Mutual Coherence Function And Frequency Spectrum Of A Laser Beam Propagating Through Atmospheric Turbulence

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Mutual Coherence Function and Frequency Spectrum of a Laser Beam Propagating Through Atmospheric Turbulence

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Author : Ronald Louis Fante
Publisher :
ISBN 13 :
Total Pages : 42 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Mutual Coherence Function and Frequency Spectrum of a Laser Beam Propagating Through Atmospheric Turbulence by : Ronald Louis Fante

Download or read book Mutual Coherence Function and Frequency Spectrum of a Laser Beam Propagating Through Atmospheric Turbulence written by Ronald Louis Fante and published by . This book was released on 1974 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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).

The Infrared Handbook

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Author : Environmental Research Institute of Michigan. Infrared Information and Analysis Center
Publisher :
ISBN 13 :
Total Pages : 1740 pages
Book Rating : 4.3/5 (121 download)

Book Synopsis The Infrared Handbook by : Environmental Research Institute of Michigan. Infrared Information and Analysis Center

Download or read book The Infrared Handbook written by Environmental Research Institute of Michigan. Infrared Information and Analysis Center and published by . This book was released on 1978 with total page 1740 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Bibliography of Microwave Optical Technology

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Author : A. F. Harvey
Publisher : Springer Science & Business Media
ISBN 13 : 1468462164
Total Pages : 748 pages
Book Rating : 4.4/5 (684 download)

Book Synopsis Bibliography of Microwave Optical Technology by : A. F. Harvey

Download or read book Bibliography of Microwave Optical Technology written by A. F. Harvey and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 748 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although microwaves and coherent optics, being two of the largest and most useful branches of electrical engineering to emerge technologically, are usually considered as distinct subjects, many of the underlying fundamental principles, scientific achievements, and practical applications have common features. Following the evolvment of the initial principles and techniques during the closing decade of the last century, microwave engineering has long matured to a stage of ready availability of components, automation and accuracy of measurement, economical manufacturing methods, and application of sophisticated systems. Further, this development of electromagnetic phenomena having spatial and temporal coherence has, based on several centuries of study and practice of noncoherent light, in the last two decades reached the optical region. Hence, it is now practicable to consider a comprehensive treatment of these two fields, division being made by subject matter rather than by the artificial distinctions of frequency and/or wavelength ranges. However, a full text on the combined subjects would be very large and unwieldy and, thus, this Bibliography is presented in the hope that it will prove useful as a compact reference source to a large body of workers and, by putting forward the latest scientific and technical advances, stimulate a multi-disciplinary approach. The material of the book commences with the fundamentals of radiation and matter, progressing through components and devices, amplification and generation, transmission, reception and processing of information, and methods of measurement to conclude with a wide range of applications.

Scientific and Technical Aerospace Reports

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Author :
Publisher :
ISBN 13 :
Total Pages : 602 pages
Book Rating : 4.:/5 (3 download)

Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 602 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.

Laser Beam Propagation Through Random Media

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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.

Intensity, Coherence, and Frequency Spectrum of a Focussed Beam in a Random Medium

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Author : Ronald Louis Fante
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Intensity, Coherence, and Frequency Spectrum of a Focussed Beam in a Random Medium by : Ronald Louis Fante

Download or read book Intensity, Coherence, and Frequency Spectrum of a Focussed Beam in a Random Medium written by Ronald Louis Fante and published by . This book was released on 1974 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Numerical results have been obtained for the effect of the strength of turbulence on the intensity, mutual coherence function, and frequency spectrum of a focussed beam propagating in a random medium having a von Karman spectrum for the index of refraction fluctuations. The author has presented conditions for when the turbulence affects the nature of the beam and has demonstrated the validity of these conditions by comparison with the numerical results. (Author).

Acoustics in Moving Inhomogeneous Media

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Author : Vladimir E. Ostashev
Publisher : CRC Press
ISBN 13 : 1482266652
Total Pages : 537 pages
Book Rating : 4.4/5 (822 download)

Book Synopsis Acoustics in Moving Inhomogeneous Media by : Vladimir E. Ostashev

Download or read book Acoustics in Moving Inhomogeneous Media written by Vladimir E. Ostashev and published by CRC Press. This book was released on 2015-09-18 with total page 537 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduces Systematic Formulations for Use in Acoustic ApplicationsAcoustics in Moving Inhomogeneous Media, Second Edition offers a uniquely complete and rigorous study of sound propagation and scattering in moving media with deterministic and random inhomogeneities. This study is of great importance in many fields including atmospheric and oceanic

Partially Coherent Optical Transmission Theory in Optical Wireless Communication

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Author : Xizheng Ke
Publisher : Springer Nature
ISBN 13 : 9819771587
Total Pages : 296 pages
Book Rating : 4.8/5 (197 download)

Book Synopsis Partially Coherent Optical Transmission Theory in Optical Wireless Communication by : Xizheng Ke

Download or read book Partially Coherent Optical Transmission Theory in Optical Wireless Communication written by Xizheng Ke and published by Springer Nature. This book was released on with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Wave Propagation and Scattering in Random Media

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Author : Akira Ishimaru
Publisher : Academic Press
ISBN 13 : 1483273156
Total Pages : 343 pages
Book Rating : 4.4/5 (832 download)

Book Synopsis Wave Propagation and Scattering in Random Media by : Akira Ishimaru

