Compression of TW class laser pulses in a planar hollow waveguide for applications in strong-field physics

  • Amélie Jarnac
  • , Fernando Brizuela
  • , Christoph M. Heyl
  • , Piotr Rudawski
  • , Filippo Campi
  • , Byunghoon Kim
  • , Linnea Rading
  • , Per Johnsson
  • , André Mysyrowicz
  • , Anne L'Huillier
  • , Aurélien Houard
  • , Cord L. Arnold

Research output: Contribution to journalArticlepeer-review

Abstract

We demonstrate pulse post-compression of a TW class chirped pulse amplification laser employing a gas-filled planar hollow waveguide. A waveguide throughput of 80% is achieved for 50 mJ input pulse energy. Good focusability is found and after compression with chirped mirrors a pulse duration of sub-15 fs is measured in the beam center. Whereas a total energy efficiency of ≈70% should be achievable, our post-compressor currently delivers 20 mJ output pulse energy (≈40% efficiency), mostly limited by apertures of chirped mirrors and vacuum windows. The viability of the planar hollow waveguide compression scheme for applications in strong-field physics is demonstrated by generating high-order harmonics in a pulsed Ar gas cell.

Original languageEnglish
Article number373
JournalEuropean Physical Journal D
Volume68
Issue number12
DOIs
Publication statusPublished - 16 Dec 2014

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