Development of the 1 MeV/n RFQ accelerator beam line at KOMAC

For the advantage of good beam quality that is essential for decreasing beam loss, Radio Frequency Quadrupole (RFQ) accelerator is the best accelerating structure for a low-energy beam with a strong spacecharge effect. It provides a beam with both transverse focusing and longitudinal bunching, as well as acceleration [1]. Korea Multi-purpose Accelerator Complex (KOMAC) has been designing and developing the 1 MeV/n RFQ accelerator for several years. We could sketch the design like Figure 1. Considering optical simulation and engineering design. The fourvane type RFQ accelerates an ion beam from a 2.45 GHz microwave ion source of 25 keV/n to an energy 1 MeV/n. The main parameter of this accelerator is shown in the table 1. It can be application for test stand of 100 MeV proton linac accelerator and neutron production.