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2006•Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and AtomsRequires access

Compensation of Linear Optical Parameters With Superconducting Wiggler Magnet in Hefei Light Source

Zuping Liu

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Abstract

Hefei light source(HLS) is a dedicated VUV light source.A superconducting(SC) wiggler magnet with peak magnetic field of 6 T was installed in the storage ring in order to extend usable synchrotron radiation spectrum to hard X-ray.The SC wiggler brought a large perturbation to optical parameters of the storage ring,including tune shift and β function distortion.At early days,after tune compensation with SC wiggler,beam was successfully stored with a short beam lifetime.In phase Ⅱ project of HLS,the lattice parameters were adjusted to compensate tune shift and β function distortion,then the beam lifetime was improved significantly.

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Hefei light source(HLS) is a dedicated VUV light source.A superconducting(SC) wiggler magnet with peak magnetic field of 6 T was installed in the storage ring in order to extend usable synchrotron radiation spectrum to hard X-ray.The SC wiggler brought a large perturbation to optical parameters of the storage ring,including tune shift and β function distortion.At early days,after tune compensation with SC wiggler,beam was successfully stored with a short beam lifetime.In phase Ⅱ project of HLS,the lattice parameters were adjusted to compensate tune shift and β function distortion,then the beam lifetime was improved significantly.

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Available abstract

Hefei light source(HLS) is a dedicated VUV light source.A superconducting(SC) wiggler magnet with peak magnetic field of 6 T was installed in the storage ring in order to extend usable synchrotron radiation spectrum to hard X-ray.The SC wiggler brought a large perturbation to optical parameters of the storage ring,including tune shift and β function distortion.At early days,after tune compensation with SC wiggler,beam was successfully stored with a short beam lifetime.In phase Ⅱ project of HLS,the lattice parameters were adjusted to compensate tune shift and β function distortion,then the beam lifetime was improved significantly.

Key concepts: Wiggler, Storage ring, Magnet, Synchrotron light source, Physics, Optics, Synchrotron radiation, Synchrotron

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