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HLS (Hefei light source) is a dedicated synchrotron radiation research facility, spectrally strongest in VUV and soft X-ray, designed and constructed in 1980's, accepted to regular service in 1991. From 1999 to 2004, the National Synchrotron Radiation Laboratory carried out Phase II Project, in which quite a few sub-systems in HLS were upgraded and 8 new beamlines were constructed. After Phase II...
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