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Figure 1
Beam divergence (orange line, right axis) and useful beam footprint length (black line, left axis) on the KB mirror, as a function of the FEL fundamental beam photon energy. |
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Figure 1
Beam divergence (orange line, right axis) and useful beam footprint length (black line, left axis) on the KB mirror, as a function of the FEL fundamental beam photon energy. |