Directed fast electron beams in ultraintense picosecond laser irradiated solid targets

被引：4

作者：

Ge, X. L. ^{[1
,2
,3
,4
,5
]}

Lin, X. X. ^{[6
]}

Yuan, X. H. ^{[1
,2
,3
,7
]}

Carroll, D. C. ^{[7
,8
]}

Gray, R. J. ^{[7
]}

Yu, T. P.

Tresca, O. ^{[7
]}

Chen, M. ^{[1
,2
,3
]}

Liu, F. ^{[1
,2
,3
]}

Zhuo, H. B. ^{[3
,9
]}

Zielbauer, B. ^{[10
]}

Zhao, L. ^{[4
,5
]}

Neely, D. ^{[7
,8
]}

Sheng, Z. M. ^{[1
,2
,3
,7
]}

Li, Y. T. ^{[3
,6
]}

McKenna, P. ^{[7
]}

机构：

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

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

[3] Shanghai Jiao Tong Univ, IFSA Collaborat Innovat Ctr, Shanghai 200240, Peoples R China

[4] Fudan Univ, State Key Lab Surface Phys, Shanghai 200433, Peoples R China

[5] Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China

[6] Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Inst Phys, Beijing 100190, Peoples R China

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

[8] STFC Rutherford Appleton Lab, Cent Laser Facil, Didcot OX11 0QX, Oxon, England

[9] Natl Univ Def Technol, Coll Sci, Changsha 410073, Hunan, Peoples R China

[10] Gesell Schwerionenforsch mbH, PHELIX Grp, D-64291 Darmstadt, Germany

来源：

APPLIED PHYSICS LETTERS | 2015年 / 107卷 / 09期

基金：

英国工程与自然科学研究理事会; 中国国家自然科学基金;

关键词：

ACCELERATION; GENERATION;

D O I：

10.1063/1.4930074

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on fast electron transport and emission patterns from solid targets irradiated by s-polarized, relativistically intense, picosecond laser pulses. A beam of multi-MeV electrons is found to be transported along the target surface in the laser polarization direction. The spatial-intensity and energy distributions of this beam are compared with the beam produced along the laser propagation axis. It is shown that even for peak laser intensities an order of magnitude higher than the relativistic threshold, laser polarization still plays an important role in electron energy transport. Results from 3D particle-in-cell simulations confirm the findings. The characterization of directional beam emission is important for applications requiring efficient energy transfer, including secondary photon and ion source development. (C) 2015 AIP Publishing LLC.

引用

页数：5

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