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Perspectives for future light source lattices incorporating yet uncommon magnets

Leemann, Simon LU and Streun, Andreas (2011) In Physical Review Special Topics. Accelerators and Beams 14(3). p.1-030701
Abstract
Although octupoles, decapoles, and longitudinal gradient bending magnets (LGB) have been studied for many years, they are not usually included in light source lattices. They can, however, be beneficial in order to realize ultralow emittance and attain sufficient dynamic aperture. We present methods for achieving ultralow emittance and discuss optimization of the nonlinear dynamics with multipoles. We demonstrate how control of amplitude-dependent tune shift makes octupoles a powerful tool for dynamic aperture optimization. Control of higher-order chromaticity by octupoles and decapoles is straightfor- ward; however, since this turns out to be not quite as efficient in high-brightness lattices with low arc dispersion, we apply it to a... (More)
Although octupoles, decapoles, and longitudinal gradient bending magnets (LGB) have been studied for many years, they are not usually included in light source lattices. They can, however, be beneficial in order to realize ultralow emittance and attain sufficient dynamic aperture. We present methods for achieving ultralow emittance and discuss optimization of the nonlinear dynamics with multipoles. We demonstrate how control of amplitude-dependent tune shift makes octupoles a powerful tool for dynamic aperture optimization. Control of higher-order chromaticity by octupoles and decapoles is straightfor- ward; however, since this turns out to be not quite as efficient in high-brightness lattices with low arc dispersion, we apply it to a conventional lattice to demonstrate the potential. This paper also illustrates how high-field LGBs can be used to build a compact, bright hard x-ray source. Finally, we demonstrate in detail the application of octupoles as integral components of the MAX IV 3 GeV storage ring lattice. (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Review Special Topics. Accelerators and Beams
volume
14
issue
3
pages
1 - 030701
publisher
American Physical Society
external identifiers
  • wos:000287962600001
  • scopus:79952905837
ISSN
1098-4402
DOI
10.1103/PhysRevSTAB.14.030701
language
English
LU publication?
yes
id
3417e919-72b4-44d4-b2d9-e5e25d8f7d33 (old id 1837695)
alternative location
http://prst-ab.aps.org/abstract/PRSTAB/v14/i3/e030701
date added to LUP
2011-03-04 07:06:08
date last changed
2017-07-30 04:18:29
@article{3417e919-72b4-44d4-b2d9-e5e25d8f7d33,
  abstract     = {Although octupoles, decapoles, and longitudinal gradient bending magnets (LGB) have been studied for many years, they are not usually included in light source lattices. They can, however, be beneficial in order to realize ultralow emittance and attain sufficient dynamic aperture. We present methods for achieving ultralow emittance and discuss optimization of the nonlinear dynamics with multipoles. We demonstrate how control of amplitude-dependent tune shift makes octupoles a powerful tool for dynamic aperture optimization. Control of higher-order chromaticity by octupoles and decapoles is straightfor- ward; however, since this turns out to be not quite as efficient in high-brightness lattices with low arc dispersion, we apply it to a conventional lattice to demonstrate the potential. This paper also illustrates how high-field LGBs can be used to build a compact, bright hard x-ray source. Finally, we demonstrate in detail the application of octupoles as integral components of the MAX IV 3 GeV storage ring lattice.},
  author       = {Leemann, Simon and Streun, Andreas},
  issn         = {1098-4402},
  language     = {eng},
  number       = {3},
  pages        = {1--030701},
  publisher    = {American Physical Society},
  series       = {Physical Review Special Topics. Accelerators and Beams},
  title        = {Perspectives for future light source lattices incorporating yet uncommon magnets},
  url          = {http://dx.doi.org/10.1103/PhysRevSTAB.14.030701},
  volume       = {14},
  year         = {2011},
}