The 'all Wiggler' Synchrotron Radiation Source

Abstract
The concept of wigglers as insertions in storage rings dedicated to synchrotron radiation is now old, but only recently have multipole wigglers for S.R. sources actually been brought into use. This confirmed the flexibility of such sources, though experience of matching experimental rigs to them is still somewhat limited. The flexibility arising from the use of wigglers, plus the fact that the radiation flux no longer depends only on the beam current and energy but can be adjusted, at each source point, by choosing the number of wiggler poles and the wiggler field, means that the efficiency of a synchrotron radiation source can be increased. Whereas a conventional x-ray ring may allow extraction of 10% of its radiated power, an "Allwiggler-Machine" (AWM) with 40 wigglers may allow 50% of its radiated power to enter the beam lines. This concept has been developed for the European x-ray source now under discussion and an example of an outline design is described in the paper.

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