Supported by National Natural Science Foundation of China(91426303,11525523)
Beam-based BPM offset calibration was carried out for Injector II at the C-ADS demonstration facility at the Institute of Modern Physics (IMP), Chinese Academy of Science (CAS). By using the steering coils integra...
Supported by US Department of Energy(DE-FG02-97ER41033);Fundamental Research Funds for the Central Universities of China(WK2310000032)
The Duke storage ring is a dedicated driver for the storage ring based oscillator free-electron lasers(FELs), and the High Intensity Gamma-ray Source(HIGS). It is operated with a beam current ranging from about1 m...
This paper reports the design and cold test of the cavity beam position monitor (CBPM) for SX-FEL to fulfill tile requirement of beam position measurement resolution of less than 1 p_m, even 0.1 btm. The CBPM was op...
Supported by National Natural Science Foundation of China (11175193)
The China Spallation Neutron Source (CSNS) accelerators consist of a low energy H linac and a high energy proton Rapid Cycling Synchrotron (RCS). The proton beam is accumulated in the RCS and accelerated from 80Me...
Supported by the Chinese National Foundation of Natural Sciences(111100512108);National Sciences Foundation of Chinese(10725525)
Model independent analysis, which was developed for high precision and fast beam dynamics analysis, is a promising diagnostic tool for modern accelerators. We implemented a series of methods to analyze the turn-by-tur...
BEPCII has two rings each with an injection system. The injection system of each ring consists of two kicker magnets and a septum magnet. The injection layout of two rings is the same. Both two kickers would kick the ...
Development Plan of the State Key Fundamental Research(2002CB713600)
RF cold test of a novel C-band cavity beam position monitor (PBM) to be used in the SDUVFEL Test Facility is described. The test results are presented and some characteristics discussed. The main parameters obtained...
Recently many accelerator parameters are measured by using the digital technology.A data acquisition circuit board adopting software radio technology has been developed.With this circuit board and RF front-end produce...
This paper concentrates on investigating the mechanical stability of a Beam Position Monitor (BMP)support prototype of the Shanghai Synchrotron Radiation Facility(SSRF)project.Both finite element analysis and vibratio...
With the developments of software radio technique,it not only revolutionizes the technique in modern communication field,but also brings about technical innovation on the beam instrumentation for accelerators.The digi...