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Author : Hugo Weichel
Publisher : SPIE Press
Page : 114 pages
File Size : 46,5 Mb
Release : 1990
Category : Science
ISBN : 081940487X
Author : J. W. Strohbehn
Publisher : Springer
Page : 328 pages
File Size : 50,5 Mb
Release : 2014-03-12
Category : Technology & Engineering
ISBN : 3662311615
With contributions by numerous experts
Author : Nathan Blaunstein,Natan Kopeika
Publisher : CRC Press
Page : 334 pages
File Size : 41,8 Mb
Release : 2017-09-22
Category : Computers
ISBN : 9781351402682
The book introduces optical wave propagation in the irregular turbulent atmosphere and the relations to laser beam and LIDAR applications for both optical communication and imaging. It examines atmosphere fundamentals, structure, and content. It explains specific situations occurring in the irregular atmosphere and for specific natural phenomena that affect optical ray and laser beam propagation. It emphasizes how to use LIDAR to investigate atmospheric phenomena and predict primary parameters of the irregular turbulent atmosphere and suggests what kinds of optical devices to operate in different atmospheric situations to minimize the deleterious effects of natural atmospheric phenomena.
Author : V. E. Zuev
Publisher : Springer
Page : 516 pages
File Size : 53,8 Mb
Release : 2012-11-16
Category : Technology & Engineering
ISBN : 146848883X
Although scarcely 20 years have passed since the creation of the first laser, laser engineering has enjoyed a variety of applications in science and in practice. Among these applications, a special pI ace is held by those related to the propagation of laser radiation in the atmosphere. Some, such as laser communication and information-transmission systems, locating and teleme tering systems, and mapping and navigation systems, require access to quantitative data on the effects of the atmosphere on the parameters of the laser beam serving as the carrier of useful information, since the efficacy of any such system depends significantly on the influence of the atmosphere. Another set of laser applications associated with the propagation of coherent radiation in the atmosphere requires the solution of both direct and inverse problems related to this complex subject. The kind of applica tion in question is the use of lasers for long-range monitoring of various physical parameters of the atmosphere-a new and highly promising direc tion in science and engineering.
Author : J. Carl Leader
Publisher : Unknown
Page : 208 pages
File Size : 51,5 Mb
Release : 1983
Category : Atmosphere
ISBN : UCSD:31822010015279
Author : Larry C. Andrews,Ronald L. Phillips
Publisher : SPIE-International Society for Optical Engineering
Page : 820 pages
File Size : 50,5 Mb
Release : 2005
Category : Science
ISBN : UOM:39015062444826
Since publication of the first edition of this text in 1998, there have been several new, important developments in the theory of beam wave propagation through a random medium, which have been incorporated into this second edition. Also new to this edition are models for the scintillation index under moderate-to-strong irradiance fluctuations; models for aperture averaging based on ABCD ray matrices; beam wander and its effects on scintillation; theory of partial coherence of the source; models of rough targets for ladar applications; phase fluctuations; analysis of other beam shapes; plus expanded analysis of free-space optical communication systems and imaging systems.
Author : Vladimir Evseevich Zuev
Publisher : Unknown
Page : 528 pages
File Size : 40,7 Mb
Release : 1982
Category : Atmosphere
ISBN : UCAL:B4112783
Author : Peter B. Ulrich
Publisher : SPIE-International Society for Optical Engineering
Page : 444 pages
File Size : 54,9 Mb
Release : 1990
Category : Technology & Engineering
ISBN : UOM:39015017705321
Author : V. E. Zuev
Publisher : Springer
Page : 0 pages
File Size : 41,9 Mb
Release : 2014-09-12
Category : Technology & Engineering
ISBN : 1468488813
Although scarcely 20 years have passed since the creation of the first laser, laser engineering has enjoyed a variety of applications in science and in practice. Among these applications, a special pI ace is held by those related to the propagation of laser radiation in the atmosphere. Some, such as laser communication and information-transmission systems, locating and teleme tering systems, and mapping and navigation systems, require access to quantitative data on the effects of the atmosphere on the parameters of the laser beam serving as the carrier of useful information, since the efficacy of any such system depends significantly on the influence of the atmosphere. Another set of laser applications associated with the propagation of coherent radiation in the atmosphere requires the solution of both direct and inverse problems related to this complex subject. The kind of applica tion in question is the use of lasers for long-range monitoring of various physical parameters of the atmosphere-a new and highly promising direc tion in science and engineering.
