Charge balancing fill rate monitor

Charge balancing fill rate monitor

A fill rate monitor has been developed for the NSLS storage rings to allow machine tuning over a very large dynamic range of beam current. Synchrotron light, focused on a photodiode, produces a signal proportional to the beam current. A charge balancing circuit processes the diode current, creating...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Rothman, J.L., Blum, E.B.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Circuit optimization
Condition monitoring
Diodes
Dynamic range
Particle beam injection
Photodiodes
Signal processing
Signal resolution
Storage rings
Synchrotrons
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Beschreibung
Zusammenfassung:A fill rate monitor has been developed for the NSLS storage rings to allow machine tuning over a very large dynamic range of beam current. Synchrotron light, focused on a photodiode, produces a signal proportional to the beam current. A charge balancing circuit processes the diode current, creating an output signal proportional to the current injected into the ring. The unit operates linearly over a dynamic range of 120 dB and can resolve pulses of injected beam as small as 1 /spl mu/A.
DOI:10.1109/PAC.1995.505580