Historical Perspectives

Briggs, R.J.; Westenskow, G.A.

doi:10.1007/978-3-642-13917-8_2

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2023

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Cited by 5 publications

(1 citation statement)

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“…For example, the Dual-Axis Radiographic Hydrodynamic Testing (DARHT) Facility at the Los Alamos National Laboratory (LANL) uses two electron LIAs to produce the source spots for flash radiography of large explosively driven experiments by focusing the electron beam onto a heavy metal target [1], [2], [10], [11], and a new multipulse LIA, Scorpius, is under development for this purpose [12].…”

Section: Introductionmentioning

confidence: 99%

Pulse Risetime and Corkscrew Excitation of Beam Breakup in Linear Induction Accelerators

Ekdahl

2022

IEEE Trans. Plasma Sci.

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Beam breakup (BBU) in linear induction accelerators (LIA) used for flash radiography is problematic because the high-frequency beam motion can blur the source spot, thereby degrading resolution. BBU can be excited by the fast risetime of an offset current pulse, it can grow from noise due to other sources of RF, or it can be excited by the corkscrew motion of the beam head. In this article, numerical experiments are used to examine BBU excited by the fast risetime of the current pulse expected to be injected into an advanced LIA. Excitation by highfrequency corkscrew on the beam head is also investigated. The results of these simulations indicate that BBU can be expected to be excited by both fast risetimes and corkscrew.

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Section: Introductionmentioning

confidence: 99%