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Yield degradation due to laser drive asymmetry in D3He backlit proton radiography experiments at OMEGA

Harvard Dataverse (Africa Rice Center, Bioversity International, CCAFS, CIAT, IFPRI, IRRI and WorldFish)

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Title Yield degradation due to laser drive asymmetry in D3He backlit proton radiography experiments at OMEGA
 
Identifier https://doi.org/10.7910/DVN/NOSS9I
 
Creator T. M. Johnson, A. Birkel, H. E. Ramirez, G. D. Sutcliffe, P. J. Adrian, V. Yu. Glebov, H. Sio, M. Gatu Johnson, J. A. Frenje, R. D. Petrasso, C. K. Li
 
Publisher Harvard Dataverse
 
Description Mono-energetic proton radiography is a vital diagnostic for numerous high-energy-density-physics, inertial-confinement-fusion, and laboratory-astrophysics experiments at OMEGA. With a large number of campaigns executing hundreds of shots, general trends in D3He backlighter performance are statistically observed. Each experimental configuration uses a different number of beams and drive symmetry, causing the backlighter to perform differently. Here, we analyze the impact of these variables on the overall performance of the D3He backlighter for proton-radiography studies. This study finds that increasing laser drive asymmetry can degrade the performance of the D3He backlighter. The results of this study can be used to help experimental designs that use proton radiography.
 
Subject Physics
astrophysics
fusion experiments
high energy density physics
Laser-induced plasma
magnetic fields
radiography