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Figure 1
(a) Generic mechanism for the emission of electromagnetic radiation, including X-rays: an electron has an acceleration a in the transverse direction y and emits waves in the longitudinal direction z. (b) To exploit relativity and produce short X-ray wavelengths, we add a longitudinal velocity v close to the speed of light. (c) A practical way to implement the mechanism (b), using a `bending magnet' (Margaritondo, 1988BB31) with a magnetic field of magnitude Bx in the transverse x-direction, which causes a Lorentz force along y.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 28| Part 3| May 2021| Pages 1014-1029
https://doi.org/10.1107/S1600577521003325
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