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Wednesday, July 29, 2020 | History

5 edition of Optics in atmospheric propagation and adaptive systems IV found in the catalog.

Optics in atmospheric propagation and adaptive systems IV

18-20 September, 2001, Toulouse, France

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Published by SPIE in Bellingham, Wash .
Written in English

    Subjects:
  • Radio wave propagation -- Remote sensing -- Congresses.,
  • Imaging systems -- Congresses.,
  • Atmospheric turbulence -- Congresses.,
  • Meteorological optics -- Congresses.

  • Edition Notes

    Includes bibliographic references and author index.

    StatementAnton Kohnle, John D. Gonglewski, Thomas J. Schmugge, chairs ; sponsored and published by SPIE--the International Society for Optical Engineering ; cooperating organizations, EOS--European Optical Society ... [et al.].
    GenreCongresses.
    SeriesSPIE proceedings series,, v. 4538, Proceedings of SPIE--the International Society for Optical Engineering ;, v. 4538.
    ContributionsKohnle, Anton., Gonglewski, John D., Schmugge, Thomas J., Society of Photo-optical Instrumentation Engineers., European Optical Society.
    Classifications
    LC ClassificationsQC665.T7 O6772 2002
    The Physical Object
    Paginationvii, 222 p. :
    Number of Pages222
    ID Numbers
    Open LibraryOL3583202M
    ISBN 100819442631
    LC Control Number2002280425
    OCLC/WorldCa49496342

      ISBN: OCLC Number: Notes: "Conference on Optics in Atmospheric Propagation and Adaptive Systems IV"--Page vii. Description. We present results of simultaneous measurements of atmospheric parameters using a SCIDAR instrument and the Calar Alto ALFA adaptive optics (AO) system. First results indicated that SCIDAR measurements can indeed be useful for selecting appropriate closed-loop settings of an AO system. We will further establish this assumption by presenting the fully reduced data sets showing the time series.

    Adaptive Laser Compensation for Aero-Optics and Atmospheric Disturbances Matthew R. Whiteley∗ MZA Associates Corporation, Dayton, OH , U.S.A. J. S. Gibson† University of California, Los Angeles, CA , U.S.A. Performance of adaptive optics (AO) compensation for beam control is quantified via. Optics in Atmospheric Propagation and Adaptive Systems VI Product Description: Proceedings of SPIE present the original research papers presented at SPIE conferences and other high-quality conferences in the broad-ranging fields of optics and photonics.

    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. Atmospheric optics is the study of optical effects induced by the atmosphere on light propagating from distant sources. Of particular concern to astronomers is atmospheric turbulence, which limits the performance of ground-based telescopes. The past two decades have seen remarkable growth in the capabilities and performance of adaptive optics (AO) systems.


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Optics in atmospheric propagation and adaptive systems IV Download PDF EPUB FB2

Adaptive optics. This section concludes with a chapter by Professors Zou and Wattellier, who study the adaptive optics ability to compensate wavefronts and spot shapes caused by thermal effects in a high peak power laser.

Section 3 is devoted to adaptive optics and the human eye. Dr Doble provides a. Get this from a library. Optics in atmospheric propagation and adaptive systems IV: September,Toulouse, France. [Anton Kohnle; John D Gonglewski; Thomas J Schmugge; Society of Photo-optical Instrumentation Engineers.; European Optical Society.;].

Design of a mobile adaptive optics system for ground-level applications Author(s): A. Robert Weiss Show Abstract. Get this from a library.

Optics in atmospheric propagation and adaptive systems XIV: 20 SeptemberPrague, Czech Republic. [Karin Stein; John D Gonglewski; SPIE (Society); European Optical Society.; Remote Sensing and Photogrammetry Society.;].

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.

