1. The KSTAR Team, The KSTAR Project: advanced steady-state superconducting tokamak experiment, Proceedings of the 17th IAEA Fusion Energy Conference, IAEA-F1-CN-69/FT1/1, Yokohama, Japan, October 19–24, 1998.
2. 3D EM simulation software for RF wireless, packaging, and opto-electronic design using Finite Element Method (FEM), Ansoft Corporation's product. Available from http://www.ansoft.com.
3. R.B. Neal, The Stanford Two-Mile Accelerator, New York, Amsterdam, 1968, pp. 367–371.
4. Waveguide tapers, transitions, and couplers;Sporleder,1979
5. Private communication with Dr H.G. Jang.