scholarly journals Experimental study of the communication performance of electromagnetic wave in time-varying and magnetized plasma channel

2016 ◽  
Vol 65 (5) ◽  
pp. 055201
Author(s):  
Bo Yong ◽  
Zhao Qing ◽  
Luo Xian-Gang ◽  
Fan Jia ◽  
Liu Ying ◽  
...  
Keyword(s):  
Experimental Study ◽  
Electromagnetic Wave ◽  
Plasma Channel ◽  
Magnetized Plasma ◽  
Time Varying ◽  
Communication Performance

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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