Experimental results are presented of the first successful gyrotron backward wave
oscillator<? format?>(gyro-BWO) with continuous frequency tuning near the low-terahertz …

The results of experimental investigation of two Ka-band gyrotron traveling-wave tube (gyro-
TWT) amplifiers with helically corrugated waveguides are presented. The first tube produces …

The experimental results of a thermionic cusp electron gun, to drive millimeter and
submillimeter wave harmonic gyrodevices, are reported in this paper. Using a “smooth” …

Gyro-TWTs with Helically Corrugated Waveguides: Overview of the Main Principles Page 1
Abstract—An overview of the main principles of operation and design for major components of …

A broadband multi-layer microwave window operating in the W-band frequency range was
numerically simulated, constructed and its microwave properties measured. The window …

A quasi-optical mode converter in the form of a corrugated horn has been designed through
numerical simulations, manufactured and experimentally measured for application in W …

A novel thermionic cusp electron gun operating in the temperature-limited regime that
produces a large-orbit electron beam through a nonadiabatic magnetic-field reversal was …

Simultaneous generation at the second and fourth cyclotron harmonics has been obtained
from a single-cavity self-excited gyromultiplier. Output power of the short-wavelength …

CW Ka-Band Kilowatt-Level Helical-Waveguide Gyro-TWT Page 1 2250 IEEE TRANSACTIONS
ON ELECTRON DEVICES, VOL. 59, NO. 8, AUGUST 2012 CW Ka-Band Kilowatt-Level …

For a long time, most gyrotron oscillators have avoided using TM modes because of the
concerns about strong bunching competition and relatively weak beam− wave coupling …