The Current Distributions In A Velocity Modulated Brillouin Focused Electron Beam

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THE CURRENT DISTRIBUTIONS IN A VELOCITY-MODULATED BRILLOUIN-FOCUSED ELECTRON BEAM.

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Author :
Publisher :
ISBN 13 :
Total Pages : 53 pages
Book Rating : 4.:/5 (227 download)

Book Synopsis THE CURRENT DISTRIBUTIONS IN A VELOCITY-MODULATED BRILLOUIN-FOCUSED ELECTRON BEAM. by :

Download or read book THE CURRENT DISTRIBUTIONS IN A VELOCITY-MODULATED BRILLOUIN-FOCUSED ELECTRON BEAM. written by and published by . This book was released on 1962 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt: Radio-frequency current distributions in a Brillouin-focused electron beam that has been velocity-modulated by a gridless-gap cavity are described. A review is presented of the small signal theory of ideal Brillouin beams in addition to small- and large-signal experimental results. An approximation is made to predict the RF current contours in a Brillouin beam whose d-c current- density profile resembles a trapezoid. The predictions of this theory are found to agree well with actual beam behavior in that both the thickness and the amplitude of the RF current density ring around the beam vary with the depth of modulation alpha when alpha is very small. The large-signal results show that an average non linear force is present, which causes the average diameter of the modulated beam to be smaller at some axial positions than the diameter of the d- c Brillouin beam. In addition, the large-signal results show that at least two- second- and two third-harmonic waves are present on the beam. One of these in each case is the component arising from the square-wave current-density wave at the edges of the beam. The other wave in each case is thought to have arisen from the nonlinear drive in the high alternating fields in the cavity gap.

The Current Distribution in Magnetically Focused Modulated Electron Beams

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Author : Donald Korsey Winslow
Publisher :
ISBN 13 :
Total Pages : 140 pages
Book Rating : 4.F/5 ( download)

Book Synopsis The Current Distribution in Magnetically Focused Modulated Electron Beams by : Donald Korsey Winslow

Download or read book The Current Distribution in Magnetically Focused Modulated Electron Beams written by Donald Korsey Winslow and published by . This book was released on 1957 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific and Technical Aerospace Reports

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ISBN 13 :
Total Pages : 1134 pages
Book Rating : 4.:/5 (31 download)

Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1989 with total page 1134 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Current Distribution in Magnetically Focused Modulated Electron Beams

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Author : Stanford University. Microwave Laboratory
Publisher :
ISBN 13 :
Total Pages : 80 pages
Book Rating : 4.F/5 ( download)

Book Synopsis Current Distribution in Magnetically Focused Modulated Electron Beams by : Stanford University. Microwave Laboratory

Download or read book Current Distribution in Magnetically Focused Modulated Electron Beams written by Stanford University. Microwave Laboratory and published by . This book was released on 1957 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Velocity Distribution of Electrons in Gap-modulated Electron Beams

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Author : Perry Baker Wilson
Publisher :
ISBN 13 :
Total Pages : 242 pages
Book Rating : 4.F/5 ( download)

Book Synopsis Velocity Distribution of Electrons in Gap-modulated Electron Beams by : Perry Baker Wilson

Download or read book Velocity Distribution of Electrons in Gap-modulated Electron Beams written by Perry Baker Wilson and published by . This book was released on 1958 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt:

U.S. Government Research Reports

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ISBN 13 :
Total Pages : 630 pages
Book Rating : 4.3/5 (243 download)

Book Synopsis U.S. Government Research Reports by :

Download or read book U.S. Government Research Reports written by and published by . This book was released on 1963 with total page 630 pages. Available in PDF, EPUB and Kindle. Book excerpt:

AFOSR.

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Author : United States. Air Force. Office of Scientific Research
Publisher :
ISBN 13 :
Total Pages : 1136 pages
Book Rating : 4.3/5 (243 download)

Book Synopsis AFOSR. by : United States. Air Force. Office of Scientific Research

Download or read book AFOSR. written by United States. Air Force. Office of Scientific Research and published by . This book was released on 1957 with total page 1136 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Technical Abstract Bulletin

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Author : Defense Documentation Center (U.S.)
Publisher :
ISBN 13 :
Total Pages : 1032 pages
Book Rating : 4.:/5 (5 download)

Book Synopsis Technical Abstract Bulletin by : Defense Documentation Center (U.S.)

Download or read book Technical Abstract Bulletin written by Defense Documentation Center (U.S.) and published by . This book was released on 1963 with total page 1032 pages. Available in PDF, EPUB and Kindle. Book excerpt:

U.S. Government Research Reports

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ISBN 13 :
Total Pages : 1322 pages
Book Rating : 4.E/5 ( download)

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Download or read book U.S. Government Research Reports written by and published by . This book was released on 1963 with total page 1322 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Effects of Electron Beam Confinement on Klystron Efficiency

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Author : Charles Garthe Nelson
Publisher :
ISBN 13 :
Total Pages : 128 pages
Book Rating : 4.F/5 ( download)

Book Synopsis Effects of Electron Beam Confinement on Klystron Efficiency by : Charles Garthe Nelson

Download or read book Effects of Electron Beam Confinement on Klystron Efficiency written by Charles Garthe Nelson and published by . This book was released on 1962 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effects of magnetic field configuration on klystron efficiency were measured, especially the effects of introducing magnetic flux at the cathode, leading to so-called confined flow in the electron beam. The experiments were performed using a two-cavity klystron of special design, incorporating a movable tput cavity and a scanning iris. The scanning iris permitted measurements of dc and rf current distribution in the beam; longitudinal movement of the cavity made these measurements possible at various axial positions and allowed the determination of optimum cavity spacing. Detailed studies were made on four beams requiring magnetic focusing fields of up to twice the Brillouin field. Detailed current distributions in these beams were used in determining various parameters useful in analyzing klystron performance, such as plasma wavelength, beam coupling coefficients, and beam loading conductance. (Author).

Microwave and Millimeter-Wave Vacuum Electron Devices: Inductive Output Tubes, Klystrons, Traveling-Wave Tubes, Magnetrons, Crossed-Field Amplifiers, and Gyrotrons

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Author : A.S. Gilmour, Jr.
Publisher : Artech House
ISBN 13 : 1630817295
Total Pages : 880 pages
Book Rating : 4.6/5 (38 download)

Book Synopsis Microwave and Millimeter-Wave Vacuum Electron Devices: Inductive Output Tubes, Klystrons, Traveling-Wave Tubes, Magnetrons, Crossed-Field Amplifiers, and Gyrotrons by : A.S. Gilmour, Jr.

Download or read book Microwave and Millimeter-Wave Vacuum Electron Devices: Inductive Output Tubes, Klystrons, Traveling-Wave Tubes, Magnetrons, Crossed-Field Amplifiers, and Gyrotrons written by A.S. Gilmour, Jr. and published by Artech House. This book was released on 2020-04-30 with total page 880 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by an internationally recognized as an expert on the subject of microwave (MW) tubes, this book presents and describes the many types of microwave tubes, and despite competition from solid-state devices (those using GaN, SiC, et cetera), which continue to be used widely and find new applications in defense, communications, medical, and industrial drying. Helix traveling wave tubes (TWTs), as well as coupled cavity TWTs are covered. Klystrons, and how they work, are described, along with the physics behind it and examples of devices and their uses. Vacuum electron devices are explained in detail and examines the harsh environment that must exist in tubes if they are to operate properly. The secondary emission process and its role in the operation of crossed-field devices is also discussed. The design of collectors for linear-beam tubes, including power dissipation and power recovery, are explored. Discussions of important noise sources and techniques that can be used to minimize their effects are also included. Presented in full color, this book contains a balance of practical and theoretical material so that those new to microwave tubes as well as experienced microwave tube technicians, engineers, and managers can benefit from its use.

Klystrons, Traveling Wave Tubes, Magnetrons, Crossed-field Amplifiers, and Gyrotrons

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Author : A.S. Gilmour Jr.
Publisher : Artech House
ISBN 13 : 1608071855
Total Pages : 883 pages
Book Rating : 4.6/5 (8 download)

Book Synopsis Klystrons, Traveling Wave Tubes, Magnetrons, Crossed-field Amplifiers, and Gyrotrons by : A.S. Gilmour Jr.

Download or read book Klystrons, Traveling Wave Tubes, Magnetrons, Crossed-field Amplifiers, and Gyrotrons written by A.S. Gilmour Jr. and published by Artech House. This book was released on 2011 with total page 883 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microwave tubes are vacuum electron devices used for the generation and amplification of radio frequencies in the microwave range. An established technology area, the use of tubes remains essential in the field today for high-power applications. The culmination of the authorOCOs 50 years of industry experience, this authoritative resource offers you a thorough understanding of the operations and major classes of microwave tubes.Minimizing the use of advanced mathematics, the book places emphasis on clear qualitative explanations of phenomena. This practical reference serves as an excellent introduction for newcomers to the field and offers established tube engineers a comprehensive refresher. Professionals find coverage of all major tube classifications, including klystrons, traveling wave tubes (TWTs), magnetrons, cross field amplifiers, and gyrotrons."

IRE Transactions on Electron Devices

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Publisher :
ISBN 13 :
Total Pages : 1454 pages
Book Rating : 4.:/5 (319 download)

Book Synopsis IRE Transactions on Electron Devices by :

Download or read book IRE Transactions on Electron Devices written by and published by . This book was released on 1959 with total page 1454 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Investigation of Large-signal Klystron and Traveling-wave Devices

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ISBN 13 :
Total Pages : 70 pages
Book Rating : 4.:/5 (319 download)

Book Synopsis Investigation of Large-signal Klystron and Traveling-wave Devices by :

Download or read book Investigation of Large-signal Klystron and Traveling-wave Devices written by and published by . This book was released on 1965 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: A general nonlinear multi-dimensional interaction theory is employed to analyze Brillouin focused beams in klystrons and traveling-wave amplifiers. Harmonic currents and beam spread are found for a number of different situations. Closed-form solutions are being sought for the nonlinear equations. Beam stability in the presence of r-f and velocity distribution effects on the start-oscillation conditions of BWO's are two specific problems where these solutions are to be applied. Experimental programs to check these analyses are described. An appropriate taper on a ring-and-bar circuit for obtaining phase-focused operation is presented. Progress on the magnetron injection gun computer program is described. The trajectory starting problem appears to be solved, while further work on establishing the proper current density from the cathode is indicated. Provisions in the relativistic electron beam computer program for self-induced effects are also described. The status of the UHF helix-magnetron injection gun device is summarized. Performance data of the gun in a beam analyzer is presented. (Author).

Investigation of New Concepts for Microwave Power Generation (plasma Studies)

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Author :
Publisher :
ISBN 13 :
Total Pages : 708 pages
Book Rating : 4.E/5 ( download)

Book Synopsis Investigation of New Concepts for Microwave Power Generation (plasma Studies) by :

Download or read book Investigation of New Concepts for Microwave Power Generation (plasma Studies) written by and published by . This book was released on 1963 with total page 708 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Energy Research Abstracts

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ISBN 13 :
Total Pages : 868 pages
Book Rating : 4.3/5 (129 download)

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Download or read book Energy Research Abstracts written by and published by . This book was released on 1982 with total page 868 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Bibliography of Scientific and Industrial Reports

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ISBN 13 :
Total Pages : 908 pages
Book Rating : 4.E/5 ( download)

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Download or read book Bibliography of Scientific and Industrial Reports written by and published by . This book was released on 1969-11 with total page 908 pages. Available in PDF, EPUB and Kindle. Book excerpt: