This document comprises a collection of technical notes on various aspects of high-power microwave (HPM) generation, coupling, and interaction. The notes were written between October 1983 and February 1986, and were originally distributed rather informally as Microwave Notes to members of the HPM community. It has since seemed worthwhile to edit and transcribe them, and to publish them as a single report. Time and resources did not permit either as detailed an editing job would have been desirable, or recalculation and plotting of the numerical results in a more elegant form. It is to be hoped, however, that this integrated document will prove useful to the community. The selection of topics addressed in the Microwave Notes was influenced by questions which arose at various stages of the author's involvement in HPM-related activities. The subject of pulse radiation from aperture antennas subject to turn-on time errors, for example, arose in the context of a proposed HPM generation scheme. Consideration of the scattering cross-section of a simple dipole and of its dual problem, the effective area of a thin slot, was motivated by the need to understand the penetration of such slot apertures by HPM pulses. (rrh).

Written at the graduate level, Generation and Application of High Power Microwaves discusses the basic physics of the generation of microwave and radiofrequency waves in the megawatt power range and the application of these ideas to a range of devices such as klystrons, gyrotrons, and free electron lasers. The book also contains chapters covering the transmission of the power through waveguides and the problems associated with mode conversion in transmission lines. The main application area covered is the heating and current drive in tokamaks and other devices for research into controlled nuclear fusion. Other applications of high power microwave technology are not neglected, and among those discussed are multiple charged ion and soft x-ray sources, electron spin resonance spectroscopy, advanced materials processing, millimeter wave radar, and supercolliders.

Explore the latest research avenues in the field of high-power microwave sources and metamaterials A stand-alone follow-up to the highly successful High Power Microwave Sources and Technologies, the new High Power Microwave Sources and Technologies Using Metamaterials, demonstrates how metamaterials have impacted the field of high-power microwave sources and the new directions revealed by the latest research. It’s written by a distinguished team of researchers in the area who explore a new paradigm within which to consider the interaction of microwaves with material media. Providing contributions from multiple institutions that discuss theoretical concepts as well as experimental results in slow wave structure design, this edited volume also discusses how traditional periodic structures used since the 1940s and 1950s can have properties that, until recently, were attributed to double negative metamaterial structures. The book also includes: A thorough introduction to high power microwave oscillators and amplifiers, as well as how metamaterials can be introduced as slow wave structures and other components Comprehensive explorations of theoretical concepts in dispersion engineering for slow wave structure design, including multi-transmission line models and particle-in-cell code virtual prototyping models Practical discussions of experimental measurements in dispersion engineering for slow wave structure design In-depth examinations of passive and active components, as well as the temporal evolution of electromagnetic fields High Power Microwave Sources and Technologies Using Metamaterials is a perfect resource for graduate students and researchers in the areas of nuclear and plasma sciences, microwaves, and antennas.

This book covers all the major types of microwave sources, their distinguishing features, the primary research issues and the fundamental limits on performance. The book traces the technological trends that form the historical foundations of the field and compares the capabilities of HPM to those of conventional microwaves. It is also a text of reference for research into fast photoconducting switching, electromagnetic missiles and pulse compression.

In recent years, significant advances have occurred in the development of high-power microwave (HPM) sources for a variety of applications, including particle accelerators, wireless power transmission, controlled fusion reactions, plasma heating for magnetic-confinement fusion, and high-power radars. This text deals with HPM's from their generation to their inadvertent reception, providing readers with up-to-date knowledge and probable future developments. Information supplied includes the current output levels of HPM sources, required system considerations in developing maximum fields and fluence, and resulting biological, electrical, and electronic effects from microwave illumination. Primarily intended for system designers and program managers involved developing HPM weapons or in providing protection of systems against HPM threats, this valuable resource also includes advanced discussions on radiation of HPM, system interaction analysis, and hardening design protection from HPM.

Electrical Engineering High-Power Microwave Sources and Technologies A volume in the IEEE Press Series on RF and Microwave Technology Roger D. Pollard and Richard Booton, Series Editors Written by a prolific group of leading researchers, High-Power Microwave Sources and Technologies focuses primarily on the high-power microwave (HPM) technology most appropriate for military applications. It highlights the advances achieved from 1995 to 2000 as the result of a US Department of Defense (DoD) funded, $15 million Multidisciplinary University Research Initiative (MURI) program. The grant created a synergy between researchers in the DoD laboratories and the academic community, and established links with the microwave vacuum electronics industry, which has led to unprecedented collaborations that transcend laboratory and disciplinary boundaries. This essential reference provides the history, state-of-the-art, and possible future of HPM source research and technologies. The first alternative to the multiplicity of detailed applications-based HPM books and journal articles, this book familiarizes the reader with recent advances in this rapidly changing field. It presents a compendium of valuable information on HPM sources, representing significant enabling technologies, including beam and rf control, cathodes, windows, and computational techniques. The era of utilizing computational techniques to electronically design an HPM source prior to actually building the hardware has arrived. Gain insight into proven techniques and solutions that will enhance your source design. High-Power Microwave Sources and Technologies is an invaluable resource to researchers active in the field, faculty, graduate and post-graduate students. Special Note: All royalties realized from the sale of this book will fund the future research and publications activities of graduate students in the HPM field.