Patent ID: 8450951
Filing Date: 2013-05-28
Classification: H01J

Abstract:
1. A process for gyrotron power regulation comprising: using a processor for raising a filament voltage of a gyrotron to a standby voltage; using the processor for setting the filament voltage to the standby voltage plus a current offset voltage before pulsing the gyrotron; using the processor for increasing the filament voltage to a boost voltage that is higher than the standby voltage, thereby inducing a temperature increase in the cathode that offsets the cooling effect of radiating; using the processor for analyzing a beam power of the gyrotron and adjusting the filament voltage to bring a beam current within a range; raising the voltage of the filament to the standby voltage by a first ramping up of the voltage to a predetermined voltage over a predetermined time period; raising the voltage of the filament by a second ramping up of the voltage over a second predetermined time period; and providing a settling time before determining that the filament is ready to radiate; wherein the first ramping up is at a rate that is less that the rate of the second ramping up.