Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Beam size measurement with near-field optical diffraction radiation (ODR) has been carried out successfully at CEBAF. The ODR station is installed on the Hall-A beam line after eight bending magnets. The ODR images were affected by an unexpected radiation. Some calculations for analyzing the source of the radiation will be presented. Furthermore, two schemes will be proposed to alleviate the contamination.
Author: Alexander Potylitsyn
Publisher: Springer Science & Business Media
ISBN: 3642125123
Category : Science
Languages : en
Pages : 285
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Book Description
This book deals with diffraction radiation, which implies the boundary problems of electromagnetic radiation theory. Diffraction radiation is generated when a charged particle moves near a target edge at a distance ( – Lorentz factor, – wave length). Diffraction radiation of non-relativistic particles is widely used to design intense emitters in the cm wavelength range. Diffraction radiation from relativistic charged particles is important for noninvasive beam diagnostics and design of free electron lasers based on Smith-Purcell radiation which is diffraction radiation from periodic structures. Different analytical models of diffraction radiation and results of recent experimental studies are presented in this book. The book may also serve as guide to classical electrodynamics applications in beam physics and electrodynamics. It can be of great use for young researchers to develop skills and for experienced scientists to obtain new results.
Author: Constantine A. Balanis
Publisher:
ISBN:
Category : Diffraction
Languages : en
Pages : 84
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Book Description
A hybrid solution employing wedge diffraction and creeping wave theories is used to compute the radiation patterns of axial and circumferential slots in the principal planes (equatorial and elevation) on conducting cylinders of finite and infinite lengths. The slots are excited by parallel-plate waveguides operating in the TEM and TE10 modes. For the equatorial-plane pattern, the total field in the lit region is obtained by the superposition of two fields, that is, the wedge-diffracted and the creeping-wave fields. The wedge-diffracted field is obtained by approximating the parallel-plate --cylinder geometry with two wedges, each formed by a wall of the waveguide and a tangent plane to the cylinder surface at the edge point. The creeping-wave contribution is obtained by the use of diffraction and propagation coefficients of waves traveling around conducting curved surfaces. The total field in the shadow region is obtained solely from the creeping-wave contribution. For the elevation-plane pattern, wedge diffraction techniques for the entire pattern are employed. The main advantages of the present technique are that it can be applied to geometries where modal solutions are not possible, in numerical ranges where the convergence properties of modal expansions are relatively poor, in parametric design problems since the contribution from each field is separated, and in the analysis of antenna with finite physical sizes.
Author: Salvatore Solimeno
Publisher: Elsevier
ISBN: 0323144195
Category : Science
Languages : en
Pages : 635
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Book Description
Guiding, Diffraction, and Confinement of Optical Radiation presents a wide array of research studies on optics and electromagnetism. This book is organized into eight chapters that cover the problems related to optical radiation propagation and confinement. Chapter I examines the general features of electromagnetic propagation and introduces the basic concepts pertaining to the description of the electromagnetic field and its interaction with matter. Chapter II is devoted to asymptotic methods of solution of the wave equation, with particular emphasis on the asymptotic representation of the field in the form of the Luneburg-Kline series. This chapter also looks into a number of optical systems characterized by different refractive index distributions relying on the eikonal equation. Chapter III deals with stratified media, such as the multilayered thin films, metallic and dielectric reflectors, and interference filters. Chapters IV and V discuss the problem of propagation and diffraction integrals. Chapter VI describes the scattering from obstacles and the metallic and dielectric gratings. Chapters VII considers the passive and active resonators employed in connection with laser sources for producing a confinement near the axis of an optical cavity and Fabry-Perot interferometers and mainly relies on the use of diffraction theory. Chapter VIII presents the analytic approach to the study of transverse confinement near the axis of a dielectric waveguide hinges on the introduction of modal solutions of the wave equation. This book will be of value to quantum electronics engineers, physicists, researchers, and optics and electromagnetism graduate students.
Author: Alexander Potylitsyn
Publisher: Springer
ISBN: 9783642125140
Category : Science
Languages : en
Pages : 278
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Book Description
This book deals with diffraction radiation, which implies the boundary problems of electromagnetic radiation theory. Diffraction radiation is generated when a charged particle moves near a target edge at a distance ( – Lorentz factor, – wave length). Diffraction radiation of non-relativistic particles is widely used to design intense emitters in the cm wavelength range. Diffraction radiation from relativistic charged particles is important for noninvasive beam diagnostics and design of free electron lasers based on Smith-Purcell radiation which is diffraction radiation from periodic structures. Different analytical models of diffraction radiation and results of recent experimental studies are presented in this book. The book may also serve as guide to classical electrodynamics applications in beam physics and electrodynamics. It can be of great use for young researchers to develop skills and for experienced scientists to obtain new results.
Author: P. J. van Kalken
Publisher:
ISBN: 9789061440574
Category : Diffraction
Languages : en
Pages : 96
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Book Description
Author: Salvatore Solimeno
Publisher:
ISBN: 9780126543414
Category : Technology & Engineering
Languages : en
Pages : 620
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Book Description
Author: H. Saisho
Publisher: Elsevier
ISBN: 0080527418
Category : Science
Languages : en
Pages : 511
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Book Description
Synchroton radiation (SR) is utilized in most scientific fields. This book will therefore be useful not only for researchers engaged in analytical chemistry, and those studying the basic fields such as physics, chemistry, biology, as well as earth science, medicine, and life science but also for those engaged in research for elucidating structure of material and its function in the application fields including applied physics, semiconductor engineering, and metal engineering. The book has a highly interdisciplinary character. The outstanding characteristics of SR have also contributed to the rapid development of new fields and applications in analytical chemistry.Features of this book:• Explains the basics of SR• Facilities and instrumentation are covered to facilitate the planning of experiments using SR.• Aspects for the future development of SR are included together with an introduction to the latest techniques which are expected to find increasing use in the coming years.This book should stimulate students specializing in analytical chemistry and materials science to have an interest in SR. In addition, it will provide scientists who are beginning analytical chemistry research using SR with instructive and illustrative descriptions. The book can also be used as an explanatory text for advanced research on the application of SR.
Author: B. Crosignani
Publisher:
ISBN:
Category :
Languages : it
Pages : 0
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 702
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