Time-resolved 2-photon photoionization on metallic nanoparticles

被引：20

作者：

Fierz, M ^{[1
]}

Siegmann, K

Scharte, M

Aeschlimann, M

机构：

[1] ETH Zurich, Lab Combust Aerosols & Suspended Particles, Zurich, Switzerland

[2] Univ Essen Gesamthsch, Inst Laser & Plasma Phys, D-4300 Essen 1, Germany

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 1999年 / 68卷 / 03期

关键词：

D O I：

10.1007/s003400050642

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A new method for investigating the electron dynamics of free metallic nanoparticles suspended in a carrier gas is described. Monodisperse nanoparticles in the size range from 10 to 80 nm pass through a photoionization tube, where they are irradiated by a pump and a probe fs laser pulse. The nonlinear effect caused by the two photon photoionization process allows to study the inelastic lifetime of optically excited electrons in the intermediate state in the time domain by means of a crosscorrelation experiment.

引用

页码：415 / 418

页数：4

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