Optics in Atmospheric Propagation and Adaptive Systems XI Editor(s): Anton Kohnle ; Karin Stein ; John D. Gonglewski For the purchase of this volume in printed format, please visit   Radio Propagation and Adaptive Antennas for Wireless Communication Networks, 2nd Edition, presents a comprehensive overview of wireless communication system design, including the latest updates to considerations of over-the-terrain, atmospheric, and ionospheric communication features include the latest experimentally-verified stochastic approach, based on.

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.

The system optimizes the optical signal that could be coupled into a single-mode fiber after propagating along a km near-horizontal atmospheric path.

We investigate characteristics of the performance metric under different atmospheric conditions and evaluate the effect of the adaptive system. SPIE Digital Library Proceedings. 24 July Analysis of turbulent atmospheric anisoplanatism influence on adaptive optics system over horizontal path.

Get this from a library. Optics in atmospheric propagation and adaptive systems II: SeptemberLondon, UK. [Anton Kohnle;]. turbulence in the propagation channel. The atmospheric attenuation results from the interaction of the laser beam with air molecules and aerosols along the propagation.

The main effects on optical wireless communication are absorption, scattering, and scintillation [7]. Receiver. Atmospheric Propagation IV.

Editor(s): Cynthia Y. Young; G. Charmaine Gilbreath. Studies of atmospheric propagation in the maritime environment at NRL Author(s): Closed-loop field conjugation using decentralized multi-conjugate adaptive optics Author(s). The book discusses digital Fourier transforms (FT), FT-based operations, multiple methods of wave-optics simulations, sampling requirements, and simulations in atmospheric turbulence.

This book will benefit optical scientists and engineers at all levels as a guide for FT-based data analysis, imaging system analysis, and wave-optics simulations. 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.

We study the noise propagation for MultiConjugate Adaptive Optics (MCA)) systems working with Shack-Hartmann wavefront sensors (WFS). Two approaches are considered to control the deformable mirrors using WFS data: a classical Least Square approach and a Maximum A Posteriori (MAP) estimator.

Analytical results, based on a Fourier transform analysis, allow us to study and quantify the. During a period of more than 20 years we have performed successively the investigations of the effect of low- frequency spectral range of atmospheric turbulence on the optical characteristics.

The influence of the turbulence models as well as an outer scale of turbulence on the characteristics of telescopes and systems of laser beam formations. Remote Sensing of Clouds and the Atmosphere XVIII: Optics in Atmospheric Propagation and Adaptive Systems XVI ().pdf writen by Adolfo Comeron, Karin Stein, John Gonglewski: Proceedings of SPIE present the original research papers presented at.

Numerical simulation of laser beam propagation on space-to- ground and ground-to-space paths is carried out.

The simulation is performed for different C n 2 height profile models in dependence on atmospheric turbulence strength. Atmospheric turbulence severely degrades the performance of ground-to-satellite optical links. Atmospheric and Oceanic Propagation of Electromagnetic Waves IV.

Editor(s): The effects of phase diffuser on scintillations of laser radiation for long-distance propagation in the atmosphere Author(s): Wave optics simulation of Gaussian Schell-model vortex beam propagation in turbulence: intensity and scintillation analysis.

This approximation simplifies the analysis of the impact of atmospheric turbulence in the case of CBC systems. The primary factor here is D, which represents the whole aperture of thea CBC system can be considered as a type of partially coherent single aperture laser system with an effective aperture depending on the ratio D/r a limiting case in which the .Journal of Astronomical Telescopes, Instruments, and Systems Journal of Biomedical Optics Journal of Electronic Imaging Journal of Medical Imaging Journal of Micro/Nanolithography, MEMS, and MOEMS Journal of Nanophotonics Journal of Optical Microsystems Journal of.

We touch on most of the above-mentioned areas of Atmospheric Optics in this Field Guide, but some only briefly. As in the first edition, our treatment of Atmospheric Optics concentrates more heavily on the propagation of optical waves through optical turbulence and the mathematical models used to describe this phenomenon.