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Use of a Linear Accelerator for Conducting In Vitro Radiobiology Experiments

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Development of compact linear accelerator in KBSI.

Jang-Hee Yoon¹, Byoung-Seob Lee, Seyong Choi

¹Busan Center, Korea Basic Science Institute, Busan 609-735, South Korea.

The Review of Scientific Instruments

|March 3, 2012

Summary

A new compact linear accelerator is being built in South Korea for fast neutron production, crucial for neutron radiography applications. Key components for the electron cyclotron resonance ion source (ECRIS) are designed and installed, with testing underway.

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Area of Science:

Nuclear Physics and Engineering
Accelerator Science
Materials Science

Background:

Development of advanced neutron sources is critical for applications like neutron radiography.
Electron Cyclotron Resonance Ion Sources (ECRIS) offer high-performance ion beam generation.
Compact accelerator designs are sought for specialized research facilities.

Purpose of the Study:

To report the design and current construction status of a compact linear accelerator.
To detail the development of a 28 GHz ECRIS for fast neutron production.
To outline the progress on key subsystems for the accelerator facility.

Main Methods:

Design and simulation of superconducting magnets for the ECRIS.
Development of a microwave transmission system for the 28 GHz gyrotron.
Engineering of beam extraction and plasma chamber components.
Installation and testing of a 10 kW, 28 GHz gyrotron.

Main Results:

Completion of the design phase for superconducting magnets, microwave transmission, beam extraction, and plasma chamber.
Nominal magnetic field strengths achieved: 3.6 T (axial injection), 2.2 T (axial extraction), and 2.1 T (radial at plasma chamber wall).
Successful installation and preliminary testing of the 10 kW, 28 GHz gyrotron.

Conclusions:

The compact linear accelerator facility at KBSI is progressing towards completion.
The designed ECRIS and associated systems are ready for integration and further testing.
The facility is poised to become a significant resource for fast neutron generation and neutron radiography.