Measurements of self-guiding of ultrashort laser pulses over long distances

  • K. Poder
  • , J. M. Cole
  • , J. C. Wood
  • , N. C. Lopes
  • , S. Alatabi
  • , P. S. Foster
  • , C. Kamperidis
  • , O. Kononenko
  • , C. A. Palmer
  • , D. Rusby
  • , A. Sahai
  • , G. Sarri
  • , D. R. Symes
  • , J. R. Warwick
  • , S. P.D. Mangles
  • , Z. Najmudin

Research output: Contribution to journalArticlepeer-review

Abstract

We report on the evaluation of the performance of self-guiding over extended distances with and focussing geometries. Guiding over or more than 100 Rayleigh ranges was observed with the optic at . Analysis of guiding performance found that the extent of the exiting laser spatial mode closely followed the matched spot size predicted by 3D nonlinear theory. Self-guiding with an optic was also characterised, with guided modes observed for a plasma length of and a plasma density of . This corresponds to self-guided propagation over 53 Rayleigh ranges and is similar to distances obtained with discharge plasma channel guiding.

Original languageEnglish
Article number014022
JournalPlasma Physics and Controlled Fusion
Volume60
Issue number1
DOIs
Publication statusPublished - 1 Jan 2018
Externally publishedYes

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