Fast IR Array Detector for Transverse Beam Diagnostics at DAΦNE

Details Fast IR Array Detector for Transverse Beam Diagnostics at DAΦNE Fast IR Array Detector for Transverse Beam Diagnostics at DAΦNE

2010-06-10

arxiv.org/abs/1006.2023v1

Physics

Accelerator Physics

3 pages, 4 figures, poster presented to IPAC'10 - Kyoto - May 24-28 2010

Scientific paper

At the Laboratori Nazionali di Frascati of the National Institute of Nuclear Physics (INFN) an infrared (IR) array detector with fast response time has been built and assembled in order to collect the IR image of e-/e+ sources of the DA{\Phi}NE collider. Such detector is made by 32 bilinear pixels with an individual size of 50x50 {\mu}m2 and a response time of ~1 ns. In the framework of an experiment funded by the INFN Vth Committee dedicated to beam diagnostics, the device with its electronic board has been tested and installed on the DA{\Phi}NE positron ring. A preliminary characterization of few pixels of the array and of the electronics has been carried out at the IR beamline SINBAD at DA{\Phi}NE. In particular the detection of the IR source of the e- beam has been observed using four pixels of the array acquiring signals simultaneously with a four channels scope at 1 GHz and at 10 Gsamples/s. The acquisition of four pixels allowed monitoring in real time differences in the bunch signals in the vertical direction. A preliminary analysis of data is presented and discussed. In particular we will outline the correlation between signals and displacements of the source occurring with bunch refilling during a complete shift of DA{\Phi}NE.

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