Harmonic multiplying two-stage tapered gyro-TWT

C. W. Baik, S. G. Jeon, D. H. Kim, A. K. Ganguly, J. J. Choi, G. S. Park, N. Sato, K. Yokoo

Research output: Contribution to journalArticlepeer-review


A study was conducted on a harmonic multiplying two-stage tapered gyrotron traveling-wave tube to achieve high power millimeter waves by tripling input frequencies. Thus, X-band input frequencies were multiplied to Ka-band at the 3rd harmonic of electron cyclotron frequencies. As a result, the two-stage tapered gyro-TWT done at NRL have shown a 20% bandwidth at saturated gain of 25dB with 16% efficiency when the 4% axial velocity spreads of electrons were assumed at Ka-band with the fundamental harmonic interaction.

Original languageEnglish
Article number17
Pages (from-to)99
Number of pages1
JournalIEEE International Conference on Plasma Science
Publication statusPublished - 2002


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