Introduction To The Physics Of Gyrotrons
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Introduction To The Physics Of Gyrotrons
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Author : Gregory S. Nusinovich
language : en
Publisher: JHU Press
Release Date : 2020-03-03
Introduction To The Physics Of Gyrotrons written by Gregory S. Nusinovich and has been published by JHU Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-03-03 with Science categories.
As unique sources of coherent high-power, microwave, and millimeter-wave radiation, gyrotrons are an essential part of the hunt for controlled fusion. Presently, gyrotrons are actively used for electron cyclotron resonance plasma heating and current drive in various controlled fusion reactors. These sources have been under development in many countries for more than forty years. In spite of their widespread use, however, there is as yet no single book to introduce non-specialists to this vital field. Now Gregory S. Nusinovich, an early pioneer of the gyrotron and widely regarded today as the world's leading authority on the subject, explains the fundamental physical principles upon which gyrotrons and related devices operate. Nusinovich first sets forth some "rules of thumb" that allow readers to understand gyrotron operation in simple terms. He then explores the fundamentals of the general theory of gyrotrons and offers an overview of the various types of gyro-devices, including gyromonotrons, gyroklystrons, gyro-traveling-wave tubes, and gyrotwystrons. He explains not only the theory, linear and nonlinear, but also the practical challenges that users of such devices face. This book will be of interest to undergraduate and graduate students as well as to those who develop gyrotrons or who use them in various applications. It should also appeal to plasma physicists interested in charged-particle dynamics, as well as to applied physicists needing to know more about micro- and millimeter-wave technologies.
Introduction To The Physics Of Gyrotrons
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Author : G. S. Nusinovich
language : en
Publisher: JHU Press
Release Date : 2004-08-04
Introduction To The Physics Of Gyrotrons written by G. S. Nusinovich and has been published by JHU Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-08-04 with Science categories.
"This book will be of interest to undergraduate and graduate students, plasma physicists interested in charged-particle dynamics, and applied physicists needing to know more about micro- and millimeter-wave technologies."--BOOK JACKET.
Gyrotrons
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Author : Machavaram V. Kartikeyan
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-14
Gyrotrons written by Machavaram V. Kartikeyan and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-14 with Technology & Engineering categories.
Gyrotron oscillators (gyrotrons) are capable of providing hundreds of kilo watts of power at microwave and millimetric wavelengths. From their con ception in the late fifties until their successful development for various ap plications, gyrotrons have come a long way technologically and made an ir reversible impact on both users and developers. The possible applications of high power millimeter and sub-millimeter waves from gyrotrons and their variants (gyro-devices) span a wide range of technologies. The plasma physics community has already taken advantage of the recent advances of gyrotrons in the areas of RF plasma production, heating, non-inductive current drive, plasma stabilization and active plasma diagnostics for magnetic confinement thermonuclear fusion research, such as lower hybrid current drive (LHCD) (8 G Hz), electron cyclotron resonance heating (ECRH) (28-170 G Hz), elec tron cyclotron current drive (ECCD), collective Thomson scattering (CTS) and heat-wave propagation experiments. Other important applications of gy rotrons are electron cyclotron resonance (ECR) discharges for the generation of multi-charged ions and soft X-rays, as well as industrial materials process ing and plasma chemistry. Submillimeter wave gyrotrons are employed in high frequency, broadband electron paramagnetic resonance (EPR) spectroscopy. Additional future applications await the development of novel high power gyro-amplifiers and devices for high resolution radar ranging and imaging in atmospheric and planetary science as well as deep space and specialized satellite communications and RF drivers for next generation high gradient linear accelerators (supercolliders).
Time Dependent Spectrum Analysis Of High Power Gyrotrons
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Author : Schlaich, Andreas
language : en
Publisher: KIT Scientific Publishing
Release Date : 2015-08-06
Time Dependent Spectrum Analysis Of High Power Gyrotrons written by Schlaich, Andreas and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-08-06 with Technology (General) categories.
In this work, a novel measurement system for the analysis of the gyrotron RF output spectrum was developed. It enables unprecedented time dependent measurements within a large bandwidth, dynamic range and unambiguous RF indication in the entire D-Band (110-170 GHz). Special attention was given to the investigation of parasitic RF oscillations, and the analysis of the interplay of thermal cavity expansion and ionization-based space charge neutralization at the start of long RF pulses.
Electron Gun For Gyrotrons
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Author : Udaybir Singh
language : en
Publisher: Springer Nature
Release Date : 2022-08-22
Electron Gun For Gyrotrons written by Udaybir Singh and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-08-22 with Science categories.
This book highlights the emission, transmission, and launching of an electron beam. It presents an overview and recent advances in order to enhance knowledge in the field of gyrotron in general and electron gun in particular. The book is presented in seven chapters starting with the introduction and ending with future possible directions in the field of electron beams and gyrotrons.
