EFFECTS OF SURFACE MAGNETISM ON OPTICAL 2ND HARMONIC-GENERATION

被引：189
|
作者：
REIF, J
ZINK, JC
SCHNEIDER, CM
KIRSCHNER, J
机构：
[1] Institut F̈r Experimentalphysik, Freie Universität Berlin, W-1000 Berlin 33
来源：
PHYSICAL REVIEW LETTERS | 1991年 / 67卷 / 20期
关键词：
D O I：
10.1103/PhysRevLett.67.2878
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We report on the first experiments showing the influence of surface magnetization on optical second harmonic generation in reflection at a Fe(110) surface. The magneto-optical Kerr effect modifies the hyperpolarizability of the surface in the optical field, leading to a dependence of the second harmonic yield on the direction of magnetization relative to the light fields. For the clean surface an effect of 25% was determined, which decays exponentially with surface contamination by the residual gas, thus demonstrating the high surface sensitivity of this technique.
引用
收藏
页码：2878 / 2881
页数：4
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