Femtosecond microscopy of surface plasmon polariton wave packet evolution at the silver/vacuum interface

被引：240

作者：

Kubo, Atsushi

Pontius, Niko

Petek, Hrvoje ^{[1
]}

机构：

[1] Univ Pittsburgh, Dept Phys & Astron, Pittsburgh, PA 15260 USA

[2] Univ Pittsburgh, Petersen Inst NanoSci & Engn, Pittsburgh, PA 15260 USA

[3] Japan Sci & Technol Agcy, PRESTO, Kawaguchi, Saitama, Japan

来源：

NANO LETTERS | 2007年 / 7卷 / 02期

关键词：

D O I：

10.1021/nl0627846

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A movie of the dispersive and dissipative propagation of surface plasmon polariton (SPP) wave packets at a silver/vacuum interface is recorded by the interferometric time-resolved photoemission electron microscopy with 60 nm spatial resolution and 330 as frame interval. The evolution of SPP wave packets is imaged through a two-path interference created by a pair of 10 fs phase correlated pump-probe light pulses at 400 nm. The wave packet evolution is simulated using the complex dielectric function of silver.

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收藏

页码：470 / 475

页数：6

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