Transverse and longitudinal second-harmonic magneto-optic Kerr effect observed from Ni81Fe19 thin film structures

被引:11
作者
Crawford, TM
Rogers, CT
Silva, TJ
Kim, YK
机构
[1] NATL INST STAND & TECHNOL,BOULDER,CO 80303
[2] QUANTUM PERIPHERALS COLORADO INC,LOUISVILLE,CO 80028
关键词
D O I
10.1109/20.539272
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We report measurements of the second-harmonic magneto-optic Kerr effect in both transverse and longitudinal geometries from 100-nm-thick Ni81Fe19 films. For the transverse geometry, we observe intensity changes of roughly a factor of 3 upon magnetization reversal. In the longitudinal geometry, the second harmonic Kerr angle is 32.6 degrees for s-incidence and 6.8 degrees for p-incidence. A simple theoretical treatment allows us to compare the relevant second-order susceptibility elements as measured in the two geometries: the element magnitudes and relative phase shifts agree within experimental error.
引用
收藏
页码:4087 / 4089
页数:3
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