Concept of Gyrotron Complexes With Serial Phase and Frequency Locking

For the development of complexes of coherently operating gyrotrons, we propose a scheme with serial connection when the generation frequency and phase of each gyrotron are locked by a previous one. In contrast with a more basic parallel connection, such a scheme does not imply the use of a master-oscillator by dividing its power into many channels, that is, the number of connected gyrotrons is not limited. Besides, a significant part of the power of each generator can be used to synchronize the next element in the series; thus, the locking bandwidth is expanded. In accordance with the numerical simulations, the drop in efficiency when a strong external signal is applied can be negated by varying the value of the guiding magnetic field.