Electromagnetic theory and applications in beam-wave electronics
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Bibliographic Information
Electromagnetic theory and applications in beam-wave electronics
World Scientific, 1995
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Note
Includes bibliographical references and index
Description and Table of Contents
Description
This book is divided into two parts. The first part deals with basic electromagnetics and the second part with beam-wave electronics in growing-wave devices including ‘slow-wave’ traveling-wave tubes and ‘fast-wave’ gyro-traveling-wave tubes. The first part is a prerequisite for the second part, while the second part covers the application of the topics discussed in the first part. These two parts put together make the volume a self-contained treatise.In the specific application considered, both time-independent and time-dependent field concepts are exemplified, unlike in the usual topics, such as waveguides, antennas etc. of microwave engineering, where only time-dependent field concepts are applied.Stress is given to provide complete analytical derivation. However, care has been taken to see that the theme of the subject is not buried in too many mathematical details. These details are, however, not sacrificed as they are provided in a large number of appendices organised within the main text instead of being relegated to the end of the chapters.
Table of Contents
- Part 1: Coulomb's law
- Gauss' law in integral and differential (point) forms
- gradient of potential
- Poisson's and Laplace's equations
- Biot-Savert's law
- Ampere's law in integral and differential (point) forms
- magnetic vector potential
- Lorentz force
- continuity equation
- displacement current
- Faraday's law in integral and differential (point) forms
- Maxwell's equations
- wave equation
- skin depth and surface resistance
- boundary conditions
- Poynting vector and power flow. Part 2: Sheath and tape models of a helix
- field and equivalent
- circuit analyses
- dispersion relation
- characteristic and interaction impedances
- anisotropically and inhomogeneously loaded broad-band helical structures
- parallel-flow Pierce electron gun - Langmuir-Blodgett's law
- beam spread
- anode-aperture lens effects
- synthesis for gun dimensions
- conformal mapping of electrode shapes
- magnetic confinement of a linear electron beam
- Busch's theorem
- Brillouin conditions
- confined flow
- stability condition for a periodic permanent (PPM) structure
- growing-wave interaction - dispersion relation and Pierce's gain formula for a slow-wave TWT
- space-charge wave amplification in double-stream and beam-plasma amplifiers
- dispersion relation and Pierce-type gain formula for a fast-wave gyro-TWT.
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