Realignment of a diverging electron beam: a new beam delivery system for rhodotrons

• Published in: Proceedings of the 1997 Particle Accelerator Conference (Cat. No.97CH36167) Vol. 3; pp. 3857 - 3859 vol.3
• Main Authors: Jongen, Y., Abs, M., Zaremba, S., Delvigne, T., Herer, A.
• Format: Conference Proceeding
• Language: English
• Published: IEEE 1997
• Subjects: Acceleration; Cyclotrons; Electron accelerators; Electron beams; Frequency; Magnetic fields; Magnets; Manufacturing industries; Particle beams; Power system modeling
• ISBN: 078034376X; 9780780343764
• DOI: 10.1109/PAC.1997.753439

Industrially useful electron beams produced at 300 keV or more are typically generated by introducing an oscillating magnetic field near the apex of a triangular scanning horn, thus creating a diverging treatment field. Product dosing is then accomplished by conveying target material through this field. For many irradiation applications this diverging beam introduces inefficiencies in beam power utilization and dosing non-uniformity. This paper presents beam delivery systems developed by IBA for Rhodotron accelerators and, in particular, a new scan horn for delivery of a non-diverging beam.