Lateral electron transport in high-intensity laser-irradiated foils diagnosed by ion emission

被引：84
|
作者：
McKenna, P. [1 ]
Carroll, D. C.
Clarke, R. J.
Evans, R. G.
Ledingham, K. W. D.
Lindau, F.
Lundh, O.
McCanny, T.
Neely, D.
Robinson, A. P. L.
Robson, L.
Simpson, P. T.
Wahlstrom, C. -G.
Zepf, M.
机构：
[1] Univ Strathclyde, Dept Phys, SUPA, Glasgow G4 0NG, Lanark, Scotland
[2] Rutherford Appleton Lab, CCLRC, Didcot OX14 0QX, Oxon, England
[3] Lund Univ, Dept Phys, S-22100 Lund, Sweden
[4] Queens Univ Belfast, Dept Phys & Astron, Belfast BT7 1NN, Antrim, North Ireland
[5] Univ London Imperial Coll Sci Technol & Med, Dept Phys, London SW7 2AZ, England
来源：
PHYSICAL REVIEW LETTERS | 2007年 / 98卷 / 14期
基金：
英国工程与自然科学研究理事会;
关键词：
D O I：
10.1103/PhysRevLett.98.145001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
An experimental investigation of lateral electron transport in thin metallic foil targets irradiated by ultraintense (>= 10(19) W/cm(2)) laser pulses is reported. Two-dimensional spatially resolved ion emission measurements are used to quantify electric-field generation resulting from electron transport. The measurement of large electric fields (similar to 0.1 TV/m) millimeters from the laser focus reveals that lateral energy transport continues long after the laser pulse has decayed. Numerical simulations confirm a very strong enhancement of electron density and electric field at the edges of the target.
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页数：4
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