Author : Robert Michael Manning
Publisher : Unknown
Page : 27 pages
File Size : 44,5 Mb
Release : 2012
Category : Electronic
ISBN : OCLC:820003760
Author : Larry C. Andrews,Ronald L. Phillips,Cynthia Y. Hopen
Publisher : SPIE Press
Page : 408 pages
File Size : 53,8 Mb
Release : 2001
Category : Science
ISBN : 0819441031
Renewed interest in laser communication systems has sparked development of useful new analytic models. This book discusses optical scintillation and its impact on system performance in free-space optical communication and laser radar applications, with a detailed look at propagation phenomena and the role of scintillation on system behavior. Intended for practicing engineers, scientists, and students.
Author : Peter B. Ulrich,Leroy E. Wilson
Publisher : Unknown
Page : 232 pages
File Size : 42,8 Mb
Release : 1991
Category : Technology & Engineering
ISBN : UOM:39015022037843
Author : R. F. Lutomirski
Publisher : Unknown
Page : 24 pages
File Size : 51,9 Mb
Release : 1971
Category : Atmospheric turbulence
ISBN : LCCN:72188756
A method is given for calculating the performance of a laser system with beam truncated by focusing optics in a turbulent atmosphere. Previous analyses have been limited to vacuum calculations with untruncated beams, and even then have not conserved the irradiance. This approach separates the geometry of the problem (the complex aperture distribution) from the beam propagation. (Author).
Author : Ronald Louis Fante
Publisher : Unknown
Page : 42 pages
File Size : 42,9 Mb
Release : 1974
Category : Atmospheric turbulence
ISBN : UOM:39015095306448
The mutual coherence function of a laser beam propagating in turbulence with a modified von Karman spectrum for the index of refraction fluctuations, including a parametric study of the effect on the MCF of varying beam size, focal length, and the properties of the turbulence was computed. The results are valid over all propagation distances, unlike calculations employing the method of smooth perturbations. Also studied was the effect of a constant wind on the frequency spectrum of signal. It was found that over most practical path lengths the spectral width is delta omega = 4.1V ((k sub o)sup 6/5)(z sup 3/5)((C sub n, sub 2)sup 3/5), where V is the wind speed, k sub o is the signal wavenumber, C sub n sup 2 is the strength of turbulence, and z is the path length in the turbulence. (Modified author abstract).
Author : D. H. Sliney,J. Mellerio
Publisher : Springer Science & Business Media
Page : 1042 pages
File Size : 49,9 Mb
Release : 2013-11-11
Category : Medical
ISBN : 9781489935960
Nearly a decade aga a general review article on the evaluation of optical radia tion hazards was published in Applied Optics (Sliney and Freasier, 1973). This arti cle received many favorable comments but also prompted many inquiries regarding specific optical hazard problems. From this it became evident that a monograph rather than a supplemental and expanded article was needed to fill this literature gap relating to laser and optical radiation hazards. The present work is designed to fill that gap, and is structured to permit either classroom or self-study use. Much of the material in this book was developed in eonnection with short courses on laser safety and radiometry in which we have participated, as weIl as from our previous articles. In particular, the sequenee of chapters is based upon the experiences which we have had in lecturing in courses with different schedules. One of the great difficulties in developing a text of this nature is that a broad, multidisciplinary background must be included in order that the reader can comprehend all of the subjeet matter readily. For this reason, the material presented on anatomy and physiology is orien ted toward the engineer or physical scientist, while the review material on basic optical physics is intended more for the physician or life scientist.