Written in EnglishRead online
Includes bibliographical references and index.
|Statement||Vladimir P. Lukin, editor ; sponsored by SPIE Russia Chapter.|
|Series||SPIE proceedings series,, v. 4338, Proceedings of SPIE--the International Society for Optical Engineering ;, v. 4338.|
|Contributions||Lukin, V. P., Society of Photo-optical Instrumentation Engineers., Society of Photo-optical Instrumentation Engineers. Russian Chapter.|
|LC Classifications||QC975.2 .W38 2000|
|The Physical Object|
|Pagination||v, 216 p. :|
|Number of Pages||216|
|LC Control Number||2002280002|
Download Wave propagation in the atmosphere and adaptive optics
SPIE Press, - Technology & Engineering- pages 1Review Due to the wide application of adaptive optical systems, an understanding of optical wave propagation in 3/5(1). Author: Vladimir Petrovich Lukin Publisher: SPIE Press ISBN: Size: MB Format: PDF, ePub View: Get Books A study of atmospheric adaptive optics.
It covers: adaptive phase correction of optical wave distortions in random inhomogeneous media; enhancement of images transmitted through the atmosphere by methods of adaptive optics; and equations for the moment.
This book starts from the fundamentals of DFT's and diffraction theory. In an efficient manner, Jason takes these basics through to the core wave-optics methods for propagation within the atmosphere.
His succinct treatment of the subjects allows for quick, efficient reading, while Cited by: 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 Description 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.
A comprehensive model of laser propagation in the atmosphere with a complete adaptive optics ~AO. system for phase compensation is presented, and a corresponding computer program is compiled. A direct wave-front gradient control method is used to reconstruct the wave-front phase.
With the long. Publication Date: Personal Author: Tatarskii, V. Page Count: Abstract: Contents: Fundamental concepts of the theory of turbulence; Scattering of electromagnetic and sound waves in turbulent atmosphere; Line-of-sight propagation of short electromagnetic and sound waves in a turbulent atmosphere; Experimental data on the propagation of light, radio waves, and sound in a.
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.
These errors include: Hartmann sensing with extended Wave propagation in the atmosphere and adaptive optics book elongated laser guide stars, optical propagation effects through the optics and atmosphere, laser guide star (LGS) projection through the atmosphere, deformable mirror (DM) and wave front sensor (WFS) misregistration, and calibration for non-common path errors.
In systems that achieve laser beam propagation through atmospheric turbulence by phase compensation with adaptive optics, the performance depends on the beacon’s spatial distribution. A formulation is obtained to calculate the anisoplanatic Strehl ratio of a phase compensated, focused beam for any beacon distribution and turbulence profile.
Get this from a library. Optics in atmospheric propagation and adaptive systems III: September,Florence, Italy. [Anton Kohnle; John D Gonglewski; Università di Firenze. Dipartimento di scienze della terra.; Society of Photo-optical Instrumentation Engineers.;].
Get this from a library. Optics in atmospheric propagation and adaptive systems: SeptemberParis, France. [Anton Kohnle; Society of Photo-optical Instrumentation Engineers.; Centre national d'études spatiales (France); SPIE Digital Library.;].
Modeling the propagation of shock waves is a major problem for studies of wave propagation in the atmosphere because of the exponential Wave propagation in the atmosphere and adaptive optics book of the wave amplitude during the vertical propagation. The waves generated by pulse sources at the ground can have shock wave characteristics upon reaching the upper layers of the atmosphere.
This paper proposes a new. adaptive optics, whereby aberrations are corrected using a dynamic element, such as a deformable mirror.1 This technology was originally conceived for the compensation of the aberrating e ects of the atmosphere and was rst developed for military and astronomical telescopes.
Adaptive optics systems have also been introduced for other. We describe an experimental adaptive optics system that consists of a beam-steering and a higher-resolution wave-front correction unit with a actuator MEMS piston-type deformable mirror.
