Topic outline

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  Introduction

  Course Contents

  • Introduction: Overview, Static Fields Produced by Electrons
  • Influence of Magnetic Field on Electron Motion
  • Electron Cathode
  • Electron Gun and Electron Beam
  • Beam Gap Interaction and Bunching
  • Klystron
  • Traveling Wave Tubes TWT
  • Crossed Field Devices (Magnetron)
  • Gyrotron

  References:

  1. (Main Reference) A. S. Gilmour Jr., Klystrons, Traveling Wave Tubes, Magnetrons, Cross-Field Amplifiers, and Gyrotrons, 1st ed. Artech House, 2011.
  2. J. Benford, J. A. Swegle, and E. Schamiloglu, High power microwaves, Taylor & Francis, 2007.

  • Introduction File
  • News forum
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  Electron Dynamics

  • Equations of Motion
    • Energy Equation
  • Universal Beam Spread Curve
  • Motion in Cylindrical Coordinates
    • Motion in Axially Symmetric Fields (Busch's Theory)

  • Electron Dynamics File

  
  
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  Electron Dynamics

  • Overview of Uniform Field Focusing
    • Brillouin Flow
    • Scalloping
    • Conned (Immersed) Flow

  • Uniform-Field Focusing and Laminar Flow
    • The Beam Equation
    • Confined (Immersed) Flow

  • Electron Dynamics File
  • Assignment 1 File

  
  
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  Beam Gap Interaction

  Beam Modulation

  • Gridded (Planar) Gaps

  • Gridless (Nonplanar) Gap

  • Beam Gap Interaction File

  
  
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  Beam Gap Interaction

  Induced Current

  • Total Current, Continuity of Total Current

  • Schockley-Ramo Theorem

  • Induced Current File

  
  
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  Klystron

   

  • Klystron File
  • Bell Radiation Lab Document File

  
  
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  Space-charge Theory

  Read Chapter 3 starting in page 38.

  • Space-charge Theory File

  
  
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  Assignment 1

  Klystron Report

  • Klystron Assignment File

  
  
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  Space-charge Theory

   

  • Corrections to Small Signal Space Charge Modes in a Guiding Structure File

  
  
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