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Electromagnetic-wave-pumped free-electron laser in a plasma channel

Published online by Cambridge University Press:  01 December 1997

JETENDRA PARASHAR ,
H. D. PANDEY ,
A. K. SHARMA  and
V. K. TRIPATHI
JETENDRA PARASHAR
Affiliation:
Department of Physics, Samrat Ashok Technological Institute, Vidisha (MP) 464 001, India
H. D. PANDEY
Affiliation:
Department of Physics, Indian Institute of Technology, Hauzkhas, New Delhi 110 016, India
A. K. SHARMA
Affiliation:
Department of Physics, Indian Institute of Technology, Hauzkhas, New Delhi 110 016, India
V. K. TRIPATHI
Affiliation:
Department of Physics, Indian Institute of Technology, Hauzkhas, New Delhi 110 016, India
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Abstract

An intense short laser pulse or a millimetre wave propagating through a plasma channel may act as a wiggler for the generation of shorter wavelengths. When a relativistic electron beam is launched into the channel from the opposite direction, the laser radiation is Compton/Raman backscattered to produce coherent radiation at shorter wavelengths. The scheme, however, requires a superior beam quality with energy spread less than 1% in the Raman regime.

Type
Research Article
Information
Journal of Plasma Physics , Volume 58 , Issue 4 , December 1997 , pp. 613 - 621
Copyright
1997 Cambridge University Press

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