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| TUPOB19 |
FEL Wiggler Bussbar Field Compensation |
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- B. Li, H. Hao, Y.K. Wu
FEL/Duke University, Durham, North Carolina, USA
- J.Y. Li
USTC/NSRL, Hefei, Anhui, People's Republic of China
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Abstract The Duke storage ring is a dedicated driver for the storage ring based free-electron laser (FEL) and the High Intensity Gamma-ray Source (HIGS). The high intensity gamma-ray beam is produced using Compton scattering between the electron and FEL photon beams. The beam displacement and angle at the collision point need to be maintained constant during the gamma-ray beam production. The magnetic field of the copper bussbars carrying the current to the FEL wigglers can impact the beam orbit. The compensation scheme in-general is complicated. In this work, we report preliminary results of a bussbar compensation scheme for one of the wiggler and power supply configurations. Significant reductions of the orbit distortions have been realized using this compensation.
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Poster TUPOB19 [3.693 MB]
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-NAPAC2016-TUPOB19
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