Ultrafast Laser-Induced Electron Emission from Field Emission Tips

被引：0

作者：

Kealhofer, Catherine ^{[1
]}

Foreman, Seth M. ^{[1
]}

Hommelhoff, Peter ^{[2
]}

Kasevich, Mark A. ^{[1
]}

机构：

[1] Stanford Univ, Dept Phys, Stanford, CA 94305 USA

[2] Max Planck Inst Quantum Opt, Garching, Germany

来源：

ULTRAFAST PHENOMENA XVI | 2009年 / 92卷

关键词：

CYCLE;

D O I：

暂无

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We describe a laser-triggered electron source based on a field emission tip. Numerical results indicate that the electron emission times can be sub-femtosecond. We are exploring applications of this source to ultrafast SEM, and have begun characterization of emission mechanisms in an alternate tip material, hafnium carbide. Here we observe a higher efficiency in laser emission and, at high power, non-additive scaling as the number of incident laser pulses per second is doubled.

引用

页码：702 / +

页数：2

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