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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  and
H. SUK
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
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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.

Keywords

InterferenceLaser frequency chirpVacuum electron acceleration

Information

Type
Research Article
Information
Laser and Particle Beams , Volume 25 , Issue 1 , March 2007 , pp. 31 - 36
Copyright
© 2007 Cambridge University Press

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