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Design and realization aspects of 1-THz cascade backward wave amplifier based on double corrugated waveguide

Research output: Contribution to journalJournal article


  • Claudio Paoloni
  • Aldo Di Carlo
  • Faycal Bouamrane
  • Thomas Bouvet
  • Alain J. Durand
  • Mikko Kotiranta
  • Viktor Krozer
  • Stephan Megtert
  • Mauro Mineo
  • Vitaliy Zhurbenko
<mark>Journal publication date</mark>2013
<mark>Journal</mark>IEEE Transactions on Electron Devices
Number of pages8
<mark>Original language</mark>English


The design and fabrication challenges in the first ever attempt to realize a 1-THz vacuum tube amplifier are described. Implementation of innovative solutions including a slow-wave structure in the form of a double corrugated waveguide, lateral tapered input and output couplers, deep X-ray LIGA fabrication process, and a cascade architecture of the backward wave amplifier are discussed. A new knowledge in the field of terahertz vacuum devices brought by intensive simulations and development of advanced fabrication and assembly processes of the micro
structures is highlighted.