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Open Access Publications from the University of California

VUV and XUV reflectance of optically coated mirrors for selection of high harmonics.

  • Author(s): Larsen, KA
  • Cryan, JP
  • Shivaram, N
  • Champenois, EG
  • Wright, TW
  • Ray, D
  • Kostko, O
  • Ahmed, M
  • Belkacem, A
  • Slaughter, DS
  • et al.

We report the reflectance, ~1° from normal incidence, of six different mirrors as a function of photon energy, using monochromatic vacuum ultraviolet (VUV) and extreme ultraviolet (XUV) radiation with energies between 7.5 eV and 24.5 eV. The mirrors examined included both single and multilayer optical coatings, as well as an uncoated substrate. We discuss the performance of each mirror, paying particular attention to the potential application of suppression and selection of high-order harmonics of a Ti:sapphire laser.

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