Measurement method for beam position of single pass beam position monitor

Liu Jiayang; Ma Huizhou; Du Yaoyao; Ye Qiang; Liu Zhi; Cao Jianshe; Yue Junhui; Gao Guodong; Tang Xuhui; Sui Yanfeng; Wei Shujun

doi:10.11884/HPLPB202335.230264

Volume 35 Issue 12

Nov. 2023

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Article Navigation > High Power Laser and Particle Beams > 2023 > 35(12): 124008

Liu Jiayang, Ma Huizhou, Du Yaoyao, et al. Measurement method for beam position of single pass beam position monitor[J]. High Power Laser and Particle Beams, 2023, 35: 124008. doi: 10.11884/HPLPB202335.230264

Citation:

Liu Jiayang, Ma Huizhou, Du Yaoyao, et al. Measurement method for beam position of single pass beam position monitor[J]. High Power Laser and Particle Beams, 2023, 35: 124008. doi: 10.11884/HPLPB202335.230264

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Measurement method for beam position of single pass beam position monitor

doi: 10.11884/HPLPB202335.230264

Liu Jiayang^{1, 2
,},
Ma Huizhou¹,
Du Yaoyao¹,
Ye Qiang¹,
Liu Zhi¹,
Cao Jianshe¹,
Yue Junhui¹,
Gao Guodong^{1, 2},
Tang Xuhui^{1, 2},
Sui Yanfeng^{1, 2
,
,},
Wei Shujun^{1, 2
,
,}

1.
Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
2.
University of Chinese Academy of Sciences, Beijing 100049, China

Received Date: 2023-08-12
Accepted Date: 2023-09-29
Rev Recd Date: 2023-10-19

Available Online: 2023-11-18

Publish Date: 2023-12-15

Abstract

Abstract

Due to the low effective sampling points, low data signal-to-noise ratio (SNR), and lower measurement resolution in the current single-pass digital Beam Position Monitor (BPM), a digital BPM measurement improvement algorithm for “beam single-pass” case is proposed. This algorithm enhances the effective sampling points by employing the “power division-delay-synthesis” technique for the analog signal. It improves the SNR of the sampling data through various data processing techniques, including data truncation, data concatenation, and digital bandpass filtering (BPF). Consequently, the resolution of the BPM is significantly enhanced. Experimental results demonstrate that this algorithm improves the measurement accuracy of the single-pass BPM by approximately two times without increasing the Analog-to-Digital Converter (ADC) sampling rate. The measurement method studied in this paper presents a novel solution for enhancing the measurement resolution of the single-pass BPM and has been successfully implemented in the Beijing Electron Position Collider II(BEPCII) and High Energy Photon Source (HEPS) linear accelerator projects.
- single pass beam position monitor,
- analog signal delay,
- effective sampling data,
- digital bandpass filtering,
- resolution

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References(11)

References

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