RF characteristics of IHQ linac for heavy ion implantation

• Published in: Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms Vol. 139; no. 1; pp. 401 - 404
• Main Authors: Ito, Takashi, Osvath, E., Sasa, Kimikazu, Hayashizaki, Noriyosu, Isokawa, Katsushi, Schubert, H., Hattori, Toshiyuki
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01-04-1998
• ISSN: 0168-583X; 1872-9584
• DOI: 10.1016/S0168-583X(97)00980-4

At Tokyo Institute of Technology (TIT), an Interdigital-H type Quadrupole (IHQ) linac has been constructed for application in high energy heavy ion implantation. The linac can accelerate particles with charge to mass ratio greater than 1/16 from 0.24 MeV up to 1.6 MeV (for
16O
+). As a result of the low power test, the resonant frequency is 36.26 MHz, the shunt impedance is 252 MΩ/m and therefore, the required power to accelerate
16O
+ ion is 39.5 kW.