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Communication Dans Un Congrès Année : 2013

Characterisation of CVD Diamond devices as XBPMs at SOLEIL

Kewin Desjardins
Denis Duran
  • Fonction : Auteur
William Shepard

Résumé

Single crystal CVD diamonds have been developed for use as XBPMs on the beamlines of the French synchrotron SOLEIL. These devices have been calibrated and characterized directly on the beamline following an elaborate protocol. An example is given for an XBPM installed on PROXIMA 2. This device has shown a charge collection efficiency of 100% for only 0.2V/µm with total signal-to-noise ratio better than 10^5. A complete 2D scan gives the homogeneity of the scale factors over the active surface with a very low error corresponding to 0.6µm (beam off-center and maximum calibration error). The current sensitivity measurement shows a fluctuation less than 0.02% and the responsivity is calculated to measure the incident flux. And finally, the spatial resolution for these XBPMs is better than 1µm rms at 1kHz and 100 nm rms at 5 Hz.
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Origine : Publication financée par une institution

Dates et versions

hal-01904727 , version 1 (20-11-2022)

Identifiants

Citer

Kewin Desjardins, Denis Duran, Stéphanie Hustache, Michal Pomorski, William Shepard. Characterisation of CVD Diamond devices as XBPMs at SOLEIL. 11th International Conference on Synchrotron Radiation Instrumentation (SRI 2012), Jul 2012, Lyon, France. pp.212004, ⟨10.1088/1742-6596/425/21/212004⟩. ⟨hal-01904727⟩
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