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Title: Development and operation of a Pr 2 Fe 14 B based cryogenic permanent magnet undulator for a high spatial resolution x-ray beam line

Short period, high field undulators are used to produce hard x-rays on synchrotron radiation based storage ring facilities of intermediate energy and enable short wavelength free electron laser. Cryogenic permanent magnet undulators take benefit from improved magnetic properties of RE 2Fe 14B (Rare Earth based magnets) at low temperatures for achieving short period, high magnetic field and high coercivity. Using Pr 2Fe 14B instead of Nd 2Fe 14B, which is generally employed for undulators, avoids the limitation caused by the spin reorientation transition phenomenon, and simplifies the cooling system by allowing the working temperature of the undulator to be directly at the liquid nitrogen one (77 K). We describe here the development of a full scale (2 m), 18 mm period Pr 2Fe 14B cryogenic permanent magnet undulator (U18). The design, construction and optimization, as well as magnetic measurements and shimming at low temperature are presented. In conclusion, the commissioning and operation of the undulator with the electron beam and spectrum measurement using the Nanoscopmium beamline at SOLEIL are also reported.
Authors:
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  1. Synchrotron SOLEIL, Gif-sur-Yvette (France)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States)
Publication Date:
Report Number(s):
BNL-114006-2017-JA
Journal ID: ISSN 2469-9888; PRABCJ; TRN: US1702678
Grant/Contract Number:
SC00112704
Type:
Accepted Manuscript
Journal Name:
Physical Review Accelerators and Beams
Additional Journal Information:
Journal Volume: 20; Journal Issue: 3; Journal ID: ISSN 2469-9888
Publisher:
American Physical Society (APS)
Research Org:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION; 43 PARTICLE ACCELERATORS
OSTI Identifier:
1376119

Benabderrahmane, C., Valleau, M., Ghaith, A., Berteaud, P., Chapuis, L., Marteau, F., Briquez, F., Marcouille, O., Marlats, J. -L., Tavakoli, K., Mary, A., Zerbib, D., Lestrade, A., Louvet, M., Brunelle, P., Medjoubi, K., Herbeaux, C., Bechu, N., Rommeluere, P., Somogyi, A., Chubar, O., Kitegi, C., and Couprie, M. -E.. Development and operation of a Pr2Fe14B based cryogenic permanent magnet undulator for a high spatial resolution x-ray beam line. United States: N. p., Web. doi:10.1103/PhysRevAccelBeams.20.033201.
Benabderrahmane, C., Valleau, M., Ghaith, A., Berteaud, P., Chapuis, L., Marteau, F., Briquez, F., Marcouille, O., Marlats, J. -L., Tavakoli, K., Mary, A., Zerbib, D., Lestrade, A., Louvet, M., Brunelle, P., Medjoubi, K., Herbeaux, C., Bechu, N., Rommeluere, P., Somogyi, A., Chubar, O., Kitegi, C., & Couprie, M. -E.. Development and operation of a Pr2Fe14B based cryogenic permanent magnet undulator for a high spatial resolution x-ray beam line. United States. doi:10.1103/PhysRevAccelBeams.20.033201.
Benabderrahmane, C., Valleau, M., Ghaith, A., Berteaud, P., Chapuis, L., Marteau, F., Briquez, F., Marcouille, O., Marlats, J. -L., Tavakoli, K., Mary, A., Zerbib, D., Lestrade, A., Louvet, M., Brunelle, P., Medjoubi, K., Herbeaux, C., Bechu, N., Rommeluere, P., Somogyi, A., Chubar, O., Kitegi, C., and Couprie, M. -E.. 2017. "Development and operation of a Pr2Fe14B based cryogenic permanent magnet undulator for a high spatial resolution x-ray beam line". United States. doi:10.1103/PhysRevAccelBeams.20.033201. https://www.osti.gov/servlets/purl/1376119.
@article{osti_1376119,
title = {Development and operation of a Pr2Fe14B based cryogenic permanent magnet undulator for a high spatial resolution x-ray beam line},
author = {Benabderrahmane, C. and Valleau, M. and Ghaith, A. and Berteaud, P. and Chapuis, L. and Marteau, F. and Briquez, F. and Marcouille, O. and Marlats, J. -L. and Tavakoli, K. and Mary, A. and Zerbib, D. and Lestrade, A. and Louvet, M. and Brunelle, P. and Medjoubi, K. and Herbeaux, C. and Bechu, N. and Rommeluere, P. and Somogyi, A. and Chubar, O. and Kitegi, C. and Couprie, M. -E.},
abstractNote = {Short period, high field undulators are used to produce hard x-rays on synchrotron radiation based storage ring facilities of intermediate energy and enable short wavelength free electron laser. Cryogenic permanent magnet undulators take benefit from improved magnetic properties of RE2Fe14B (Rare Earth based magnets) at low temperatures for achieving short period, high magnetic field and high coercivity. Using Pr2Fe14B instead of Nd2Fe14B, which is generally employed for undulators, avoids the limitation caused by the spin reorientation transition phenomenon, and simplifies the cooling system by allowing the working temperature of the undulator to be directly at the liquid nitrogen one (77 K). We describe here the development of a full scale (2 m), 18 mm period Pr2Fe14B cryogenic permanent magnet undulator (U18). The design, construction and optimization, as well as magnetic measurements and shimming at low temperature are presented. In conclusion, the commissioning and operation of the undulator with the electron beam and spectrum measurement using the Nanoscopmium beamline at SOLEIL are also reported.},
doi = {10.1103/PhysRevAccelBeams.20.033201},
journal = {Physical Review Accelerators and Beams},
number = 3,
volume = 20,
place = {United States},
year = {2017},
month = {3}
}