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Figure 2
Peak on-axis brightness measurements recorded at magnetic gap openings of 3.3, 3.7, 4.0, 4.5, 5.0, 5.5, 6.0 and 6.5 mm. The three curves represent the first, second and third undulator harmonics. |
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Figure 2
Peak on-axis brightness measurements recorded at magnetic gap openings of 3.3, 3.7, 4.0, 4.5, 5.0, 5.5, 6.0 and 6.5 mm. The three curves represent the first, second and third undulator harmonics. |