-nanosecond time-resolved radiation technique3. Its goal is to determine if the multi-material wire HXP load configuration can predicably produce temporally spaced x-ray sources within the desired soft X-ray energy bands through material selection. This study is utilizing the 450 kA peak current XP pulsed power generator with a rise time of 60 ns (10 to 90%).

*We would also like to give thanks to Todd Blanchard, Dan Hawkes, William Potter, and Harry Wilhelm for their technical support. This research is supported by NNSA funding under the HEDLP Joint Program with DOE FES contract #DE-NA0004027. Formerly funded by DOE FES grant number DE-SC0018088. Partially supported by Center for Magnetic Acceleration, Compression, and Heating (MACH), part of the U.S. DOE-NNSA Stewardship Science Academic Alliances Program under Cooperative Agreement DE-NA0004148.

Publication: [1] T. A. Shelkovenko, S. A. Pikuz, and D. A. Hammer, A Review of Projection Radiography of Plasma and Biological Objects in X-Pinch Radiation, Plasma Phys. Rep. 42, 226 (2016).
[2] A.T. Elshafiey, Investigation of x-pinch plasma dynamics using a ps time-resolved x-ray streak camera, Cornell University (2023).
[3] A. T. Elshafiey, N. G. Chalmers, S. A. Pikuz, T. A. Shelkovenko, D. A. Hammer; Sub-nanosecond time-resolved radiation measurement using x-ray focusing crystal spectrometers. Rev. Sci. Instrum. 1 August 2023; 94 (8): 083508.

Presenters

  • Nathaniel Grant Chalmers

    • Cornell University

Authors

  • Nathaniel Grant Chalmers

    • Cornell University

  • Ahmed T Elshafiey

    • LANL
    • Los Alamos National Laboratory

  • David A Hammer

    • Cornell University