Article

Applied Physics B

, Volume 74, Issue 3, pp 197-206

First online:

A dispersionless Michelson interferometer for the characterization of attosecond pulses

  • E. GoulielmakisAffiliated withFoundation for Research and Technology – Hellas, Institute of Electronic Structure & Lasers, Laser and Applications Division, P.O. Box 1527, 71110 Heraklion, Crete, Greece
  • , G. NersisyanAffiliated withFoundation for Research and Technology – Hellas, Institute of Electronic Structure & Lasers, Laser and Applications Division, P.O. Box 1527, 71110 Heraklion, Crete, Greece
  • , N.A. PapadogiannisAffiliated withFoundation for Research and Technology – Hellas, Institute of Electronic Structure & Lasers, Laser and Applications Division, P.O. Box 1527, 71110 Heraklion, Crete, Greece
  • , D. CharalambidisAffiliated withFoundation for Research and Technology – Hellas, Institute of Electronic Structure & Lasers, Laser and Applications Division, P.O. Box 1527, 71110 Heraklion, Crete, Greece
  • , G.D. TsakirisAffiliated withMax-Planck-Institut für Quantenoptik, 85748 Garching, Germany
  • , K. WitteAffiliated withMax-Planck-Institut für Quantenoptik, 85748 Garching, Germany

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Abstract

A novel application of a free-standing transmission grating as a beam splitter in a Michelson-type interferometer is described. The arrangement can operate in the XUV and soft X-ray spectral region and, therefore, it is well suited for the characterization of attosecond pulses. Using ray-tracing codes, we have analyzed three different setups in which spherical mirrors are employed in conjunction with the transmission grating and have investigated in detail their dispersive characteristics. It is shown that such an arrangement can be made to exhibit group-delay dispersion of ∼1 as2 while it provides two co-propagating and converging beams.

PACS: 42.60.By; 42.65.Re; 42.65.Ky