Abstract
The spectral-angular distribution is obtained for the polarization components of the radiation of an electron in a plane undulator with a large magnitude of an arbitray electromagnetic field in the apparatus. It is shown that the radiation spectrum consists of individual maxima whose width and separation depend on the number of periods of the field in the apparatus, while the position of the maxima along the frequency scale is determined by the energy of the electron and its acceleration on the section of the trajectory from which the radiation is generated. If the electron trajectory is symmetric with respect to the inflection points, the radiation, in contrast to synchrotron radiation, is completely linearly polarized.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 9, pp. 95–98, September, 1981.
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Moiseev, M.B., Nikitin, M.M. & Épp, V.Y. Radiation of a relativistic electron in an undulator in the strong-field mode. Soviet Physics Journal 24, 870–874 (1981). https://doi.org/10.1007/BF00891339
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DOI: https://doi.org/10.1007/BF00891339