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Effects of self-generated electric and magnetic fields in laser-generated fast electron propagation in solid materials: Electric inhibition and beam pinching

Published online by Cambridge University Press:  30 July 2001

A. BERNARDINELLO ,
D. BATANI ,
A. ANTONICCI ,
F. PISANI ,
M. KOENIG ,
L. GREMILLET ,
F. AMIRANOFF ,
S. BATON ,
E. MARTINOLLI  and
C. ROUSSEAUX
...Show all authors
A. BERNARDINELLO
Affiliation:
Dipartimento di Fisica “G. Occhialini” and INFM, Università degli Studi di Milano Bicocca, Piazza della Scienza, 3, 20126 Milano, Italy
D. BATANI
Affiliation:
Dipartimento di Fisica “G. Occhialini” and INFM, Università degli Studi di Milano Bicocca, Piazza della Scienza, 3, 20126 Milano, Italy
A. ANTONICCI
Affiliation:
Dipartimento di Fisica “G. Occhialini” and INFM, Università degli Studi di Milano Bicocca, Piazza della Scienza, 3, 20126 Milano, Italy
F. PISANI
Affiliation:
Dipartimento di Fisica “G. Occhialini” and INFM, Università degli Studi di Milano Bicocca, Piazza della Scienza, 3, 20126 Milano, Italy
M. KOENIG
Affiliation:
LULI, UMR n.7605, CNRS–CEA–X–Paris VI, Ecole Polytechnique, 91128 Palaiseau, France
L. GREMILLET
Affiliation:
LULI, UMR n.7605, CNRS–CEA–X–Paris VI, Ecole Polytechnique, 91128 Palaiseau, France
F. AMIRANOFF
Affiliation:
LULI, UMR n.7605, CNRS–CEA–X–Paris VI, Ecole Polytechnique, 91128 Palaiseau, France
S. BATON
Affiliation:
LULI, UMR n.7605, CNRS–CEA–X–Paris VI, Ecole Polytechnique, 91128 Palaiseau, France
E. MARTINOLLI
Affiliation:
LULI, UMR n.7605, CNRS–CEA–X–Paris VI, Ecole Polytechnique, 91128 Palaiseau, France
C. ROUSSEAUX
Affiliation:
Commisariat à l'Energie Atomique, 91680 Bruyères-le Châtel, France
T.A. HALL
Affiliation:
University of Essex, Wivenhoe Park, Colchester CO4 35Q, United Kingdom
P. NORREYS
Affiliation:
Central Laser Facility, Rutherford Appleton Laboratory, Chilton, Didcot, OX11 0QX, United Kingdom
A. DJAOUI
Affiliation:
Central Laser Facility, Rutherford Appleton Laboratory, Chilton, Didcot, OX11 0QX, United Kingdom
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Abstract

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We present some experimental results which demonstrate the presence of electric inhibition in the propagation of relativistic electrons generated by intense laser pulses, depending on target conductivity. The use of transparent targets and shadowgraphic techniques has made it possible to evidence electron jets moving at the speed of light, an indication of the presence of self-generated strong magnetic fields.

Type
Research Article
Information
Laser and Particle Beams , Volume 19 , Issue 1 , January 2001 , pp. 59 - 65
Copyright
© 2001 Cambridge University Press