Superbend upgrade on the Advanced Light Source

Robin, D.; Krupnick, J.; Schlueter, R.; Steier, C.; Marks, S.; Wang, B.; Zbasnik, J.; Benjegerdes, R.; Biocca, A.; Bish, P.; Brown, W. L.; Byrne, W.; Chen, J.; Decking, W.; DeVries, J.; DeMarco, W.R.; Fahmie, M.; Geyer, A.; Harkins, J.; Henderson, T. F.; Hinkson, J.; Hoyer, E.; Hull, David R.; Jacobson, S.; McDonald, James L.; Molinari, P.; Mueller, R.; Nadolski, Laurent; Nishimura, Hiroshi; Nishimura, K.; Ottens, F.; Paterson, J.A.; Pipersky, P.; Portmann, G.; Ritchie, A.; Rossi, S.; Salvant, Benoît; Scarvie, T.; Schmidt, Anke B.; Spring, J.; Taylor, C.; Thur, W.; Timossi, C.; Wandesforde, A.

doi:10.1016/j.nima.2004.08.137

Cited by 14 publications

(7 citation statements)

References 14 publications

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“…To achieve sufficient X-ray flux for informative scattering with low protein concentration and small volumes, we designed the SIBYLS beamline at the Advanced Light Source. We employ a light path generated by a super-bend 20 magnet to provide a 10 12 photons/sec flux (1 Å wavelength). The tunable incident wavelength enables rapid adjustment of the q range appropriate for the experiment without changing the sample to detector configuration ( q=4 π sin (θ / 2 )/λ where θ is the scattering angle and λ is the wavelength).…”

Section: Resultsmentioning

confidence: 99%

Robust, high-throughput solution structural analyses by small angle X-ray scattering (SAXS)

Menon²,

et al. 2009

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We present an efficient pipeline enabling high-throughput analysis of protein structure in solution with small angle X-ray scattering (SAXS). Our SAXS pipeline combines automated sample handling of microliter volumes, temperature and anaerobic control, rapid data collection, data analysis, and couples structural analysis with automated archiving. We subjected 50 representative proteins, mostly from Pyrococcus furiosus, to this pipeline, revealing that 30 were multimeric structures in solution. SAXS analysis allowed us to distinguish aggregated and unfolded proteins, define global structural parameters and oligomeric states for most samples, identify shapes and similar structures for 25 unknown structures, and determine envelopes for 41 proteins. We believe that high throughput SAXS is an enabling technology that may change the way that structural genomics research is done.

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Section: Resultsmentioning

confidence: 99%

Robust, high-throughput solution structural analyses by small angle X-ray scattering (SAXS)

Menon²,

et al. 2009

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“…Machine protection interlocks typically include beam loss monitoring and beam abort systems. For almost as long, but mostly in the past 10-12 years, superconducting magnets-SCUs [10,11], wigglers [23], and superbends [24]-have been employed for the generation of high-energy photons in electron synchrotron light sources. While all superconducting wigglers and SCUs have quench-detection interlocks to protect the magnet, very little has been written about characterizing and preventing beam-loss induced quenches.…”

Section: Quenchesmentioning

confidence: 99%

Development and operating experience of a 1.1-m-long superconducting undulator at the Advanced Photon Source

Ivanyushenkov

Harkay

Borland

et al. 2017

Phys. Rev. Accel. Beams

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Development of superconducting undulators continues at the Advanced Photon Source (APS). Two years after successful installation and commissioning of the first relatively short superconducting undulator "SCU0" in Sector 6 of the APS storage ring, the second 1.1-m-long superconducting undulator "SCU1" was installed in Sector 1 of the APS. The device has been in user operation since its commissioning in May 2015. This paper describes the magnetic and cryogenic design of the SCU1 together with the results of stand-alone cold tests. The SCU1's magnetic and cryogenic performance as well as its operating experience in the APS storage ring are also presented.

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“…Furthermore, the local field enhancement will shift the critical energy towards higher values and satisfy the requirements of the hard x-ray user community [11][12][13][14]. These features were the main motivations for the ILSF to employ such step function dipoles (superbends) as the very interesting components for the compact high brightness light sources [10,[27][28][29].…”

Section: Beam Dynamicsmentioning

confidence: 99%

“…Because of the smaller electron beam spot size, the superbends make available higher flux density than a wiggler, which is desirable from a scientific point of view. The total radiation power of the superbend beam line is significantly smaller than the wiggler beam line, which results to save energy [10]. Furthermore, the longitudinal field gradient provided by the superbend helps beam emittance reduction [11][12][13][14].…”

Section: Introductionmentioning

confidence: 99%

Normal conducting superbend in an ultralow emittance storage ring

Saeidi

Pourimani

Rahighi

et al. 2015

Phys. Rev. ST Accel. Beams

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The Iranian Light Source Facility (ILSF) is a new 3 GeV synchrotron radiation laboratory in the Middle East. As the main radiation source, the ILSF storage ring is based on a five-bend achromat lattice providing an ultralow horizontal beam emittance of 0.48 nm rad. In order to produce very bright high energy radiation from the bending magnet, a superbend electromagnet is designed to replace the central low-field dipole of the bare lattice. In this paper, we present some design features of the ILSF storage ring bending magnet radiation source and discuss the detailed physical and mechanical design of the normal conducting superbend electromagnet. The related beam dynamics issues have been investigated as well.

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Superbend upgrade on the Advanced Light Source

Cited by 14 publications

References 14 publications

Robust, high-throughput solution structural analyses by small angle X-ray scattering (SAXS)

Robust, high-throughput solution structural analyses by small angle X-ray scattering (SAXS)

Development and operating experience of a 1.1-m-long superconducting undulator at the Advanced Photon Source

Normal conducting superbend in an ultralow emittance storage ring

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