Magnetic measurements of the 10T superconducting wiggler for the SPring-8 storage ring

Batrakov, A.M.; Borovikov, V. M.; Bekhtenev, E. A.; Fedurin, M.; Hara, Masahiro; Karpov, G. V.; Kuzin, M.V.; Mezentsev, N. A.; Miahara, Y; Shimada, Taihei; Shkaruba, V. A.; Soutome, K.; Tzumaki, K

doi:10.1016/s0168-9002(01)00271-6

Cited by 9 publications

(1 citation statement)

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“…Second, from the present study, a wiggler with a strength of 120 T and a period of 1 mm is required for the typical plasma density of 2 10 cm 18 3 × − . Such high wiggler strength may be a major challenge for the current wiggler technology, under which only 10 T wigglers now are available [32]. But the development of high-field short-period wigglers is in progress.…”

Section: Discussionmentioning

confidence: 99%

Enhanced x-rays from resonant betatron oscillations in laser wakefield with external wigglers

Zhang¹,

Zhang²,

Wang³

et al. 2016

Plasma Phys. Control. Fusion

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Generation of ultra-short betatron x-rays by laser-accelerated electron beams is of great research interest as it has many applications. In this paper, we propose a scheme for obtaining bright betatron x-rays by applying external wiggler magnetic field in the laser wakefield to resonantly drive the betatron oscillations of the accelerated electrons therein. This results in a significant enhancement of the betatron oscillation amplitude and generation of bright x-rays with high photon energy. The scheme is demonstrated using two-dimensional particle-in-cell simulation and discussed using a simple analytical model.

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Section: Discussionmentioning

confidence: 99%

Enhanced x-rays from resonant betatron oscillations in laser wakefield with external wigglers

Zhang¹,

Zhang²,

Wang³

et al. 2016

Plasma Phys. Control. Fusion

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Shaping Photon Beams with Undulators and Wigglers

Bahrdt¹

2020

Synchrotron Light Sources and Free-Electron Lasers

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Shaping Photon Beams with Undulators and Wigglers

Bahrdt¹

2014

Synchrotron Light Sources and Free-Electron Lasers

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Periodic magnetic structures, i.e., undulators and wigglers, have been used for nearly 40 years as sources of brilliant synchrotron radiation. Today, sophisticated undulator designs provide many degrees of freedom such as photon beam energy, variable polarization, and orbital angular momentum. Specific designs efficiently suppress higher orders or reduce the on-axis power density. All tuning parameters are required to be freely accessible by the users. Still, the majority of undulators is based on permanent magnets with a clear trend to short periods and in-vacuum and cryogenically cooled systems. Similar designs are used for storage rings and free electron lasers, though the field quality requirements are different. Today, the optimization of a specific experiment follows a global approach. This includes not only the undulator design itself but also local lattice modifications to cope with ambitious designs, elaborate tracking schemes to estimate the impact on the dynamic aperture, and last but not least radiation propagation tools which transport a realistic photon beam phase space to the sample. This chapter summarizes the theory of undulator radiation and reviews the technological realization of undulators and wigglers. Operational issues are discussed, as well.

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Magnetic measurements of the 10T superconducting wiggler for the SPring-8 storage ring

Cited by 9 publications

References 1 publication

Enhanced x-rays from resonant betatron oscillations in laser wakefield with external wigglers

Enhanced x-rays from resonant betatron oscillations in laser wakefield with external wigglers

Shaping Photon Beams with Undulators and Wigglers

Shaping Photon Beams with Undulators and Wigglers

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