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

  • JETENDRA PARASHAR (a1), H. D. PANDEY (a2), A. K. SHARMA (a2) and V. K. TRIPATHI (a2)

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.

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Permanent address: Center for Energy Studies, IIT, Hauzkhas, New Delhi 110 016, India.
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Electromagnetic-wave-pumped free-electron laser in a plasma channel

  • JETENDRA PARASHAR (a1), H. D. PANDEY (a2), A. K. SHARMA (a2) and V. K. TRIPATHI (a2)

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