High Power Laser Radiation In Atmospheric Aerosols
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High Power Laser Radiation In Atmospheric Aerosols
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Author : V.E. Zuev
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
High Power Laser Radiation In Atmospheric Aerosols written by V.E. Zuev and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Unique properties of laser radiation including its monochromatic properties, polarization, high spectral intensity, coherence, narrow beam divergence, the possibility of controlling the pulse duration and radiation spectrum and, finally, the fact that extremely high power and energy create very favorable conditions for the extensive application of lasers to communi cation systems, systems for the lidar sensing and ultra-high-precision ranging, navigation, remote monitoring of the environment, and many other systems operating in the atmosphere. The operative efficiency of the above systems depends significantly on the state of the atmosphere and the corresponding behavior of laser radia tion propagating through it. This circumstance has stimulated the studies of the above regularities during the passt 10-15 years. For the investiga tions to be carried out the scientists were forced to develop new theories and methods for studying the problem experimentally. Moreover, during such investigations some previously unknown phenomena were observed, among them the nonlinear effects accompanying high-power laser radiation propagating through the atmosphere are of paramount importance. Among the nonlinear effects caused by high-power laser radiation inter action with the atmosphere, the effects accompanying the propagation of high-power radiation through the atmospheric aerosols are of particular interest. Aerosols always occur in the atmosphere. It should be noted that the microphysical and optical characteristics of atmospheric aerosols vary widely, this fact causes a great variety in the features of their inter action with radiation.
Propagation Of High Power Femtosecond Laser Radiation Through The Atmosphere
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Author :
language : en
Publisher:
Release Date : 2004
Propagation Of High Power Femtosecond Laser Radiation Through The Atmosphere written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.
This report results from a contract tasking the Institute of Atmospheric Optics, Siberian Branch, as follows: the contractor will investigate theoretically the interaction between femtosecond propagation effects and atmospheric turbulence, supercontinuum emission (spectral broadening), nonlinear scattering by atmospheric aerosols, and theoretical upper and lower limits for nonlinear propagation effects. The specific project objectives are as follows: (1) The theoretical study of powerful femtosecond laser pulse filamentation in the turbulent atmosphere; (2) Researching the supercontinuum cone emission mechanism by numerical simulation of high-power femtosecond laser pulse propagation in the atmosphere; and (3) The theoretical and experimental study of the fundamental problems of scattering of a high-power femtosecond pulse in the atmosphere: nonstationary light scattering in gases and aerosols; nonlinear inelastic nonstationary light scattering by aerosol particles. (26 figures, 73 refs.).
Extinction And Backscatter Of Visible And Infrared Laser Radiation By Atmospheric Aerosols
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Author : David Barringer Rensch
language : en
Publisher:
Release Date : 1969
Extinction And Backscatter Of Visible And Infrared Laser Radiation By Atmospheric Aerosols written by David Barringer Rensch and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Aerosols categories.
Atmospheric Attenuation Of Laser Radiation From 0 76 To 31 25 Micrometers
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Author : R. A. McClatchey
language : en
Publisher:
Release Date : 1974
Atmospheric Attenuation Of Laser Radiation From 0 76 To 31 25 Micrometers written by R. A. McClatchey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Aerosols categories.
High resolution atmospheric transmittance curves are presented for the spectral region 320 to 13,200/cm (0.7576 to 31.25 micrometers). These spectra are useful as a guide for selecting laser wavelengths for atmospheric propagation studies in this spectral region. In addition, this report provides attenuation coefficients for those lines of the CO, HF, DF, and CO2 laser systems which suffer the least atmospheric attenuation. A new aerosol model is introduced here, taking into account recent measurements of the complex index of refraction of aerosol particles. (Author).
Hydrodynamics Of Evaporating Aerosols Irradiated By Intense Laser Beams
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Author :
language : en
Publisher:
Release Date : 1985
Hydrodynamics Of Evaporating Aerosols Irradiated By Intense Laser Beams written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with categories.
An analysis is presented describing the interactions of atmospheric aerosols with a high-intensity laser beam propagating along an atmospheric path. For the case of moderate beam irradiances, diffusive mass transport and conductive energy transport dominate the aerosol-beam interactions. In this regime, the coupled aerosol-beam equations are solved numerically to obtain the spatic-temporal behavior of the propagating beam, and of the irradiated aerosols. For higher beam irradiances, convective transport of mass, energy and momentum away from the irradiated aerosols must be considered. The hydrodynamic equations are solved in the surrounding medium for this regime subject to appropriate ''jump conditions'' at the surface of the irradiated aerosol. Numerical examples illustrative of both regimes are given for the case of irradiated water aerosol droplets. 11 refs., 6 figs.
Effects Of High Power Laser Radiation
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Author : John Ready
language : en
Publisher: Elsevier
Release Date : 2012-12-02
Effects Of High Power Laser Radiation written by John Ready and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Technology & Engineering categories.
Effects of High-Power Laser Radiation describes the interactions between high-power laser beams and matter. This book is divided into eight chapters that particularly focus on interactions such as heating, melting, vaporization, and plasma production. The opening chapters examine the laser properties, types, measurement techniques, and safety aspects. The succeeding chapters deal with a variety of physical phenomena and mechanisms of laser-induced particle emission, as well as the initiation and development of gas breakdown phenomena. Other chapters explore the effects and damage of various interactions in transparent materials and on biological systems. The final chapter looks into the practical applications of the various laser effects to diverse technological fields. This book will prove useful to scientists interested in the physical phenomena of laser effects and engineers interested in practical applications of laser effects.
Atmospheric Effects On Low Power Laser Beam Propagation
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Author : T. W. Tuer
language : en
Publisher:
Release Date : 1980
Atmospheric Effects On Low Power Laser Beam Propagation written by T. W. Tuer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with categories.
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.
Atmospheric Transmission Of Laser Radiation
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Author : R. A. McClatchey
language : en
Publisher:
Release Date : 1978
Atmospheric Transmission Of Laser Radiation written by R. A. McClatchey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with LASER (Computer file) categories.
Optical Waves And Laser Beams In The Irregular Atmosphere
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Author : Nathan Blaunstein
language : en
Publisher: CRC Press
Release Date : 2017-09-22
Optical Waves And Laser Beams In The Irregular Atmosphere written by Nathan Blaunstein and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-09-22 with Computers categories.
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.
Atmospheric Attenuation Of Laser Radiation From 0 76 To 31 25 Micrometers
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Author : R. A. McClatchey
language : en
Publisher:
Release Date : 1974
Atmospheric Attenuation Of Laser Radiation From 0 76 To 31 25 Micrometers written by R. A. McClatchey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Aerosols categories.
High resolution atmospheric transmittance curves are presented for the spectral region 320 to 13,200/cm (0.7576 to 31.25 micrometers). These spectra are useful as a guide for selecting laser wavelengths for atmospheric propagation studies in this spectral region. In addition, this report provides attenuation coefficients for those lines of the CO, HF, DF, and CO2 laser systems which suffer the least atmospheric attenuation. A new aerosol model is introduced here, taking into account recent measurements of the complex index of refraction of aerosol particles. (Author)