Abstract
A beam profile-/emittance monitor has been developed and tested at the Frankfurt 14 GHz electron cyclotron resonance ion source. It consists of a standard moving slit system in combination with a new type of profile monitor that can easily be integrated into the diagnose boxes of the existing beam line. Utilizing the standard Faraday cup measurements of the beam diagnosis, the system is permanently integrated into the beam line. This is in contrast to the device used so far, which always demanded for a major reconfiguration of the existing beam line, merely for the case of emittance measurements. This device(s) will be introduced at certain diagnose boxes of the beam transport system to meet the increased need of an improved characterization of the beam quality during normal operation as well as for optimizing source parameters. It is also an important input for transport calculations of new beam lines. Such calculations are necessary to control the matching of the beam emittance to the acceptance of the variable-energy radio frequency quadrupole postaccelerator.
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