Title :
Design of a 140 GHz, 100 W gyroklystron amplifier
Author :
Joye, C.D. ; Shapiro, M.A. ; Sirigiri, J.R. ; Temkin, R.J.
Author_Institution :
MIT Plasma Sci. & Fusion Center, MIT, Cambridge, MA, USA
Abstract :
Summary form only given. We present the preliminary design and the simulation results for a 140 GHz, 100 W CW gyroklystron amplifier for use in dynamic nuclear polarization (DNP) experiments. The amplifier operates with a 10 kV, 100 mA electron beam and simulations show a saturated gain of 32 dB at α=1.4 for the TE02 mode with an efficiency of 9% and output power of 86 W. The use of photonic band gap (PBG) cavities to suppress mode competition is also under evaluation.
Keywords :
dynamic nuclear polarisation; gyrotrons; klystrons; millimetre wave power amplifiers; photonic band gap; 10 kV; 100 W; 100 mA; 140 GHz; 32 dB; 86 W; 9 percent; DNP; PBG; TE02 mode operation; dynamic nuclear polarization experiments; electron beam; gyroklystron amplifier; mode competition suppression; photonic band gap cavities; Bandwidth; Electron beams; Gain; Klystrons; Low voltage; Photonic band gap; Polarization; Power amplifiers; Power generation; Pulse amplifiers;
Conference_Titel :
Vacuum Electronics Conference, 2004. IVEC 2004. Fifth IEEE International
Print_ISBN :
0-7803-8261-7
DOI :
10.1109/IVELEC.2004.1316270