A First 2 Mw Class 136 170 204 Ghz Multi Frequency Gyrotron Pre Prototype For Demo Design Construction And Key Components Verification
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Author : Ruess, Tobias
language : en
Publisher: KIT Scientific Publishing
Release Date : 2023-10-26
A First 2 Mw Class 136 170 204 Ghz Multi Frequency Gyrotron Pre Prototype For Demo Design Construction And Key Components Verification written by Ruess, Tobias and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-10-26 with categories.
Ein Gyrotron wird in magnetisch eingeschlossenen Plasmaexperimenten für Heizung, Stromtrieb, Plasmastabilisierung und Plasmadiagnostik verwendet. In dieser Arbeit wird der erste Entwurf und Bau eines Mehrfrequenz-/Mehrzweck Pre-Prototyp Gyrotrons in koaxialer Technologie vorgestellt, das bei (136)/170/204 GHz mit einer Ausgangsleistung von 2 MW arbeitet. Dies ist der erste Schritt zum Betrieb bei Frequenzen bis zu 240 GHz unter Verwendung der Koaxialhohlraum-Gyrotrontechnologie. - A gyrotron is used in magnetically confined plasma experiments for heating, current drive, plasma stabilization and plasma diagnostics. This work presents the first design and construction of a multi-frequency / multi-purpose coaxial-cavity pre-prototype gyrotron operating at (136)/170/204 GHz with an output power of 2 MW. It is the first step towards operating frequencies up to 240 GHz using the coaxial-cavity gyrotron technology.
Millimeter Wave Gyrotron Traveling Wave Tube Amplifiers
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Author : Chao-Hai Du
language : en
Publisher: Springer
Release Date : 2014-05-29
Millimeter Wave Gyrotron Traveling Wave Tube Amplifiers written by Chao-Hai Du and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-05-29 with Technology & Engineering categories.
A gyrotron traveling-wave amplifier (gyro-TWT) with the high-power and broad-band capabilities is considered as a turn-on key for next generation high-resolution radar. The book presents the most advanced theory, methods and physics in a gyro-TWT. The most challenging problem of instability competition has been for the first time addressed in a focused and systematic way and reported via concise states and vivid pictures. The book is likely to meet the interest of researchers and engineers in radar and microwave technology, who would like to study the gyro-TWTs and to promote its application in millimeter-wave radars. Chao-Hai Du and Pu-Kun Liu are both professors at Peking University.
Diffraction And Scattering In Launchers Of Quasi Optical Mode Converters For Gyrotrons
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Author : Jens Hanspeter Flamm
language : en
Publisher: KIT Scientific Publishing
Release Date : 2014-06-17
Diffraction And Scattering In Launchers Of Quasi Optical Mode Converters For Gyrotrons written by Jens Hanspeter Flamm and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-06-17 with Technology & Engineering categories.
In this work different methods for the calculation of diffraction and scattering in launchers of quasi-optical mode converters for gyrotrons are compared, ranked and extended. The extension gives the opportunity to take a tapered average radius of the waveguide antenna into account. The comparison and the extension of the fast field calculation methods for component synthesis opens the possibility to reduce diffraction and stray radiation of reliable and powerful millimeter wave sources.
Feasibility And Operational Limits For A 236 Ghz Hollow Cavity Gyrotron For Demo
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Author : Kalaria, Parth Chandulal
language : en
Publisher: KIT Scientific Publishing
Release Date : 2017-11-08
Feasibility And Operational Limits For A 236 Ghz Hollow Cavity Gyrotron For Demo written by Kalaria, Parth Chandulal and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-11-08 with Technology (General) categories.
The DEMOnstration fusion power plant (DEMO) will be the first fusion reactor, which is intended to generate net electrical power. For successful operation of DEMO, high-power gyrotrons with operating frequencies up to 240 GHz are required for plasma heating and stabilization. In this work, a systematic feasibility study and tolerance analysis are performed for the conventional-type hollow-cavity DEMO gyrotrons. The various approaches are also suggested to identify its operational limits.
Investigations Of After Cavity Interaction In Gyrotrons Including The Effect Of Non Uniform Magnetic Field
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Author : Roy Choudhury, Amitavo
language : en
Publisher: KIT Scientific Publishing
Release Date : 2014-02-05
Investigations Of After Cavity Interaction In Gyrotrons Including The Effect Of Non Uniform Magnetic Field written by Roy Choudhury, Amitavo and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-02-05 with Technology & Engineering categories.
Dynamic after-cavity interaction (ACI) in megawatt-class gyrotrons is investigated that could lead to lower output mode purity and increased level of internal stray radiation. The self-consistent KIT-IHM multi-mode-code SELFT has been modified to extend the simulation domain into the radius up-taper section of the gyrotron cavity where the probability of ACI exists. Studies on four different gyrotron configurations confirm that undesired interactions in the up-taper region can result in additional parasitic oscillations with relative power in the 1%-range.