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Description
A low energy collimator is being designed for the injection line of the C70XP cyclotron at Arronax. The context of its conception follows the studies that were performed with an Allison emittance-meter and several simple collimators*. The studies show the presence of offset beams, beamlets and hollow beams inside the injection line. The new dedicated collimator, based on four independent and adjustable slits, is planned to allow selection of the transverse geometry of the beam.
The design of the collimator is constrained by a number of considerations, including spatial limitations, beam power, electronic perturbation, and radiation. These considerations are taken into account to ensure that the collimator does not cause any disruption to other nearby systems.
The primary objective of the collimator is to be robust and to allow for electric measurements. The collimator will be used to conduct a study on the potential optimisation of the transmission from the injection line to the target, as well as the beam shape. In order to achieve these objectives, it is imperative that the collimator performs precise displacement and precise electrical measurements. The motor control and electrical measurement functions will be integrated into the EPICS environment. The paper presents the advancement of the project and also the initial results of the bench prototype control system.
Footnotes
- Durand T., « Développement des techniques de hautes intensités dans l'injection du cyclotron Arronax », DOI : tel-04952702v1
