source programs, including a 50 MW multiple beam klystron, a 200 MW annular beam klystron, and a 10 MW annular beam klystron. He is currently leading research to implement advanced... periodic permanent magnet focusing in high power klystrons at L-Band and S-Band. Dr. Ferguson has more than forty years of experience in advanced electron beam devices...

and welding of complex parts for the communications and semiconductor industries. Currently he is assembling an 8-beam multiple beam electron gun for a 50 MW klystron, a multiple beam...

was principle designer for the Gyrotron Department at Varian Associates in Palo Alto, CA. Maxwell Mizuhara has 47 years of experience in designing microwave tubes, including klystrons... for advanced accelerator applications. Mr. Mizuhara is currently completing the mechanical design of a 15 kW CW klystron for the Jefferson National Laboratory superconducting...

klystron 200 kW CW 350 MHz inductive output tube 10 MW L-Band annular beam klystron L-Band PPM focused klystron Asymmetric Immersed Pole Undulators for Advanced Radiation Sources..., and cathodes operating at 30 A/cm2 are being implemented in klystrons and backward wave oscillators. Figure 2. Miram Plot Figure 3. PWFD of CCR cathode with comparison to typical M... Gun," 2009 Vacuum Electronics Conference, Rome, Italy, pp. 181-182, April 2009. 10 MW L-Band Annular Beam Klystron The next generation of high energy physics accelerators...

simulation. Patrick Ferguson, Ph.D. Senior Scientist Specializes in high-power klystron design. George Miram Senior Scientist Specialist on electron guns and cathode technology. Ives...