Development and testing of a dual-frequency real-time hardware feedback system for the hard X-ray nanoprobe beamline of the SSRF
A novel dual-frequency real-time feedback system has been developed to simultaneously optimize and stabilize beam position and energy at the hard X-ray nanoprobe beamline of the Shanghai Synchrotron Radiation Facility. A user-selected cut-off frequency is used to separate the beam position signal ob...
Saved in:
| Main Authors: | , , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
International Union of Crystallography
2025-01-01
|
| Series: | Journal of Synchrotron Radiation |
| Subjects: | |
| Online Access: | https://journals.iucr.org/paper?S1600577524010208 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1841556111362097152 |
|---|---|
| author | Zhisen Jiang Hui Jiang Yinghua He Yan He Dongxu Liang Huaina Yu Aiguo Li Riccardo Signorato |
| author_facet | Zhisen Jiang Hui Jiang Yinghua He Yan He Dongxu Liang Huaina Yu Aiguo Li Riccardo Signorato |
| author_sort | Zhisen Jiang |
| collection | DOAJ |
| description | A novel dual-frequency real-time feedback system has been developed to simultaneously optimize and stabilize beam position and energy at the hard X-ray nanoprobe beamline of the Shanghai Synchrotron Radiation Facility. A user-selected cut-off frequency is used to separate the beam position signal obtained from an X-ray beam position monitor into two parts, i.e. high-frequency and low-frequency components. They can be real-time corrected and optimized by two different optical components, one chromatic and the other achromatic, of very different inertial mass, such as Bragg monochromator dispersive elements and a pre-focusing total external reflection mirror. The experimental results shown in this article demonstrate a significant improvement in position and energy stabilities. The long-term beam angular stability clearly improved from 2.21 to 0.92 µrad RMS in the horizontal direction and from 0.72 to 0.10 µrad RMS in the vertical direction. |
| format | Article |
| id | doaj-art-a321c7bea58a4b70bd978433a47cccc4 |
| institution | Kabale University |
| issn | 1600-5775 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | International Union of Crystallography |
| record_format | Article |
| series | Journal of Synchrotron Radiation |
| spelling | doaj-art-a321c7bea58a4b70bd978433a47cccc42025-01-07T14:26:38ZengInternational Union of CrystallographyJournal of Synchrotron Radiation1600-57752025-01-0132110010810.1107/S1600577524010208ye5050Development and testing of a dual-frequency real-time hardware feedback system for the hard X-ray nanoprobe beamline of the SSRFZhisen Jiang0Hui Jiang1Yinghua He2Yan He3Dongxu Liang4Huaina Yu5Aiguo Li6Riccardo Signorato7Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, 239 Zhangheng Road, Pudong District, Shanghai 201204, People's Republic of ChinaShanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, 239 Zhangheng Road, Pudong District, Shanghai 201204, People's Republic of ChinaShanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, 239 Zhangheng Road, Pudong District, Shanghai 201204, People's Republic of ChinaShanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, 239 Zhangheng Road, Pudong District, Shanghai 201204, People's Republic of ChinaShanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, 239 Zhangheng Road, Pudong District, Shanghai 201204, People's Republic of ChinaShanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, 239 Zhangheng Road, Pudong District, Shanghai 201204, People's Republic of ChinaShanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, 239 Zhangheng Road, Pudong District, Shanghai 201204, People's Republic of ChinaS.RI.Tech, Viale Del Lavoro 42A, 35010 Vigonza, ItalyA novel dual-frequency real-time feedback system has been developed to simultaneously optimize and stabilize beam position and energy at the hard X-ray nanoprobe beamline of the Shanghai Synchrotron Radiation Facility. A user-selected cut-off frequency is used to separate the beam position signal obtained from an X-ray beam position monitor into two parts, i.e. high-frequency and low-frequency components. They can be real-time corrected and optimized by two different optical components, one chromatic and the other achromatic, of very different inertial mass, such as Bragg monochromator dispersive elements and a pre-focusing total external reflection mirror. The experimental results shown in this article demonstrate a significant improvement in position and energy stabilities. The long-term beam angular stability clearly improved from 2.21 to 0.92 µrad RMS in the horizontal direction and from 0.72 to 0.10 µrad RMS in the vertical direction.https://journals.iucr.org/paper?S1600577524010208x-rayfeedbackpidfpgafrequency domain |
| spellingShingle | Zhisen Jiang Hui Jiang Yinghua He Yan He Dongxu Liang Huaina Yu Aiguo Li Riccardo Signorato Development and testing of a dual-frequency real-time hardware feedback system for the hard X-ray nanoprobe beamline of the SSRF Journal of Synchrotron Radiation x-ray feedback pid fpga frequency domain |
| title | Development and testing of a dual-frequency real-time hardware feedback system for the hard X-ray nanoprobe beamline of the SSRF |
| title_full | Development and testing of a dual-frequency real-time hardware feedback system for the hard X-ray nanoprobe beamline of the SSRF |
| title_fullStr | Development and testing of a dual-frequency real-time hardware feedback system for the hard X-ray nanoprobe beamline of the SSRF |
| title_full_unstemmed | Development and testing of a dual-frequency real-time hardware feedback system for the hard X-ray nanoprobe beamline of the SSRF |
| title_short | Development and testing of a dual-frequency real-time hardware feedback system for the hard X-ray nanoprobe beamline of the SSRF |
| title_sort | development and testing of a dual frequency real time hardware feedback system for the hard x ray nanoprobe beamline of the ssrf |
| topic | x-ray feedback pid fpga frequency domain |
| url | https://journals.iucr.org/paper?S1600577524010208 |
| work_keys_str_mv | AT zhisenjiang developmentandtestingofadualfrequencyrealtimehardwarefeedbacksystemforthehardxraynanoprobebeamlineofthessrf AT huijiang developmentandtestingofadualfrequencyrealtimehardwarefeedbacksystemforthehardxraynanoprobebeamlineofthessrf AT yinghuahe developmentandtestingofadualfrequencyrealtimehardwarefeedbacksystemforthehardxraynanoprobebeamlineofthessrf AT yanhe developmentandtestingofadualfrequencyrealtimehardwarefeedbacksystemforthehardxraynanoprobebeamlineofthessrf AT dongxuliang developmentandtestingofadualfrequencyrealtimehardwarefeedbacksystemforthehardxraynanoprobebeamlineofthessrf AT huainayu developmentandtestingofadualfrequencyrealtimehardwarefeedbacksystemforthehardxraynanoprobebeamlineofthessrf AT aiguoli developmentandtestingofadualfrequencyrealtimehardwarefeedbacksystemforthehardxraynanoprobebeamlineofthessrf AT riccardosignorato developmentandtestingofadualfrequencyrealtimehardwarefeedbacksystemforthehardxraynanoprobebeamlineofthessrf |