CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
Study of the crosstalk evaluation for cavity BPM
Chen, J; Leng, YB; Yu, LY; Lai, LW; Yuan, RX
AbstractIn order to pursue high-precision beam position measurements for free-electron laser facilities, a cavity beam position monitor (CBPM) is employed to measure the transverse position that can meet the requirement of position resolution at a sub-micrometer or even nanometer scale. However, for the pill-box cavity BPM, crosstalk between the cavities will have an effect on the accurate measurement of beam position. To reduce the effect of crosstalk on CBPM performance and ease the measurement of the isolation between the cavities, the cavities with a slight difference in resonant frequency were designed and applied in the Dalian coherent light source and Shanghai soft X-ray free-electron laser facilities. Furthermore, two methods, the principal component analysis method and the method of harmonic analysis, are proposed in this paper to evaluate the crosstalk. The results demonstrate that the two methods are feasible in evaluating the crosstalk between the cavities.
KeywordPosition Monitor System Beam
Indexed BySCI
WOS IDWOS:000433263900007
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Document Type期刊论文
Affiliation1.Chen, J
2.Leng, YB
3.Yu, LY
4.Lai, LW
5.Yuan, RX
Recommended Citation
GB/T 7714
Chen, J,Leng, YB,Yu, LY,et al. Study of the crosstalk evaluation for cavity BPM[J]. NUCLEAR SCIENCE AND TECHNIQUES,2018,29(6):-.
APA Chen, J,Leng, YB,Yu, LY,Lai, LW,&Yuan, RX.(2018).Study of the crosstalk evaluation for cavity BPM.NUCLEAR SCIENCE AND TECHNIQUES,29(6),-.
MLA Chen, J,et al."Study of the crosstalk evaluation for cavity BPM".NUCLEAR SCIENCE AND TECHNIQUES 29.6(2018):-.
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