Pendulum Equations and Low Gain Regime
DOI:
https://doi.org/10.23730/CYRSP-2018-001.355Keywords:
Free-electron laser, theory, low-gain regime, resonance condition.Abstract
This paper introduces the theoretical framework for the motion of an electron in the periodic field of an undulator and wiggler. It is a continuation of the previous article on motion in the undulator but includes the interaction with a co-propagating radiation field. The longitudinal motion of each electron is similar to a pendulum and, in resonance with the co-propagating field, energy can be exchanged between the electron beam and the radiation field in the small signal low-gain regime of the free-electron laser.
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Published
2018-04-11
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Submission to the proceedings of the CAS2016 – Free Electron Lasers and Energy Recovery Linacs
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