Temporal characterization of a self-modulated laser wakefield

S. P. Le Blanc, M. C. Downer, R. Wagner, S. Y. Chen, A. Maksimchuk, G. Mourou, D. Umstadter

Research output: Contribution to journalArticle

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Abstract

The temporal envelope of plasma density oscillations in the wake of an intense (I˜4 × 1018 W/cm2, λ = 1 μm) laser pulse (400 fs) is measured using forward Thomson scattering from a copropagating, frequency-doubled probe pulse. The wakefield oscillations in a fully ionized helium plasma (ne = 3×1019 cm-3) are observed to reach maximum amplitude (δne/ne˜0.1) 300 fs after the pump pulse. The wakefield growth (3.5 ps-1) and decay (1.9 ps-1) rates are consistent with the forward Raman scattering instability and Landau damping, respectively.

Original languageEnglish (US)
Pages (from-to)5381-5384
Number of pages4
JournalPhysical Review Letters
Volume77
Issue number27
DOIs
StatePublished - Jan 1 1996

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forward scattering
pulses
lasers
helium plasma
oscillations
Landau damping
Thomson scattering
wakes
plasma density
envelopes
damping
Raman spectra
pumps
probes
decay

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Le Blanc, S. P., Downer, M. C., Wagner, R., Chen, S. Y., Maksimchuk, A., Mourou, G., & Umstadter, D. (1996). Temporal characterization of a self-modulated laser wakefield. Physical Review Letters, 77(27), 5381-5384. https://doi.org/10.1103/PhysRevLett.77.5381

Temporal characterization of a self-modulated laser wakefield. / Le Blanc, S. P.; Downer, M. C.; Wagner, R.; Chen, S. Y.; Maksimchuk, A.; Mourou, G.; Umstadter, D.

In: Physical Review Letters, Vol. 77, No. 27, 01.01.1996, p. 5381-5384.

Research output: Contribution to journalArticle

Le Blanc, SP, Downer, MC, Wagner, R, Chen, SY, Maksimchuk, A, Mourou, G & Umstadter, D 1996, 'Temporal characterization of a self-modulated laser wakefield', Physical Review Letters, vol. 77, no. 27, pp. 5381-5384. https://doi.org/10.1103/PhysRevLett.77.5381
Le Blanc SP, Downer MC, Wagner R, Chen SY, Maksimchuk A, Mourou G et al. Temporal characterization of a self-modulated laser wakefield. Physical Review Letters. 1996 Jan 1;77(27):5381-5384. https://doi.org/10.1103/PhysRevLett.77.5381
Le Blanc, S. P. ; Downer, M. C. ; Wagner, R. ; Chen, S. Y. ; Maksimchuk, A. ; Mourou, G. ; Umstadter, D. / Temporal characterization of a self-modulated laser wakefield. In: Physical Review Letters. 1996 ; Vol. 77, No. 27. pp. 5381-5384.
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