NONLINEAR PHOTOELECTRIC-EMISSION FROM METALS

被引:4
作者
FALKE, M
HIPPLER, R
机构
[1] Fakultät für Physik, Universität Bielefeld, Bielefeld, D-33501
来源
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 1994年 / 59卷 / 05期
关键词
D O I
10.1007/BF00348271
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
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.
引用
收藏
页码:537 / 540
页数:4
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