Femtosecond cubic optical nonlinearity of thin nickel films

被引：18

作者：

Bennett, PJ ^{[1
]}

Albanis, V ^{[1
]}

Svirko, YP ^{[1
]}

Zheludev, NI ^{[1
]}

机构：

[1] Univ Southampton, Dept Phys & Astron, Southampton SO17 1BJ, Hants, England

来源：

OPTICS LETTERS | 1999年 / 24卷 / 19期

关键词：

D O I：

10.1364/OL.24.001373

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Transient pump-probe measurements of circular anisotropy in nickel films induced by 38-fs optical pulses show an instantaneous response that is related to the optical orientation of the spins of free electrons. Measurements in a sample of variable thickness, performed in both transmission and reflection, revealed that the surface significantly influences the degenerate cubic optical nonlinearity of the nickel films to a depth of approximately 4-5 nm into the bulk. (C) 1999 Optical Society of America OCIS codes: 190.7110, 190.4710, 190.4350, 160.3900, 320.2250, 320.7110.

引用

页码：1373 / 1375

页数：3

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