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Optical Turbulence
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Book Synopsis Imaging Through Turbulence by : Michael C. Roggemann
Download or read book Imaging Through Turbulence written by Michael C. Roggemann and published by CRC Press. This book was released on 2018-02-06 with total page 389 pages. Available in PDF, EPUB and Kindle. Book excerpt: Learn how to overcome resolution limitations caused by atmospheric turbulence in Imaging Through Turbulence. This hands-on book thoroughly discusses the nature of turbulence effects on optical imaging systems, techniques used to overcome these effects, performance analysis methods, and representative examples of performance. Neatly pulling together widely scattered material, it covers Fourier and statistical optics, turbulence effects on imaging systems, simulation of turbulence effects and correction techniques, speckle imaging, adaptive optics, and hybrid imaging. Imaging Through Turbulence is written in tutorial style, logically guiding you through these essential topics. It helps you bring down to earth the complexities of coping with turbulence.
Author :Larry C. Andrews Publisher :SPIE-International Society for Optical Engineering ISBN 13 : Total Pages :820 pages Book Rating :4.3/5 (91 download)
Book Synopsis Laser Beam Propagation Through Random Media by : Larry C. Andrews
Download or read book Laser Beam Propagation Through Random Media written by Larry C. Andrews and published by SPIE-International Society for Optical Engineering. This book was released on 2005 with total page 820 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Optical Turbulence by : Elena Masciadri
Download or read book Optical Turbulence written by Elena Masciadri and published by World Scientific. This book was released on 2009 with total page 415 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book collects most of the talks and poster presentations presented at the "Optical Turbulence ? Astronomy meets Meteorology" international conference held on 15?18 September, 2008 at Nymphes Bay, Alghero, Sardinia, Italy. The meeting aimed to deal with one of the major causes of wavefront perturbations limiting the astronomical high-angular-resolution observations from the ground. The uniqueness of this meeting has been the effort to attack this topic in a synergic and multidisciplinary approach promoting constructive discussions between the actors of this science ? the astronomers, meteorologists, physicists of the atmosphere and the experts in adaptive optics and interferometry techniques whose main goal is to correct, in real-time, the wavefront perturbations induced by atmospheric turbulence to restore at the telescope foci the best available image quality.
Book Synopsis Optical Turbulence Forecasting by : Edmond M. Dewan
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.
Book Synopsis Lidar Measurement of Optical Turbulence by : Robert R. Beland
Download or read book Lidar Measurement of Optical Turbulence written by Robert R. Beland and published by . This book was released on 1991 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Optical Turbulence by : Elena Masciadri
Download or read book Optical Turbulence written by Elena Masciadri and published by World Scientific. This book was released on 2009-09-14 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book collects most of the talks and poster presentations presented at the "Optical Turbulence — Astronomy meets Meteorology" international conference held on 15–18 September, 2008 at Nymphes Bay, Alghero, Sardinia, Italy. The meeting aimed to deal with one of the major causes of wavefront perturbations limiting the astronomical high-angular-resolution observations from the ground. The uniqueness of this meeting has been the effort to attack this topic in a synergic and multidisciplinary approach promoting constructive discussions between the actors of this science — the astronomers, meteorologists, physicists of the atmosphere and the experts in adaptive optics and interferometry techniques whose main goal is to correct, in real-time, the wavefront perturbations induced by atmospheric turbulence to restore at the telescope foci the best available image quality. Contents: Optical Turbulence in High Angular Resolution Techniques in Astronomy (J M Beckers)Optical Turbulence Profiles at CTIO from a 12-Element Lunar Scintillometer (P Hickson et al.)High Resolution SLODAR Measurements on Mauna Kea (T Butterley et al.)How We Can Understand the Antarctic Atmospheric? (J W V Storey et al.)The Paranal Surface Layar (J Melnick et al.)Introduction to Data Assimilation in Meteorology (P Brousseau … L Auger)The Mauna Kea Weather Center: A Case for Custom Seeing Forecasts (T Cherubini et al.)Dealing with Turbulence: MCAO Experience and Beyond (R Ragazzoni et al.)Future-Look Science Operations for the LBT (R F Green)Surface Layer SLODAR (J Osborn et al.)and other papers Readership: Advanced undergraduates and graduate students, and physicists working in the field of astronomy. Keywords:Astronomy;Optical Turbulence;Atmospheric Models;GCM and Mesoscale Models;Monte Marlo Models