Contents: (1) Introduction. (2) Basic considerations and concepts: diffraction and optical transfer; coherence, Van Cittert-Zernike theorem.
(3) Wave propagation through the atmosphere: statistics of index of refraction fluctuations; mutual intensity of a wave disturbed by turbulence; structure functions; the instantaneous optical transfer function.
(4) Single frame analysis: data collection. The methods of adaptive optics and fundamentals of the theory of adaptive systems are examined, with particular attention given to the analysis of light field distortions and evaluation of the efficiency of adaptive optics systems operating in atmospheric conditions.
Topics discussed include the structure of adaptive optics systems; adaptive telescopes, interferometers, and resonators. The split-step Fourier-transform algorithm for numerical simulation of wave propagation in a turbulent atmosphere is refined to correctly include the effects of large-scale phase fluctuations that are important for imaging problems and many beam-wave problems such as focused laser beams and beam spreading.
The results of the improved algorithm are similar to the results of the traditional. Adaptive optics (AO) is a technique that removes the atmospheric disturbance and allows a telescope to achieve diffraction-limited imaging from the ground.
This is critical in achieving the maximum S/N given in equation (1).The basic idea of AO is to first measure the amount of atmospheric disturbance, then correct for it before the light reaches the camera.
Atmospheric effects predictive analysis via in-situ measurements and characterization. Advanced atmospheric sensing techniques including optical sensors, lidars for atmospheric profiling, local nodal meteorological sensors, and radio and acoustic sounding sensors.
Air–sea–land interactions and their impact on optical wave propagation. 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.
Numerical Simulation Of Optical Wave Propagation With wave optics simulation is an immensely useful tool for many applications the simulation techniques in this book are directly applicable to atmospheric imaging astronomy adaptive optics free space optical numerical simulation of optical wave propagation is solely dedicated to wave optics.
The performance of two prominent laser beam projection system types is analyzed through wave-optics numerical simulations for various atmospheric turbulence conditions, propagation distances, and. Adaptive optics (AO) is a technology used to improve the performance of optical systems by reducing the effect of incoming wavefront distortions by deforming a mirror in order to compensate for the distortion.
It is used in astronomical telescopes and laser communication systems to remove the effects of atmospheric distortion, in microscopy, optical fabrication and in retinal imaging systems.
Since the study of propagation through atmospheric and oceanic phenomena is a rapidly developing field of research, this forum expedites collaboration and cultivates a multidisciplinary exchange of information designed to expand our understanding of the full complexity and interactions of distributed volume effects, drawing upon the most recent.
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High-speed wave-optics simulations based on GPU/CUDA technology Predictive numerical analysis of atmospheric optical systems is commonly performed using the Monte-Carlo technique.
The Monte-Carlo approach requires numerical integration of the wave propagation equations in an optically inhomogeneous medium such as the atmosphere to be repeated hundreds of times and results in.
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Optics is the branch of physics which involves the behavior and properties of light, including its interactions with matter and the construction of instruments that use or detect it. ()resources related to Optics. A low-frequency inertial atmospheric gravity wave (AGW) event was studied with lidar (° N, ° E), meteor radar (° N, ° E), and TIMED/SABER at Beijing on 30 May Lidar measurements showed that the atmospheric temperature structure was persistently perturbed by AGWs propagating upward from the stratosphere into the mesosphere (35–86 km).
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laser guide stars, optical propagation e ects through the optics and atmosphere, laser guide star (LGS) pro jection through the atmosphere, deformable mirror (DM) and w a v efron t sensor (WFS) misregistration, and calibration for non-common path errors.
The co de ma y b e run in either a w a v e optics or geometric propagation mo de to allo w the. Adaptive optics systems consists of three main components: a wave front corrector to compensate for the distortion, a wave front sensor to measure distortion, and a control system to calculate the required correction and necessary shape to apply to the corrector.