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Electron acceleration to high energy by using two chirped lasers

Published online by Cambridge University Press:  28 February 2007

D. N. GUPTA
Affiliation:
Center for Advanced Accelerators, Korea Electrotechnology Research Institute, Changwon, Korea
H. SUK
Affiliation:
Center for Advanced Accelerators, Korea Electrotechnology Research Institute, Changwon, Korea

Abstract

A scheme for electron acceleration by two crossing chirped lasers has been proposed. An important effect of a frequency chirp of the laser is investigated. Two high intensity chirped lasers, with the same amplitude and frequency, crossing at an arbitrary angle in a vacuum, interfere, causing modulation of laser intensity. An electron experiences a ponderomotive force due to the resultant field of lasers and gains considerable energy. For a certain crossing angle, the electron gains maximum energy due to the constructive interference. A frequency chirp of the laser plays an important role during the electron acceleration in a vacuum. The electron momentum increases due to the frequency chirp. Hence, the electron energy is enhanced during acceleration.

Type
Research Article
Copyright
© 2007 Cambridge University Press

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References

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