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High Power Microwave Tubes: Basics and Trends, Volume 2

Vishal Kesari, B. N. Basu

Description

Our aim in this book is to present a bird's-eye-view of microwave tubes (MWTs) that continue to be important despite competitive incursions from solid-state devices. We have presented a broad and introductory survey that we hope the readers would be encouraged to read rather than going through lengthier books, and subsequently explore the field of MWTs further in selected areas of relevance to their respective interests. We hope that this book will motivate newcomers to pursue research in MWTs, and offer the opportunity for readers an overview of the salient features and prospects, as well as the trends and progress of them. The scope of ever-expanding applications of MWTs in the high-power and high-frequency regime will sustain and intensify the research and development in MWTs in coming years.

Volume 2 begins with an overview of conventional MWTs leading through to a thorough overview of different types of MWTs including a chapter on fast-wave tubes, vacuum microelectronic tubes and frequency and power ranges. The book finishes with an epilogue that sums up the authors' attempt to bring out the various aspects of the basics of, and trends in, high-power MWTs.


About Editors

Vishal Kesari is Scientist at Microwave Tubes Research and Development Centre Defence Research and Development Organisation, Bangalore, India. He has authored two books and numerous research papers in peer-reviewed journals and conference proceedings.

B N Basu received his PhD from Institute of Radiophysics and Electronics, Calcutta University. He served several high-profile organizations in India and visiting assignments in the UK, Korea and Germany. He was President of Vacuum Electron Devices and Application Society, Bengaluru. He has authored or co-authored more than 100 research papers in journals and six monograph chapters in the area of microwave tubes, and has written four books across multiple publishers.


Table of Contents

Volume 2

Page No.

Foreword

i

Preface

ii

Acknowledgement

iv

Chapter 6

Qualitative Description of Conventional and Familiar Microwave Tubes

139-174

6.1

Traveling-Wave Tubes

139

Phenomenological description

139

Wideband performance

142

Efficiency considerations

143

Thermal management and output power

145

Backward-wave excitation, its suppression and role of attenuators

146

Extension of the design to the millimeter-wave regime

148

RF input/output couplers

149

Control of gain and phase variations

151

Requirement of space qualification

151

Dual-mode operation

152

Performance improvement by external means

153

Backward-wave oscillator

153

6.2

Klystrons

154

Two-cavity klystron

155

Multi-cavity klystron

156

Multi-beam klystron (MBK)

157

6.3

Klystron Variants

159

Reflex klystron

159

 

Inductive output tube

162

Extended interaction klystron (EIK)

163

Extended interaction oscillator (EIO)

165

 

Twystron

166

6.4

Crossed-Field Tubes

167

Magnetron  

167

Crossed-field amplifier (CFA) and carcinotron

172

 

Chapter 7

Fast-Wave Tubes

175-199

Operating point of fast-wave tubes

175

7.1

Cyclotron Resonance Maser (CRM) and Weibel Instabilities

178

7.2

Gyrotron

180

Higher beam-harmonic operation

184

Mode selectivity

185

7.3

Gyro-Backward-Wave Oscillator

187

7.4

Gyro-Klystron          

188

7.5

Gyro-Traveling-Wave Tube

190

Grazing intersection

191

7.6

Cyclotron Auto-Resonance Maser (CARM)

193

7.7

Slow-Wave Cyclotron Amplifier (SWCA)

195

7.8

Hybrid Gyro-Tubes

195

7.9

Peniotron

197

Chapter 8

Vacuum Microelectronic, Plasma-Filled and High Power Microwave (HPM) Tubes

200-229

8.1

Vacuum Microelectronic (VME) MWTs

200

 

Vacuum microelectronic (VME) technology

201

Typical vacuum-microelectronic (VME) MWTs      

204

8.2

Plasma-Filled MWTs

206

Plasma-cathode electron (PCE) gun

207

Typical plasma-filled MWTs

208

8.3

High Power Microwave (HPM) MWTs

212

Relativistic MWTs

215

Some other high power Cerenkov tubes      

220

Vircator⎯Bremsstrahlung radiation HPM tube

223

MILO⎯M-type HPM tube requiring no external magnetic field

226

Chapter 9

Frequency and Power Ranges of Common Microwave Tubes

230-235

Chapter 10

Epilogue

236-243

References

244-253

Bibliographic

Paperback ISBN: 9780750328999

Ebook ISBN: 9781681747071

DOI: 10.1088/978-1-6817-4704-0

Publisher: Morgan & Claypool Publishers

Series: IOP Series in Electromagnetics and Metamaterials

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