Chinese Physics C > 2009, Vol. 33 > Issue(S2): 128-130 DOI: 10.1088/1674-1137/33/S2/033

Conceptual design of Hefei advanced light source

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Abstract：

The conceptual of Hefei Advanced Light Source, which is an advanced VUV and Soft X-ray source, was developed at NSRL of USTC. According to the synchrotron radiation user requirements and the trends of SR source development, some accelerator-based schemes were considered and compared; furthermore storage ring with ultra low emittance was adopted as the baseline scheme of HALS. To achieve ultra low emittance, some focusing structures were studied and optimized in the lattice design. Compromising of emittance, on-momentum and off-momentum dynamic aperture and ring scale, five bend acromat (FBA) was employed. In the preliminary design of HALS, the emittance was reduced to sub nm·rad, thus the radiation up to water window has full lateral coherence. The brilliance of undulator radiation covering several eVs to keVs range is higher than that of HLS by several orders. The HALS should be one of the most advanced synchrotron radiation light sources in the world.

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LI Wei-Min, WANG Lin, FENG Guang-Yao, ZHANG Shan-Cai, WU Cong-Feng, XU Hong-Liang, LIU Zu-Ping and Conceptual design of Hefei advanced light source[J]. Chinese Physics C, 2009, 33(S2): 128-130. doi: 10.1088/1674-1137/33/S2/033

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Received: 2009-01-05
Revised: 2009-02-15

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沈阳化工大学材料科学与工程学院沈阳 110142

Conceptual design of Hefei advanced light source

Corresponding author:WANG Lin,

Corresponding author:FENG Guang-Yao,

Received Date:2009-01-05
Accepted Date:2009-02-15
Available Online:2009-01-08

Abstract:

The conceptual of Hefei Advanced Light Source, which is an advanced VUV and Soft X-ray source, was developed at NSRL of USTC. According to the synchrotron radiation user requirements and the trends of SR source development, some accelerator-based schemes were considered and compared; furthermore storage ring with ultra low emittance was adopted as the baseline scheme of HALS. To achieve ultra low emittance, some focusing structures were studied and optimized in the lattice design. Compromising of emittance, on-momentum and off-momentum dynamic aperture and ring scale, five bend acromat (FBA) was employed. In the preliminary design of HALS, the emittance was reduced to sub nm·rad, thus the radiation up to water window has full lateral coherence. The brilliance of undulator radiation covering several eVs to keVs range is higher than that of HLS by several orders. The HALS should be one of the most advanced synchrotron radiation light sources in the world.