Overall design and cold test of a G-band gyrotron traveling-wave tube (gyro-TWT) amplifier
are presented. This gyro-TWT aims at achieving a goal of 10-kW pulse output power in the …

A novel methodology to perform mode conversion from rectangular fundamental TE 10
mode to circular TE (= 2, 3,)/TE (= 1, 2,)/TE= 2, 3,) modes with similar topologies is presented …

A novel method to generate a TE 0n (C)(n= 1, 2, 3)(C is circular for short) or TE 1n'(C)(n'= 2,
3, 4) mode via a TE m0 (R)(m= 2n or m= 2n'-1)(R is rectangular for short) mode generator is …

Sheet beam vacuum electron tubes are an attractive solution for high-power sources or
amplifiers at millimeter-wave and terahertz range. In this article, a high-order coalesced TM …

The design, fabrication, and cold test of a mode generator to excite the circular TE 01 or TE
21 mode for-band (220–325 GHz) gyrotron traveling-wave-tubes (TWTs) are presented in …

In this article, a broadband-band–mode converter is proposed and verified. To improve the
output performance of the–mode converter, a-to-intermediate mode conversion section with …

Design and measurement of a broadband compact circular TE 11 mode input coupler for
gyrotron traveling wave tubes (gyro-TWTs) are presented in this article. Different from the T …

Frequency tunability has become a subject of concern in the field of high-power microwave
(HPM) source research. However, little information about the corresponding mode converter …

In this paper a methodology to excite a circular high-order TE 13-mode via a rectangular TE
50 mode was proposed and verified by the millimeter wave measurement. This topology can …

A technique to launch a circular TE 13 mode to interact with the helical electron beam of a
gyrotron travelling wave amplifier is proposed and verified by simulation and cold test in this …