D.T. Lopes

Dispersion Comparison Between Ring-Bar Helix and a New Sloped-Ring Helix

D.T. Lopes, C.C. Motta, 2007, 2007 IEEE International Vacuum Electronics Conference.

Characterization of Ring-Bar and Contrawound Helix Circuits for High-Power Traveling-Wave Tubes

D.T. Lopes, C.C. Motta, 2008, IEEE Transactions on Electron Devices.

CAD of an X-band TWT interaction circuit with experimental validation

D.T. Lopes, C.C. Motta, 2009, 2009 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC).