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Influence of magnetic field inhomogeneity of the plane wiggler on the spectral distribution of spontaneous radiation and on the gain

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Journal of Contemporary Physics (Armenian Academy of Sciences) Aims and scope

Abstract

The spectral distribution of spontaneous emission and the gain for electrons moving in a plane wiggler (an undulator) with inhomogeneous magnetic field are calculated. It is shown that electrons perform composite motion, consisted of a slow (strophotron) and fast (undulator) components. The equations of coupled motion of electrons is obtained by averaging the equations of undulator motion. It is shown that the allowance for the magnetic field inhomogeneity leads to an appearance of additional peaks both in the spectral distribution of spontaneous radiation and in the gain.

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Authors and Affiliations

  1. A.I. Alikhanyan National Scientific Laboratory, Yerevan, Armenia

    K. B. Oganesyan

Authors
  1. K. B. Oganesyan
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Correspondence to K. B. Oganesyan.

Additional information

Original Russian Text © K.B. Oganesyan, 2015, published in Izvestiya NAN Armenii, Fizika, 2015, Vol. 50, No. 2, pp. 169–175.

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Oganesyan, K.B. Influence of magnetic field inhomogeneity of the plane wiggler on the spectral distribution of spontaneous radiation and on the gain. J. Contemp. Phys. 50, 123–128 (2015). https://doi.org/10.3103/S1068337215020036

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  • DOI: https://doi.org/10.3103/S1068337215020036

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