| Paper |
Title |
Page |
| THPCH080 |
Transverse Impedance of Small-gap Undulators for NSLS-II
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2970 |
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- A. Blednykh, S. Krinsky, B. Podobedov, J.-M. Wang
BNL, Upton, Long Island, New York
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We discuss the transverse impedance resulting from the use of small-gap undulators in the proposed NSLS-II storage ring. For superconducting undulators, the impedance arises due to the tapered elliptical vacuum chamber. For in-vacuum permanent magnet devices, the impedance results from a more complex geometry. We consider both cases and report results obtained using the electromagnetic simulation program GdfidL.
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