A pillbox window with impedance matching sections for a W-band gyro-TWA

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Abstract

A mode-matching method was developed to design a pillbox-type millimeter wave window for a W-band gyrotron traveling wave amplifier. With additional impedance matching sections, the pillbox window was able to achieve -40 dB reflection over a 10% frequency bandwidth. The manufactured pillbox window achieved a maximum reflection of -15 dB. The reasons for the difference between the simulated and measured reflections were investigated.
LanguageEnglish
Number of pages4
JournalIEEE Electron Device Letters
Early online date9 May 2018
DOIs
Publication statusE-pub ahead of print - 9 May 2018

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Millimeter waves
Bandwidth

Keywords

  • pillbox window
  • vacuum electron device
  • gyro-TWA
  • microwave window

Cite this

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title = "A pillbox window with impedance matching sections for a W-band gyro-TWA",
abstract = "A mode-matching method was developed to design a pillbox-type millimeter wave window for a W-band gyrotron traveling wave amplifier. With additional impedance matching sections, the pillbox window was able to achieve -40 dB reflection over a 10{\%} frequency bandwidth. The manufactured pillbox window achieved a maximum reflection of -15 dB. The reasons for the difference between the simulated and measured reflections were investigated.",
keywords = "pillbox window, vacuum electron device, gyro-TWA, microwave window",
author = "Liang Zhang and Donaldson, {Craig R.} and Cross, {Adrian W.} and Wenlong He",
note = "(c) 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.",
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