Applied Physics A Solids and Surfaces

, Volume 59, Issue 5, pp 537–540 | Cite as

Nonlinear photoelectric emission from metals

  • M. Falke
  • R. Hippler
Surfaces and Multilayers

Abstract

The nonlinear photoeffect of gold was investigated with a sub-picosecond laser at a photon energy of 2.57 eV. Absorption of a minimum of two photons is required to produce photoelectrons. The measured electron spectra display a broad continuum resulting from absorption of additional photons. The intensity dependence was examined by means of the pump-probe technique and yields the order of non-linearity for the investigated process.

PACS

79.20 79.60 

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Copyright information

© Springer-Verlag 1994

Authors and Affiliations

  • M. Falke
    • 1
  • R. Hippler
    • 1
  1. 1.Fakultät für PhysikUniversität BielefeldBielefeldGermany

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