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Figure 1
Magnetic coils (upper) and permanent-magnet array (bottom) of an undulator that produce the desired horizontal and vertical fields, respectively. The permanent-magnet array is sandwiched between the coils. |
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Figure 1
Magnetic coils (upper) and permanent-magnet array (bottom) of an undulator that produce the desired horizontal and vertical fields, respectively. The permanent-magnet array is sandwiched between the coils. |