Saturated behavior of the gyrotron backward-wave oscillator

S. H. Chen, K. R. Chu, T. H. Chang

Research output: Contribution to journalArticlepeer-review

46 Scopus citations


Physical processes in the gyrotron backward-wave oscillator (gyro-BWO) are investigated theoretically. Results indicate highly current-sensitive field profiles and hence sharply contrasting linear and saturated behaviors. The linear field extends over the entire structure length, whereas the saturated profile depends strongly on the energetics in the internal feedback loop. It is shown that this distinctive feature substantially influences the basic properties of the gyro-BWO including the start-oscillation current, efficiency, power scaling, and stability of tuning.

Original languageEnglish
Pages (from-to)2633-2636
Number of pages4
JournalPhysical Review Letters
Issue number12
StatePublished - 2000


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