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Figure 4
Performance of the APPLE-Knot undulator with structure shown in Fig. 1[link](f) in horizontal (red), vertical (blue) and circular (green) modes. (a) Vertical (dashed lines) and horizontal (solid lines) magnetic fields. (b) Fluxes (left axis, solid lines) and linear or circular polarization (right axis, dashed lines) at different photon energy. Electron orbitals [(c), (d), (e)] and velocities [(f), (g), (h)] in horizontal, vertical and circular modes.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 27| Part 6| November 2020| Pages 1494-1498
https://doi.org/10.1107/S1600577520011753
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