Supported by National Natural Science Foundation of China(11105141,11175173);Upgrade Project of Hefei Light Source
An interferometer system and an imaging system using visible synchrotron radiation(SR) have been installed in the Hefei Light Source(HLS) II storage ring. Simulations of these two systems are given using Synchrotr...
Supported by National Natural Science Foundation of China(11005105,11175173)
A logarithm processing algorithm to measure beam transverse size and position is proposed and preliminary experimental results in Hefei Light Source II(HLS II) are given. The algorithm is based on only 4 successive ...
Supported by National Natural Science Foundation of China(11105141,11175173);the upgrade project of Hefei Light Source
Central RF frequency is a key parameter of storage rings. This paper presents the measurement of central RF frequency of the HLS-Ⅱ storage ring with the sextupole modulation method. Firstly, the basis of central RF f...
Supported by National Natural Science Foundation of China(11175173,11375178,11105141)
The new beam position monitor(BPM) system of the injector at the upgrade project of the Hefei Light Source(HLS II) has 19 stripline beam position monitors. Most consist of four orthogonally symmetric stripline ele...
Supported by Natural Science Foundation of China(11175173,11005105)
In the upgrade project of Hefei Light Source(HLSⅡ),a new digital longitudinal bunch-by-bunch feedback system will be developed to suppress the coupled bunch instabilities in the storage ring effectively.We design a...