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Development of three new superconducting insertion devices for the ANKA storage ring

This paper is available in a repository.
This paper is available in a repository.

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Preprint: policy unknown
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Postprint: policy unknown
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Abstract

After a first successful test of a superconducting cold bore undulator in the synchrotron light source ANKA [1] a new generation of superconducting insertion devices are under construction or in a detailed planning phase at ANKA in collaboration with Babcock Noell GmbH (BNG). The first one, called SCU15, now under construction is an improved version of the existing undulator (15 mm period length, 100.5 full periods long, cold bore). The improvements are: less heat load from the beam to the superconducting coils and a reduced field error. The period length of the second device called SCUW can be switched electrically between 15 and 45 mm. The third one is a superconducting undulator which can tolerate a beam heat load of several Watts in combination with a small field error. This undulator is named SCU2. It is designed for third generation light sources. In this paper the technical concepts of the three projects are summarized.