Radiation from relativistic electrons in "light" and in conventional undulators. Classical and quantum approaches

11th International Symposium on Radiation from Relativistic Electrons in Periodic Structures

Potylitsyn, A.P.^1,2 ; Kolchuzhkin, A.M.^3 ; Strokov, S.A.^1

National Research Tomsk Polytechnic University, Tomsk

634050, Russia^1

National Research Nuclear University MEPhl, Moscow

115409, Russia^2

Moscow State Technological University, Moscow

127994, Russia^3

关键词: Electron trajectories;    Intensity spectrum;    Non-linear regimes;    Photon emissions;    Quantum approach;    Relativistic electron;    Semiclassical approaches;    Undulator radiation;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/732/1/012010/pdf
DOI  :  10.1088/1742-6596/732/1/012010

来源: IOP

【 摘 要 】

A photon spectrum of undulator radiation (UR) is calculated in the semi-classical approach. The UR intensity spectrum is determined by an electron trajectory in the undulator neglecting by energy losses for radiation. Using the Planck's law, the UR photon spectrum can be calculated from the classical intensity spectrum both for linear and nonlinear regimes. The radiation of an electron in a field of strong electromagnetic wave (radiation in the "light" undulator) is considered in the quantum electromagnetic frame. Comparison of results obtained by both approaches has been shown that UR spectra in the whole cone coincide with high accuracy for the case x