Title :
Bunch length measurements in SPEAR3
Author :
Corbett, J. ; Fisher, A. ; Huang, X. ; Safranek, J. ; Sebek, J. ; Lumpkin, A. ; Sannibale, F. ; Mok, W.
Author_Institution :
SLAC, Stanford
Abstract :
A series of bunch length measurements were made in SPEAR3 for two different machine optics. In the achromatic optics the bunch length increases from the low-current value of 16.6 ps rms to about 30 ps at 25 ma/bunch yielding an inductive impedance of -0.17 Omega. Reducing the momentum compaction factor by a factor of ~60 [1] yields a low-current bunch length of ~4 ps rms. In this paper we review the experimental setup and results.
Keywords :
particle beam bunching; particle beam diagnostics; particle optics; SPEAR3; achromatic optics; bunch length measurements; Compaction; Digital cameras; Impedance; Length measurement; Lenses; Mirrors; Optical filters; Optical recording; Timing jitter; Velocity measurement;
Conference_Titel :
Particle Accelerator Conference, 2007. PAC. IEEE
Conference_Location :
Albuquerque, NM
Print_ISBN :
978-1-4244-0916-7
DOI :
10.1109/PAC.2007.4440071
