A comprehensive review of depressed collectors of slow-wave devices

A Mercy Latha, SK Ghosh - Journal of Electromagnetic Waves and …, 2021 - Taylor & Francis
Collectors are an indispensable part of any vacuum microwave devices where the electron
beam–so-called spent electron beam emerged from interaction structure–is collected …

Multistage depressed collector with improved thermal management for high efficiency travelling wave tubes

AM Latha, V Gahlaut, RK Sharma… - … on Electron Devices, 2014 - ieeexplore.ieee.org
Multistage depressed collectors (MDCs) are used to enhance the overall efficiency of
travelling-wave tubes (TWTs). Thermal management is one of the critical concerns when …

Challenges in achieving hermetic brazing joints in single-insulator multi-stage depressed collector of travelling wave tubes

AM Latha, V Gahlaut, RK Sharma, SK Ghosh - Vacuum, 2020 - Elsevier
Travelling wave tube (TWT) being a vacuum electronic device, demands achieving hermetic
sealing in~ 350 braze and weld joints to attain ultra-high vacuum. One such critical brazing …

Brazing Failure Analysis in Single-Insulator Multi-stage Depressed Collector of TWTs

V Gahlaut, AM Latha, SK Ghosh - 2020 URSI Regional …, 2020 - ieeexplore.ieee.org
Travelling wave tubes (TWTs) are generally known for their broadband operation, high gain
and high efficiency of~ 60%. Typically for efficiency enhancement of the TWTs, multi-stage …