Author: Zhou, T.Y.
Paper Title Page
MOP006
 Design Overview of the Electron Storage Ring Instrumentation System for Hefei Advanced Light Factory  
 
  • B.G. Sun, Y.B. Leng, Y. Liang, P. Lu, Q. Luo, L.L. Tang, A.X. Wang, J. Wang, T.Y. Zhou, Z.R. Zhou
    USTC/NSRL, Hefei, Anhui, People’s Republic of China
  
  The Hefei Ad­vanced Light Fac­tory (HALF) is a dif­frac­tion-lim­ited stor­age ring with a beam en­ergy of 2.2 GeV. Based on the beam re­lated tech­ni­cal pa­ra­me­ters and re­quire­ments pro­vided by the phys­i­cal de­sign of the HALF stor­age ring, the stor­age ring beam in­stru­men­ta­tion sys­tem mainly in­cludes beam po­si­tion mea­sure­ment sys­tem, DC cur­rent mea­sure­ment sys­tem, bunch-by-bunch beam cur­rent mea­sure­ment sys­tem, tune mea­sure­ment sys­tem, beam pro­file mea­sure­ment sys­tem, bunch length mea­sure­ment sys­tem, bunch-by-bunch feed­back sys­tem, fast orbit feed­back sys­tem, BPM dis­place­ment mea­sure­ment sys­tem, and beam loss mea­sure­ment. An overview of the de­sign of the stor­age ring in­stru­men­ta­tion sys­tem will be pre­sented.  
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TUP016
 The Upgrade of the Light Pulse Picking System at HLS-II  
 
  • J. Wang, P. Lu, B.G. Sun, L.L. Tang, Y.K. Zhao, T.Y. Zhou, Z.R. Zhou
    USTC/NSRL, Hefei, Anhui, People’s Republic of China
  
  Funding: National Natural Science Foundation of China under Grant 12075236
In 2009, the light pulse pick­ing sys­tem was built to pick a sin­gle syn­chro­tron ra­di­a­tion light pulse from 45 light pulses so that it can be used for re­search­ing the lon­gi­tu­di­nal bunch char­ac­ter­is­tics at HLS. The op­ti­cal sys­tem was op­er­at­ing well, but the op­ti­cal pulse pick­ing width was 9.8 ns, which is greater than the bunch in­ter­val of 4.9 ns. There­fore, the sig­nal-to-noise ratio of the sys­tem is not good enough. The HLS-II light source refers to the ma­chine up­grade pro­ject of HLS in 2014. After that, the lon­gi­tu­di­nal beam char­ac­ter­is­tics was changed. There­fore, the syn­chro­tron light pulse pick­ing sys­tem with bet­ter per­for­mance has been de­vel­oped to meet the needs of beam di­ag­no­sis and lon­gi­tu­di­nal beam dy­nam­ics re­search. 		 
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