Book Synopsis A Nighttime Structure Model of Atmospheric Optical Turbulence, C2[n Subscript], Derived from Thermosonde and High Resolution Rawinsonde Measurements by : James H. Brown
Download or read book A Nighttime Structure Model of Atmospheric Optical Turbulence, C2[n Subscript], Derived from Thermosonde and High Resolution Rawinsonde Measurements written by James H. Brown and published by . This book was released on 1993 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sonde Experiments for Comparative Measurements of Optical Turbulence by : J. H. Brown
Download or read book Sonde Experiments for Comparative Measurements of Optical Turbulence written by J. H. Brown and published by . This book was released on 1982 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: Five different instruments were used in multiple experiments to measure atmospheric turbulence in the form of the refractive structure constant, C sub n squared. These included UHF radar, optical scintillometer, modified radiosondes, AFGL thermosondes, and aircraft micro-thermal measurements. Described here are the radiosonde and thermosonde electronics and their calibrations. The data reduction scheme is described and a brief program description is given. Although the different instruments gave measurements somewhat separated in space and time, first results show good agreement between the radar, scintillometer, and thermosonde measurements.
Book Synopsis A Model for C2n (optical Turbulence) Profiles Using Radiosonde Data by : Edmond M. Dewan
Download or read book A Model for C2n (optical Turbulence) Profiles Using Radiosonde Data written by Edmond M. Dewan and published by . This book was released on 1993 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Numerical Simulation of Optical Wave Propagation with Examples in MATLAB by : Jason Daniel Schmidt
Download or read book Numerical Simulation of Optical Wave Propagation with Examples in MATLAB written by Jason Daniel Schmidt and published by Society of Photo Optical. This book was released on 2010 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: Numerical Simulation of Optical Wave Propagation is solely dedicated to wave-optics simulations. The book discusses digital Fourier transforms (FT), FT-based operations, multiple methods of wave-optics simulations, sampling requirements, and simulations in atmospheric turbulence.
Book Synopsis Applied Aspects of Optical Communication and LIDAR by : Nathan Blaunstein
Download or read book Applied Aspects of Optical Communication and LIDAR written by Nathan Blaunstein and published by CRC Press. This book was released on 2009-12-28 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: Exploring the practical aspects of atmospheric optical communication and light detection and ranging (LIDAR), Applied Aspects of Optical Communication and LIDAR details the role of atmospheric structures in propagation phenomena that influence the transmission of optical signals through perturbed atmospheric communication channels. It examines numerous situations in over-the-terrain atmospheric communication channels, including the effects of natural phenomena and the corresponding features (turbulences and hydrometeors) on optical ray propagation. Bridging the gap between the parameters of optical communication links and signal information data streams, this concise reference addresses line-of-sight (LOS) as well as obstructive non-line-of-sight (NLOS) propagation conditions. It also: Details the main characteristics of optical communication channels Introduces the quasi-regular gaseous atmosphere Describes numerous situations in the atmospheric communication channel Explains the main characteristics of optical communication channels Complete with parameters for information data streams, the text also provides time-saving suggestions for determining which optical devices will work best for minimizing the deleterious effects of natural atmospheric phenomena. Whether you’re a researcher, an engineer, or student—this book provides you with the practical understanding required to use LIDAR to investigate all forms of atmospheric phenomena and to learn how to accurately predict primary parameters of atmospheric optical channels.
Book Synopsis Adaptive Optics for Astronomical Telescopes by : John W. Hardy
Download or read book Adaptive Optics for Astronomical Telescopes written by John W. Hardy and published by Oxford Optical and Imaging Sci. This book was released on 1998 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book by one of the leaders in adaptive optics covers the fundamental theory and then describes in detail how this technology can be applied to large ground-based telescopes to compensate for the effects of atmospheric turbulence. It includes information on basic adaptive optics components and technology, and has chapters devoted to atmospheric turbulence, optical image structure, laser beacons, and overall system design. The chapter on system design is particularly detailed and includes performance estimation and optimization. Combining a clear discussion of physical principles with numerous real-world examples, this book will be a valuable resource for all graduate students and researchers in astronomy and optics.
