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Phasing Magnet for CSX-2 Beamline at NSLS-II

Journal Article · · IEEE Transactions on Applied Superconductivity
 [1];  [1];  [1];  [1];  [1];  [1]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States)
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A phasing magnet has been developed at National Synchrotron Light Source II (NSLS-II) for the Coherent Soft X-ray Scattering (CSX) beamline. The phasing magnet will be located at the center of the straight section in between two identical and independent variably polarized APPLE-II devices. Based on Permanent Magnet technology, the phasing magnet has been designed to achieve the required electron beam delay to properly adjust the phase matching of these two consecutive EPUs (Elliptically Polarizing Undulators) and ensure a positive interference between the photon beam emitted in each device. Also this paper will describe the mechanical and magnetic design together with the final field measurements and magnetic tuning results. Also, the spectral performance of the two EPUs and the method used to properly set the field strength of the phasing magnet for any given radiation wavelength and polarization mode will be presented as well.
Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0012704
OSTI ID:
1889634
Report Number(s):
BNL-223483-2022-JAAM
Journal Information:
IEEE Transactions on Applied Superconductivity, Journal Name: IEEE Transactions on Applied Superconductivity Journal Issue: 6 Vol. 32; ISSN 1051-8223
Publisher:
IEEECopyright Statement
Country of Publication:
United States
Language:
English

References (5)

An Evolutionary Approach to Shimming Undulator Magnets for Synchrotron Radiation Sources book January 2006
Interference effects in undulator and wiggler radiation sources journal October 1993
Application of Genetic Algorithms to Sorting, Swapping and Shimming of the SOLEIL Undulator Magnets
  • Chubar, O.; Rudenko, O.; Benabderrahmane, C.
  • SYNCHROTRON RADIATION INSTRUMENTATION: Ninth International Conference on Synchrotron Radiation Instrumentation, AIP Conference Proceedings https://doi.org/10.1063/1.2436074
conference January 2007
Parametric Optimization of Undulators for NSLS-II Project Beamlines conference January 2010
A three-dimensional magnetostatics computer code for insertion devices journal May 1998

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Related Subjects

36 MATERIALS SCIENCE
magnetic cores
magnetic field measurement
magnetic flux
magnetic levitation
magnetic measurement
magnetic noise
magnetic shielding
superconducting magnets
synchrotron light source
synchrotron radiation
undulator