| Paper | Title | Page |
|---|---|---|
MOP028 |
The Design of Button Beam Position Monitor for Shenzhen Innovation Light-Source Facility | |
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| Shenzhen Innovation Light-source Facility (SILF) is a brand new project supported by the Chinese government to build a 4th generation synchrotron radiation source whose storage ring is so-called diffraction-limited. The beam design is that the emission is less than 100 pm·rad, and the beam instability is less than 10% of the beam spot. Therefore, the revolution of the beam position monitor (BPM) needs to be less than 0.12 ¿m for closed orbit detection. In order to achieve such excellent resolution, the signal-to-noise ratio of the BPM output signal in the 10MHz bandwidth is required to be better than 66dB. After the finite element numerical analysis, the diameter of the pickup electrode will be 8mm, and the gap between the electrode and the vacuum chamber will be 0.3 mm. | ||
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