Author: Friederich, S.
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TUPWA044 Test electron source for increased brightness emission by near band gap photoemission 1512
 
  • S. Friederich, K. Aulenbacher
    IKP, Mainz, Germany
 
  Funding: Bundesministerium für Bildung und Forschung/Federal Ministry of Education and Research; Joint project HOPE
A new photoemissive electron source is being built in order to make use of the reduction of ensemble temperature in near band gap photoemission. It will operate at up to 200 kV bias voltage with NEA GaAs photocathodes. High bunch charges will be investigated in pulsed mode with respect to the conservation of emittances at low energy excitations. High field gradients at the cathode surface will also allow further investigation of the field emission process of these photocathodes.
 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-TUPWA044  
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TUPWA045 Further Investigations on the MESA injector 1515
 
  • R.G. Heine, K. Aulenbacher, S. Friederich, C. Matejcek, F. Schlander
    IKP, Mainz, Germany
 
  Funding: work supported by the German Federal Ministery of Education and Research under the Cluster of Excellence "PRISMA"
The MESA ERL to be build at Mainz in the next years is a multi turn recirculating linac with beam currents of up to 10 mA. The dynamic range of the beam currents demanded by the experiments is of at least two orders of magnitude. This is a special challenge for the layout design of an injector. In this paper we present the current status of the design of the injector linac called MAMBO (MilliAMpereBOoster).
 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-TUPWA045  
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