Download or read book Wave Propagation and Scattering in Random Media written by Akira Ishimaru and published by Academic Press. This book was released on 2013-10-22 with total page 343 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wave Propagation and Scattering in Random Media, Volume 2, presents the fundamental formulations of wave propagation and scattering in random media in a unified and systematic manner. The topics covered in this book may be grouped into three categories: waves in random scatterers, waves in random continua, and rough surface scattering. Random scatterers are random distributions of many particles. Examples are rain, fog, smog, hail, ocean particles, red blood cells, polymers, and other particles in a state of Brownian motion. Random continua are the media whose characteristics vary randomly and continuously in time and space. Examples are clear air turbulence, jet engine exhaust, tropospheric and ionospheric turbulence, ocean turbulence, and biological media such as tissue and muscle. Rough surface examples are the ocean surface, planetary surfaces, interfaces between different biological media, and the surface roughness of an optical fiber. This book is intended for engineers and scientists interested in optical, acoustic, and microwave propagation and scattering in atmospheres, oceans, and biological media, and particularly for those involved in communication through such media and remote sensing of the characteristics of these media.

Journal of Current Laser Abstracts

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Author :
Publisher :
ISBN 13 :
Total Pages : 810 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Journal of Current Laser Abstracts by :

Download or read book Journal of Current Laser Abstracts written by and published by . This book was released on 1982 with total page 810 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Journal of the Optical Society of America

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Author : Optical Society of America
Publisher :
ISBN 13 :
Total Pages : 438 pages
Book Rating : 4.:/5 (318 download)

Book Synopsis Journal of the Optical Society of America by : Optical Society of America

Download or read book Journal of the Optical Society of America written by Optical Society of America and published by . This book was released on 1981 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Aero- and Hydro-Acoustics

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Author : Genevieve Comte-Bellot
Publisher : Springer Science & Business Media
ISBN 13 : 3642827586
Total Pages : 534 pages
Book Rating : 4.6/5 (428 download)

Book Synopsis Aero- and Hydro-Acoustics by : Genevieve Comte-Bellot

Download or read book Aero- and Hydro-Acoustics written by Genevieve Comte-Bellot and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 534 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Symposium "Aero-and Hydroacoustics" was held at the Ecole Centrale de Lyon, France, on 3rd - 6 July 1985, at the initiative of the International Union of Theoretical and Applied Mechanics (IUTAM) . The research topics discussed concerned the acoustics of unstable and turbulent flows and the noise generated by movable surfaces. Other subjects of interest were thermoacoustics, diffraction, and acoustic propagation through turbulence. Applications of numerical and experimental techniques to source diagnostics were discussed, as was active noise control. In Hydroacoustics the emphasis was on noise due to flow induced vibrations. There were 8 general invited lecturers and 43 other contributors, with 150 participants form 14 countries. Sufficient time was provided for discussions and social gatherings. For example, there was the opening of the high speed anechoic wind tunnel of the Centre Acoustique, and a welcome address given by the Mayor of Lyon in his historic City Hall. The organizing Committee of the Symposium wish to express their thanks to la Direction des Recherches Etudes et Techniques du Ministere des Armees (DRET), Ie Centre National de la Recherche Scientifique (CNRS), Ie Conseil General du Rhone, l'Association Universitaire de Mecanique (AUM), Ie Ministere de l'Environnement, for financial support. Le Groupement des Acousticiens de langue frangaise (GALF) helped advertise the meeting. The organizers are also indebted to the International Union of Theoretical and Applied Mechanics for providing travel subsidies to young scientists

Atmospheric Effects on CO2 Laser Propagation

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Author : S. S. R. Murty
Publisher :
ISBN 13 :
Total Pages : 116 pages
Book Rating : 4.:/5 (31 download)

Book Synopsis Atmospheric Effects on CO2 Laser Propagation by : S. S. R. Murty

Download or read book Atmospheric Effects on CO2 Laser Propagation written by S. S. R. Murty and published by . This book was released on 1978 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Handbook of Optical Wireless Communication

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Author : Xizheng Ke
Publisher : Springer Nature
ISBN 13 : 9819715229
Total Pages : 1881 pages
Book Rating : 4.8/5 (197 download)

Book Synopsis Handbook of Optical Wireless Communication by : Xizheng Ke

Download or read book Handbook of Optical Wireless Communication written by Xizheng Ke and published by Springer Nature. This book was released on with total page 1881 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Report on Research at AFCRL.

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Author : Air Force Cambridge Research Laboratories (U.S.)
Publisher :
ISBN 13 :
Total Pages : 336 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Report on Research at AFCRL. by : Air Force Cambridge Research Laboratories (U.S.)

Download or read book Report on Research at AFCRL. written by Air Force Cambridge Research Laboratories (U.S.) and published by . This book was released on 1972 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Government Reports Announcements

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Author :
Publisher :
ISBN 13 :
Total Pages : 1000 pages
Book Rating : 4.F/5 ( download)

Book Synopsis Government Reports Announcements by :

Download or read book Government Reports Announcements written by and published by . This book was released on 1974 with total page 1000 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Atmospheric Propagation and Remote Sensing

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Author :
Publisher :
ISBN 13 :
Total Pages : 952 pages
Book Rating : 4.F/5 ( download)

Book Synopsis Atmospheric Propagation and Remote Sensing by :

Download or read book Atmospheric Propagation and Remote Sensing written by and published by . This book was released on 1994 with total page 952 pages. Available in PDF, EPUB and Kindle. Book excerpt: