Top arrow pointing up

Resources

Resources

Guided Mode Evolution and Ionization Injection in Meter-Scale Multi-GeV Laser Wakefield Accelerators

Jul 26, 2024. Publications

Abstract

We show that multi-GeV laser wakefield electron accelerators in meter-scale, low density hydrodynamic plasma waveguides operate in a new nonlinear propagation regime dominated by sustained beating of lowest order modes of the ponderomotively modified channel; this occurs whether or not the injected pulse is linearly matched to the guide. For a continuously doped gas jet, this emergent mode beating effect leads to axially modulated enhancement of ionization injection and a multi-GeV energy spectrum of multiple quasimonoenergetic peaks; the same process in a locally doped jet produces single multi-GeV peaks with <10% energy spread. A three-stage model of drive laser pulse evolution and ionization injection characterizes the beating effect and explains our experimental results.


DOI: https://doi.org/10.1103/PhysRevLett.133.045002

More From Publications

Apr 17, 2025    Publications

Graphical user interface algorithms to retrieve cylindrically symmetric gas jet and laser-induced plasma densities from interferograms

J. R. dos Santos, A. V. F. Zuffi, N. D. Vieira, E. P. Maldonado, and R. E. Samad. Appl. Opt. 64, 3371 (2025).

Read more

Apr 15, 2025    Publications

Meter-scale supersonic gas jets for multi-GeV laser-plasma accelerators

B. Miao, J. E. Shrock, E. Rockafellow, A. J. Sloss, and H. M. Milchberg. Rev. Sci. Instrum. 96, 043003 (2025).

Read more

Mar 19, 2025    Publications

Laser-driven high-resolution MeV x-ray tomography

R. Hollinger, S. Wang, S. Z. Anaraki, J. King, P. Zhang, G. Zeraouli, A. Figueroa Bengoa, M. Sheats, S. Scott, J....

Read more

Mar 13, 2025    Publications

Modeling and design of compact, permanent-magnet transport systems for highly divergent, broad energy spread laser-driven proton beams

J. De Chant, K. Nakamura, Q. Ji, L. Obst-Huebl, S. Barber, A. M. Snijders, C. G. R. Geddes, J. van Tilborg, A. J....

Read more

Feb 26, 2025    Publications

Angularly resolved spectral reconstruction of x rays via filter pack attenuation

R. Fitzgarrald, J. A. Cardarelli, P. T. Campbell, S. Fourmaux, M. D. Balcazar, A. F. Antoine, N. F. Beier, Q. Qian,...

Read more

Feb 7, 2025    Publications

Compact in-vacuum gamma-ray spectrometer for high-repetition rate PW-class laser–matter interaction

G. Fauvel, K. Tangtartharakul, A. Arefiev, J. De Chant, S. Hakimi, O. Klimo, M. Manuel, A. McIlvenny, K. Nakamura, L....

Read more