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Keywords:

  • chirality;
  • circular dichroism;
  • femtosecond laser pulses;
  • multiphoton ionization;
  • photoelectron spectroscopy
Thumbnail image of graphical abstract

Mirror, mirror The ionization of chiral molecules with circularly polarized light creates an enhancement of the photoelectron angular distribution in the forward direction relative to the laser beam. The mirror-image distribution is obtained with the mirror-image enantiomer. The effect allows enantiomers to be distinguished in the gas phase. To date a synchrotron source was required, now as T. Baumert and co-workers show in their Communication on page 5001 ff., only a laser set-up is necessary.