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Author : Thomas W. Tuer
Publisher :
ISBN 13 :
Total Pages : 186 pages
Book Rating : 4.:/5 (64 download)
Download or read book Atmospheric Effects on Low-power Beam Propagation written by Thomas W. Tuer and published by . This book was released on 1980 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : T. W. Tuer
Publisher :
ISBN 13 :
Total Pages : 133 pages
Book Rating : 4.:/5 (227 download)
Download or read book Atmospheric Effects on Low-Power Laser Beam Propagation written by T. W. Tuer and published by . This book was released on 1980 with total page 133 pages. Available in PDF, EPUB and Kindle. Book excerpt: A detailed discussion is presented of various theories, experiments, and models pertinent to atmospheric effects on the transmission of low-power laser radiation. The effects of molecules, aerosols, and turbulence and their levels in the atmosphere are considered. Specific conclusions and recommendations are given with regard to the state of knowledge in this field, and to models that can be used to predict atmospheric effects that are relevant to comprehensive personnel safety standards.
Author : Thomas W. Tuer
Publisher :
ISBN 13 :
Total Pages : 146 pages
Book Rating : 4.:/5 (477 download)
Download or read book Atmospheric Effects Upon Laser Beam Propagation: An Annotated Bibliography written by Thomas W. Tuer and published by . This book was released on 1979 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results of a literature search on the effects of normally occuring atmospheric molecules, aerosols and turbulence on the propagation of low power lasers is presented in a thoroughly cross referenced bibliography. Included are references to theoretical, experimental and modeling studies that could be relevant to developing models (and their required data bases) for the purpose of establishing comprehensive safety standards for laser illumination of the human eye. Two separate computerized literature searches (with extensive manual editing) were utilized, as well as other sources, to locate these references. Current and planned efforts by several key researchers are also described.
Author : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Electromagnetic Wave Propagation Panel
Publisher :
ISBN 13 :
Total Pages : 656 pages
Book Rating : 4.3/5 (91 download)
Download or read book Optical Propagation in the Atmosphere written by North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Electromagnetic Wave Propagation Panel and published by . This book was released on 1976 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hugo Weichel
Publisher : SPIE Press
ISBN 13 : 9780819404879
Total Pages : 114 pages
Book Rating : 4.4/5 (48 download)
Download or read book Laser Beam Propagation in the Atmosphere written by Hugo Weichel and published by SPIE Press. This book was released on 1990 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Paul Jaffe
Publisher : World Scientific
ISBN 13 : 9811243123
Total Pages : 424 pages
Book Rating : 4.8/5 (112 download)
Download or read book Power Beaming: History, Theory, And Practice written by Paul Jaffe and published by World Scientific. This book was released on 2024-06-04 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: Power beaming is the ability to move energy without moving or employing mass between an energy input and energy output. It is an emerging technology that could reshape how we generate and distribute energy and how our devices and autonomous systems are powered.This comprehensive compendium provides the foundation needed for researchers, technology developers, and end users to understand the promise and challenges for power beaming. By establishing a common nomenclature and conceptual approach to the analysis and assessment of power beaming systems, this unique reference text provides a true status of advancements in the field, and lays the groundwork for fruitful future research and applications.
Author :
Publisher :
ISBN 13 :
Total Pages : 652 pages
Book Rating : 4.:/5 (3 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author : J. W. Strohbehn
Publisher : Springer
ISBN 13 : 9783662311615
Total Pages : 328 pages
Book Rating : 4.3/5 (116 download)
Download or read book Laser Beam Propagation in the Atmosphere written by J. W. Strohbehn and published by Springer. This book was released on 2014-03-12 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: With contributions by numerous experts
Author : Howard W. Bloomberg
Publisher :
ISBN 13 :
Total Pages : 43 pages
Book Rating : 4.:/5 (227 download)
Download or read book Effects of Atmospheric Inhomogeneity on Long Range Ion Beam Propagation written by Howard W. Bloomberg and published by . This book was released on 1983 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt: A procedure has been developed to determine the particle energy and current for long range, a high power flux ion beams. The smallest practical energy for a proton beam was found to be 1 GeV for beam propagation between the position of a high altitude aircraft and 100 km. This beam required a current of about 500 A to suppress extensive radial expansion. A theory of radial beam expansion over decades of inhomogeneity is proposed. It defines a scattering quantity W in the high density segment of the beam trajectory. W is related to the relative amount of radial spread due to scattering occurring within a betatron wavelength. The properties of the charge neutralization channel required for effective beam propagation are considered. It is shown that neutralizing electrons may respond to the bare ion beam charge differently at different locations on the trajectory. This has important implications in the creation of such channels. The effects of an imperfect neutralization channel on beam aiming is discussed.
