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Cyclotron resonance effects on electron acceleration by two lasers of different wavelengths

Published online by Cambridge University Press:  17 April 2012

D.N. Gupta ,
K.P. Singh  and
H. Suk
D.N. Gupta*
Affiliation:
Department of Physics and Astrophysics, University of Delhi, Delhi, India
K.P. Singh
Affiliation:
School of Physics, University of Sydney, New South Wales, Australia
H. Suk
Affiliation:
Advanced Photonics Research Institute and Graduate Program of Photonics and Applied Physics, Gwangju Institute of Science and Technology, Gwangju, Korea
*
Address correspondence and reprint requests to: D. N. Gupta, Department of Physics and Astrophysics, University of Delhi, Delhi 110 007, India. E-mail: [email protected]
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Abstract

Cyclotron resonance effects on electron acceleration by two lasers of different wavelengths in the presence of a magnetic field have been investigated. Beating of two high-intensity lasers of different wavelengths, propagating in opposite direction to each other, can produce a high accelerating field gradient. An electron can be accelerated by such accelerating field to a sufficiently higher energy level. Additional energy gain has been observed due to the applied magnetic field. The magnetic field turns down the electrons to the acceleration region to extract more energy from the accelerating field produced by the beating of the lasers. At resonance, when the Larmor frequency is comparable to the laser frequency, this effect becomes more pronounced. Using some reasonable experimental parameters, we estimate the electron energy gain for this mechanism.

Keywords

Cyclotron resonanceElectron accelerationHigh-intensity lasers
Type
Research Article
Information
Laser and Particle Beams , Volume 30 , Issue 2 , June 2012 , pp. 275 - 280
Copyright
Copyright © Cambridge University Press 2012

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