Interaction of an ultrashort laser pulse and relativistic electron beam in a corrugated plasma channel

2009 ◽  
Vol 80 (1) ◽  
Author(s):  
J. P. Palastro ◽  
T. M. Antonsen
Keyword(s):  
Electron Beam ◽  
Laser Pulse ◽  
Relativistic Electron ◽  
Relativistic Electron Beam ◽  
Ultrashort Laser Pulse ◽  
Plasma Channel ◽  
Ultrashort Laser

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

1997 ◽  
Vol 58 (4) ◽  
pp. 613-621 ◽  
Author(s):  
JETENDRA PARASHAR ◽  
H. D. PANDEY ◽  
A. K. SHARMA ◽  
V. K. TRIPATHI
Keyword(s):  
Electron Beam ◽  
Electromagnetic Wave ◽  
Laser Radiation ◽  
Laser Pulse ◽  
Free Electron Laser ◽  
Relativistic Electron Beam ◽  
Plasma Channel ◽  
Beam Quality ◽  
Coherent Radiation ◽  
Millimetre Wave

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.

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