Book Synopsis Interstellar Turbulence by : José Franco
Download or read book Interstellar Turbulence written by José Franco and published by Cambridge University Press. This book was released on 1999-05-28 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: This timely volume presents a series of review articles covering every aspect of interstellar turbulence--from accretion disks, molecular clouds, atomic and ionized media, through to spiral galaxies - based on a major international conference held in Mexico City.With advances in observational techniques and the development of more efficient computer codes and faster computers, research in this area has made spectacular progress in recent years. This book provides a comprehensive overview of the most important developments in observing and modelling turbulent flows in the cosmos. It provides graduate student and researchers with a state-of-the-art summary of observational, theoretical and computational research in interstellar turbulence.
Book Synopsis Remote Sensing of Turbulence by : Victor Raizer
Download or read book Remote Sensing of Turbulence written by Victor Raizer and published by CRC Press. This book was released on 2021-10-03 with total page 273 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers a unique multidisciplinary integration of the physics of turbulence and remote sensing technology. Remote Sensing of Turbulence provides a new vision on the research of turbulence and summarizes the current and future challenges of monitoring turbulence remotely. The book emphasizes sophisticated geophysical applications, detection, and recognition of complex turbulent flows in oceans and the atmosphere. Through several techniques based on microwave and optical/IR observations, the text explores the technological capabilities and tools for the detection of turbulence, their signatures, and variability. FEATURES Covers the fundamental aspects of turbulence problems with a broad geophysical scope for a wide audience of readers Provides a complete description of remote-sensing capabilities for observing turbulence in the earth’s environment Establishes the state-of-the-art remote-sensing techniques and methods of data analysis for turbulence detection Investigates and evaluates turbulence detection signatures, their properties, and variability Provides cutting-edge remote-sensing applications for space-based monitoring and forecasts of turbulence in oceans and the atmosphere This book is a great resource for applied physicists, the professional remote sensing community, ecologists, geophysicists, and earth scientists.
Book Synopsis Laser Beam Scintillation with Applications by : Larry C. Andrews
Download or read book Laser Beam Scintillation with Applications written by Larry C. Andrews and published by SPIE Press. This book was released on 2001 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Turbulence and Related Phenomena by : Regis Barille
Download or read book Turbulence and Related Phenomena written by Regis Barille and published by BoD – Books on Demand. This book was released on 2019-04-17 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents some of the most important results concerning atmospheric turbulence and some of its effects on the propagation of a light beam. Atmospheric turbulence causes fluctuations in both the intensity and the phase of the beam and still must be understood and modelized for applications in photonics or environmental metrology. The future of free-space optical (FSO) communication through atmospheric turbulence channels is especially of interest and research on high bit-rate communications attracts more and more interest as an alternative to radio links because of bandwidth, spectrum, and security issues. Some of the current solutions for improving FSO communications are presented in this book.
Book Synopsis Advances In Wave Turbulence by : Victor Shrira
Download or read book Advances In Wave Turbulence written by Victor Shrira and published by World Scientific. This book was released on 2013-05-10 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wave or weak turbulence is a branch of science concerned with the evolution of random wave fields of all kinds and on all scales, from waves in galaxies to capillary waves on water surface, from waves in nonlinear optics to quantum fluids. In spite of the enormous diversity of wave fields in nature, there is a common conceptual and mathematical core which allows to describe the processes of random wave interactions within the same conceptual paradigm, and in the same language. The development of this core and its links with the applications is the essence of wave turbulence science (WT) which is an established integral part of nonlinear science.The book comprising seven reviews aims at discussing new challenges in WT and perspectives of its development. A special emphasis is made upon the links between the theory and experiment. Each of the reviews is devoted to a particular field of application (there is no overlap), or a novel approach or idea. The reviews cover a variety of applications of WT, including water waves, optical fibers, WT experiments on a metal plate and observations of astrophysical WT.
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