Bulletin of the American Physical Society
64th Annual Meeting of the APS Division of Plasma Physics
Volume 67, Number 15
Monday–Friday, October 17–21, 2022; Spokane, Washington
Session NP11: Poster Session V: In-Person, Hall A (9:30-11:00am) and Virtual Poster Presentations (11:15am-12:30pm)
MFE: Stellerators
HED: High Energy Density
BEAMS: Short Pulse Laser Plasmas
HED: Short Pulse Laser Plasma
SPACE: Space Plasmas
9:30 AM - 12:30 PM
Wednesday, October 19, 2022
Room: Exhibit Hall A and Online
Abstract: NP11.00108 : Characterization of laser-driven proton beams for static and dynamic radiography*
Presenter:
Thomas R Schmidt Jr
(Los Alamos National Laboratory)
Authors:
Thomas R Schmidt Jr
(Los Alamos National Laboratory)
Steven H Batha
(Los Alamos Natl Lab)
David P Broughton
(Los Alamos National Laboratory)
Andrea Favalli
(Los Alamos National Laboratory)
Elizabeth S Grace
(Georgia Institute of Technology)
Chengkun Huang
(Los Alamos Natl Lab)
Metodi Iliev
(Los Alamos National Laboratory)
Ann Junghans
(Los Alamos National Laboratory)
Sasi Palaniyappan
(Los Alamos Natl Lab)
Robert E Reinovsky
(Los Alamos Natl Lab)
Raspberry A Simpson
(Massachusetts Institute of Technology MIT)
Zhehui Wang
(Los Alamos Natl Lab)
Bradley Wolfe
(Los Alamos National Laboratory)
Benjamin Wyatt
(Los Alamos National Laboratory)
with other laser-driven particle/radiation species, such as X-ray photons and neutrons. We
conducted experiments at the Omega-EP laser to characterize the laser-driven proton beam
spectra and spatial source profiles using Thomson parabola and PROBIES (PROton Beam
Imager and Energy Spectrometer) for CH foil targets with different thicknesses and with/without
Compound Parabolic Concentrator (CPC) cone. Both diagnostics indicate that: (1) maximum
proton energy of >~ 70-80 MeV is achieved in thin CH flat foil targets; (2) generally, thin CH
flat foils have better performance than thicker foils or placing the foil behind a CPC cone.
Preliminary static and dynamic radiography were also conducted using these proton beams.
Quality of these radiography results will be contrasted and discussed in the context of different
characteristics of the probe proton beams.
*This work was supported by the U.S. Department of Energy through the Los Alamos National Laboratory(LANL).
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