Update on seeded SM-LWFA and pseudo-resonant LWFA experiments - (STELLA-LW)

Update on seeded SM-LWFA and pseudo-resonant LWFA experiments - (STELLA-LW)

The Staged Electron Laser Acceleration - Laser Wakefield (STELLA-LW) experiment is investigating two new methods for laser wakefield acceleration (LWFA) using the TW CO2 laser available at the Brookhaven National Laboratory Accelerator Test Facility. The first is seeded self-modulated LWFA where an...

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Bibliographic Details
Main Authors: Kimura, W, Andreev, N, Babzien, M, Cline, D, Ding, X, Hooker, S, Kallos, E, Katsouleas, T, Kusche, K, Kuznetsov, S, Muggli, P, Pavlishin, I, Pogorelsky, I, Pogosova, A, Steinhauer, L, Stolyarov, D, Ting, A, Yakimenko, V, Zigler, A, Zhou, F
Format: Journal article
Language:English
Published: 2006
Description
Summary:The Staged Electron Laser Acceleration - Laser Wakefield (STELLA-LW) experiment is investigating two new methods for laser wakefield acceleration (LWFA) using the TW CO2 laser available at the Brookhaven National Laboratory Accelerator Test Facility. The first is seeded self-modulated LWFA where an ultrashort electron bunch (seed) precedes the laser pulse to generate a wakefield that the laser pulse subsequently amplifies. The second is pseudo-resonant LWFA where nonlinear pulse steepening of the laser pulse occurs in the plasma allowing the laser pulse to generate significant wakefields. The status of these experiments is reviewed. Evidence of wakefield generation caused by the seed bunches has been obtained as well as preliminary energy gain measurements of a witness bunch following the seeds. Comparison with a 1-D linear model for the wakefield generation appears to agree with the data. © 2006 American Institute of Physics.

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