 | Acta Crystallographica Section D Acta Crystallographica Section D BIOLOGICAL CRYSTALLOGRAPHY |
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![[Figure 1]](ba0018fig1mag.jpg)
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Figure 1
Insertion devices (IDs). (a) The various types of insertion device. Most insertion devices present a periodic sinusoidal magnetic field. They are then called multipole `wigglers' or `undulators' depending on the so-called deflection (or magnetic field) parameter K; K = αγ = B0λ, where α is the maximum deflection angle; B0, the maximum field strength, is in T and λ is in m. (b) Beam shapes generated by insertion devices. |
![[Figure 1]](ba0018fig1.jpg)
| BIOLOGICAL CRYSTALLOGRAPHY |
ISSN: 1399-0047
