Intensity and polarization effects of a single 30-psec laser pulse on five-photon surface photoeffect of gold
- 1 August 1975
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 27 (3), 110-112
- https://doi.org/10.1063/1.88399
Abstract
A single‐pulse 30‐psec Nd‐YAG laser was used to induce five‐photon photoelectric emission from a gold metal cathode. The time and the spectral distributions were Gaussian. The pulse was selected from a mode‐locked pulse train and amplified. Theoretically predicted intensity dependence curves have been obtained with a certain decrease of the photoionization probability towards the high light intensities. The measured polarization dependence shows that the photoeffect is a surface one. However, an interesting effect was found, which seems to be connected with the phase relations of the oscillating em field components.Keywords
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