Near-field second harmonic generation from a rough metal surface

被引：112
作者：
Smolyaninov, II
Zayats, AV
Davis, CC
机构：
[1] Electrical Engineering Department, University of Maryland, College Park
来源：
PHYSICAL REVIEW B | 1997年 / 56卷 / 15期
关键词：
D O I：
10.1103/PhysRevB.56.9290
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Local second-harmonic generation (SHG) from a rough metal surface has been measured using a near-field optical microscope. The dependence of the SH signal on the tip-surface distance for excitation with S-and P-polarized light shows the presence of evanescent SH field components. With excitation by S-polarized light the SHG over the rough surface is found to be strongly related to surface topography. For P-polarized light excitation, local enhancement of SH emission have been observed that may be attributed to SH field localization.
引用
收藏
页码：9290 / 9293
页数：4
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