Four-photon picosecond spectroscopy of ultrathin ferromagnetic Ni films

被引：0
|
作者：
Petnikova, VM [1 ]
Rudenko, KV [1 ]
Shuvalov, VV [1 ]
机构：
[1] Moscow MV Lomonosov State Univ, Ctr Int Laser, Moscow 119899, Russia
来源：
LASER PHYSICS | 1999年 / 9卷 / 02期
关键词：
D O I：
暂无
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Biharmonic pumping technique was used to study four-photon nonlinear response of ultrathin ferromagnetic metal films (Ni, thickness down to 17 nm) and some reference samples (Bi and Au). In the case of Ni films, we found specific two-photon resonant feature on a side wing of dependence of self-diffraction efficiency versus frequency detuning of biharmonic pumping components. We interpret this feature as a manifestation of Ni ferromagnetism.
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页码：441 / 445
页数：5
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