Author :
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.:/5 (317 download)
Download or read book Low Power Ground-based Laser Illumination for Electric Propulsion Applications written by and published by . This book was released on 1994 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : P. Carini
Publisher :
ISBN 13 :
Total Pages : 27 pages
Book Rating : 4.:/5 (227 download)
Download or read book Neutral Beam Propagation Effects in the Upper Atmosphere written by P. Carini and published by . This book was released on 1984 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents a simple theoretical model of beam induced stripping of a neutral particle beam as it propagates in the upper atmosphere. A comparison of beam induced stripping with stripping induced by the atmosphere demonstrates that for 1 MeV neutral hydrogen beams propagating at 200 km altitude beam induced stripping is negligible when compared with the stripping of the neutral beam caused by the atmosphere. This model leads to two important conclusions: 1) beam effects will be important only when the neutral beam density is of the same order or larger than the atmospheric density. 2) at high launch altitudes, beam induced stripping will be the dominant energy loss mechanism for neutral beams. Keywords: Neutral beam; Stripping; Ionization; Beam induced stripping; Polarization drift; Cross section.
Author : Doris Cowan
Publisher :
ISBN 13 :
Total Pages : 105 pages
Book Rating : 4.:/5 (14 download)
Download or read book Effects of Atmospheric Turbulence on the Propagation of Flattened Gaussian Optical Beams written by Doris Cowan and published by . This book was released on 2006 with total page 105 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effective spot size of the beam, as it compares to the spot size of the lowest order Gaussian beam, is also analyzed using Carter's definition of spot size for higher order Gaussian beams.
Author : Robert A. Fisher
Publisher :
ISBN 13 :
Total Pages : 304 pages
Book Rating : 4.3/5 (91 download)
Download or read book Nonlinear Optical Beam Manipulation and High Energy Beam Propagation Through the Atmosphere written by Robert A. Fisher and published by . This book was released on 1989 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bradford R. Bean
Publisher :
ISBN 13 :
Total Pages : 456 pages
Book Rating : 4.3/5 (91 download)
Download or read book Radio Meteorology written by Bradford R. Bean and published by . This book was released on 1966 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Edmond M. Dewan
Publisher :
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.3/5 (91 download)
Download or read book Optical Turbulence Forecasting written by Edmond M. Dewan and published by . This book was released on 1980 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report is a tutorial on the effects of atmospheric turbulence upon systems which rely upon the propagation of LASER beams. In addition to providing a simplified presentation of turbulence theory and optical effects, it describes the state of the art of the new technique of radiosonde estimation of index of refraction fluctuations. Suggestions are given for future research which will help to answer current Air Force needs. The feasibility of some laser systems will depend upon the value of r0, the coherence length (which is related to “C2n” which in turn is related to the degree of turbulence). At present, the statistics of “r0” are inadequate.
Author : Henry Hidalgo
Publisher :
ISBN 13 :
Total Pages : 75 pages
Book Rating : 4.:/5 (227 download)
Download or read book Description of Atmospheric Turbulence for Linear Propagation of Laser Beams written by Henry Hidalgo and published by . This book was released on 1970 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt: The paper considers the fluid mechanical aspects and data relevant to the propagation of low power-density lasers in the atmospheric boundary layer. Its scope includes the following topics: (a) formulation of the role of the turbulent structure in determining phase and amplitude characteristics of received signals, with emphasis on single scattering situations, (b) review of available fluid mechanical data for mean and fluctuating flow properties for various atmospheric conditions, (c) identification of the atmospheric conditions that require complementary fluid mechanical measurements, and (d) problem areas that need further theoretical investigations concerning the effect of atmospheric turbulence on optical wave propagation. (Author).
Author : Vladimir Petrovich Lukin
Publisher : SPIE Press
ISBN 13 : 9780819443373
Total Pages : 222 pages
Book Rating : 4.4/5 (433 download)
Download or read book Adaptive Beaming and Imaging in the Turbulent Atmosphere written by Vladimir Petrovich Lukin and published by SPIE Press. This book was released on 2002 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: Due to the wide application of adaptive optical systems, an understanding of optical wave propagation in randomly inhomogeneous media has become essential, and several numerical models of individual AOS components and of efficient correction algorithms have been developed. This monograph contains detailed descriptions of the mathematical experiments that were designed and carried out during more than a decade's worth of research.
