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THPSM16 |
Design of a Compact X-Band Linac Structure for KAERI-RTX-ISU Medical Cyberknife Project |
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- C.F. Eckman, T. Downer
IAC, Pocatello, IDAHO, USA
- A. Andrews, P. Buaphad, Y. Kim
ISU, Pocatello, Idaho, USA
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Recently, the Advanced Accelerator and Ultrafast beam Lab (AAUL) at Idaho State University (ISU), has been developing an X-band linac for the medical CyberKnife project by collaborating with Korean Atomic Energy Re- search Institute (KAERI) and Radiation Technology eXcellence (RTX) [1–3]. The medical CyberKnife is essentially an X-band linac, which is attached to a robotic arm for precise cancer treatment. The X-band linac has considerable advantages in cancer treatment over C-band or other RF linacs, partly due to its compact size and light weight. These qualities make the X-band linac easier to attach to a robotic arm, thus making it more maneuver- able. Other advantages include a higher accelerating gradient and a higher shunt impedance. Since high mobility is necessary for precise cancer treatment, the compact X-band RF linac was selected for the CyberKnife project. This paper describes detailed design processes of the X-band linac structure, which was done with 2D SUPERFISH and 3D CST MICROWAVE STUDIO (CST MWS) electromagnetic simulation programs.
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