Measurements of forward scattered spectra from intense laser interactions in the forced laser wake-field regime - Archive ouverte HAL Access content directly
Journal Articles Plasma Physics and Controlled Fusion Year : 2005

Measurements of forward scattered spectra from intense laser interactions in the forced laser wake-field regime

(1) , (1) , (1) , (1) , (1) , (2) , (2) , (2)
1
2
B. Walton
  • Function : Author
Z. Najmudin
  • Function : Author
A.E. Dangor
  • Function : Author
F. Burgy
Victor Malka

Abstract

Results of an experiment using an ultra-short laser pulse to create plasma waves through the forced laser wake-field process are described. The transmitted optical spectra are shown to exhibit both red- and blue-shifting, likely due to self-phase modulation through the interaction between the laser pulse and a large amplitude plasma wave. Spectral side-bands shifted by multiples of the plasma frequency associated with the forward Raman instability (FRS) are absent, indicating that the plasma waves which are observed to accelerate electrons are likely not generated through the FRS process. One- and two-dimensional particle-in-cell simulations using similar parameters as the experiment are discussed.

Dates and versions

hal-00502514 , version 1 (15-07-2010)

Identifiers

Cite

B. Walton, S.P.D Mangles, Z. Najmudin, K. Krushelnick, A.E. Dangor, et al.. Measurements of forward scattered spectra from intense laser interactions in the forced laser wake-field regime. Plasma Physics and Controlled Fusion, 2005, 48 (1), pp.29-37. ⟨10.1088/0741-3335/48/1/003⟩. ⟨hal-00502514⟩
80 View
0 Download

Altmetric

Share

Gmail Facebook Twitter LinkedIn More