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Figure 2
Top: ratio of the equilibrium horizontal emittance of existing third-generation synchrotron light sources over the diffraction-limit value, at three undulator radiation wavelengths defined by the parameters in the legend (see also Table 1[link]). The three wavelengths at the beam energy of 3 GeV are λ = 74 nm (blue), 10 nm (red) and 2 nm (green). Bottom: equilibrium horizontal emittance of a 500 m-circumference synchrotron light source based on a DBA lattice re-scaled with the number of dipoles per cell over the same circumference, and with energy (red lines). The undulator wavelengths defined above versus beam energy are superimposed (blue lines).

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 25| Part 5| September 2018| Pages 1323-1334
https://doi.org/10.1107/S160057751800810X
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