Nature Communications (Feb 2016)

Spectral phase measurement of a Fano resonance using tunable attosecond pulses

  • M. Kotur,
  • D. Guénot,
  • Á Jiménez-Galán,
  • D. Kroon,
  • E. W. Larsen,
  • M. Louisy,
  • S. Bengtsson,
  • M. Miranda,
  • J. Mauritsson,
  • C. L. Arnold,
  • S. E. Canton,
  • M. Gisselbrecht,
  • T. Carette,
  • J. M. Dahlström,
  • E. Lindroth,
  • A. Maquet,
  • L. Argenti,
  • F. Martín,
  • A. L’Huillier

DOI
https://doi.org/10.1038/ncomms10566
Journal volume & issue
Vol. 7, no. 1
pp. 1 – 6

Abstract

Read online

Resonant absorption of light in atoms can lead to autoionization, whose probability exhibits a Fano intensity profile. Here, the authors use attosecond pulses and weak infrared radiation to study the phase variation of the photoionization amplitude across an autoionization resonance in argon.