Physics issues in diffraction limited storage ring design
Physics issues in diffraction limited storage ring design
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衍射极限存储环设计中的物理问题
DOI:
10.1007/s11433-012-4696-7
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发表时间:
2012-03
期刊:
影响因子:
--
通讯作者:
何多慧
中科院分区:
文献类型:
--
作者:
范为;白正贺;王琳;何多慧
Diffraction limited electron storage ring is considered a promising candidate for future light sources, whose main characteristics are higher brilliance, better transverse coherence and better stability. The challenge of diffraction limited storage ring design is how to achieve the ultra low beam emittance with acceptable nonlinear performance. Effective linear and nonlinear parameter optimization methods based on Artificial Intelligence were developed for the storage ring physical design. As an example of application, partial physical design of HALS (Hefei Advanced Light Source), which is a diffraction limited VUV and soft X-ray light source, was introduced. Severe emittance growth due to the Intra Beam Scattering effect, which is the main obstacle to achieve ultra low emittance, was estimated quantitatively and possible cures were discussed. It is inspiring that better performance of diffraction limited storage ring can be achieved in principle with careful parameter optimization.
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DOI:
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发表时间:
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期刊:
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影响因子:
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