Investigation of transient surface electric field induced by femtosecond laser irradiation of aluminum

被引：11

作者：

Li, Run-Ze ^{[1
,2
]}

Zhu, Pengfei ^{[1
,2
]}

Chen, Long ^{[1
,2
]}

Xu, Tong ^{[1
,2
]}

Chen, Jie ^{[1
,2
]}

Cao, Jianming ^{[1
,2
,3
,4
]}

Sheng, Zheng-Ming ^{[1
,2
,5
]}

Zhang, Jie ^{[1
,2
]}

机构：

[1] Shanghai Jiao Tong Univ, Minist Educ, Key Lab Laser Plasmas, Shanghai 200240, Peoples R China

[2] Shanghai Jiao Tong Univ, Dept Phys & Astron, Shanghai 200240, Peoples R China

[3] Florida State Univ, Dept Phys, Tallahassee, FL 32310 USA

[4] Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32310 USA

[5] Univ Strathclyde, Dept Phys, SUPA, Glasgow G4 0NG, Lanark, Scotland

来源：

NEW JOURNAL OF PHYSICS | 2014年 / 16卷

基金：

中国国家自然科学基金; 美国国家科学基金会;

关键词：

transient electric field; ultrafast electron diffraction; photoemission spectroscopy; PHOTOEMISSION-SPECTROSCOPY; PHOTOELECTRIC-EMISSION; METALS; CRYSTALLOGRAPHY; DIFFRACTION; ABLATION; SOLIDS; MIRROR; PULSES; DAMAGE;

D O I：

10.1088/1367-2630/16/10/103013

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Transient surface electric fields induced by femtosecond laser irradiation of an aluminum film were investigated directly by ultrashort electron pulses. At pump intensities of 2.9 similar to 7.1 x 10(10) W cm(-2), the transient electric fields last at least one nanosecond with a maximum field strength of 3.2 similar to 5.3 x 10(4) V m(-1) at 120 mu m above the aluminum surface. The transient electric fields and the associated evolution of photoelectrons were explained by a 'three-layer' model. The potential influence of such fields on reflection ultrafast electron diffraction and time-resolved angle-resolved photoemission spectroscopy were evaluated.

引用

页数：13

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