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Field guide to atmospheric optics / Larry C. Andrews

By: Contributor(s): Resource type: Ressourcentyp: Buch (Online)Book (Online)Language: English Series: SPIE field guides ; 02Publisher: Bellingham, Wash. <1000 20th St. Bellingham WA 98225-6705 USA> : SPIE, 2004Description: 1 online resource (xiv, 96 p. : ill.)ISBN:
  • 9780819478177
  • 0819453188
  • 9780819453181
Other title:
  • Atmospheric optics
Subject(s): Additional physical formats: 0819453188. | 9780819453181. | Available in another form: No title DDC classification:
  • 551.565
  • 551.56/5 22
LOC classification:
  • QC975.2
DOI: DOI: 10.1117/3.549260Online resources: Additional physical formats: Also available in print version.Summary: The material in this Field Guide includes a review of classical Kolmogorov turbulence theory, Gaussian-beam waves in free space, and atmospheric effects on a propagating optical wave. These atmospheric effects have great importance in a variety of applications like imaging, free space optical communications, laser radar, and remote sensing. This Guide presents tractable mathematical models from which the practitioner can readily determine beam spreading, beam wander, spatial coherence radius (Fried's parameter), angle of arrival fluctuations, scintillation, aperture averaging effects, fade probabilities, bit error-rates, and enhanced backscatter effects, among othersSummary: Atmospheric propagation : fourth-order statistics -- Rytov approximation : fourth-order specializations -- Scintillation index : theory -- Scintillation index : plane wave -- Scintillation index : spherical wave -- Scintillation index : Gaussian-beam wave -- Covariance function : plane wave -- Temporal power spectrum : plane wave -- Aperture averaging : plane wave -- Aperture averaging : spherical wave -- Example -- Imaging systems and adaptive optics -- Fried's atmospheric parameter and Greenwood's time constant -- Point spread function and modulation transfer function -- Spatial resolution -- Strehl ratio and image resolving power -- Isoplanatic angle and point-ahead angle -- Zernike polynomials and wave front representation -- Zernike polynomials for atmospheric imaging -- Modal expansion and aperture filter functions -- Zernike tilt, piston, and angle-of arrival jitter -- Free space optical communication systems -- Direct detection system -- Threshold detection -- Signal-to-noise ratio : direct detection -- Bit error rate -- Coherent detection system -- Signal-to-noise ratio : coherent detection -- Probability of fade : lognormal model -- Probability of fade : gamma-gamma modelSummary: Glossary of symbols -- Atmospheric structure -- Atmospheric structure with altitude -- Absorption and scattering -- Transmittance, optical depth, and visibility -- Meteorological phenomena -- Kolmogorov theory of turbulence -- Classical turbulence -- Velocity fluctuations -- Temperature fluctuations -- Optical turbulence -- Structure parameter and inner scale -- C2n profile models -- Power spectrum models -- Optical wave models in free space -- Paraxial wave equation -- Plane wave and spherical wave models -- Gaussian-beam wave at transmitter -- Gaussian-beam wave at receiver -- Hermite-Gaussian beam wave -- Laguerre-Gaussian beam wave -- Example -- Atmospheric propagation : second-order statistics -- Rytov approximation -- Extended Huygens-Fresnel principle -- Parabolic equation method -- Mean irradiance and beam spreading -- Beam wander -- Spatial coherence radius : plane wave -- Spatial coherence radius : spherical wave -- Spatial coherence radius : Gaussian-beam wave -- Fried's parameter and the phase structure function -- Angle-of-arrival and image jitter -- Example -- ExampleSummary: Lasersatcom : mean irradiance and beam spreading -- Lasersatcom : uplink scintillation under weak fluctuations -- Lasersatcom : downlink scintillation under weak fluctuations -- Lasersatcom : general theory for uplink/downlink scintillation -- Lasersatcom : general theory for downlink covariance and correlation width -- Laser radar and optical remote sensing -- Basic radar principles -- Statistical characteristics of echo beam -- Enhanced backscatter : spherical wave -- Enhanced backscatter : Gaussian-beam wave -- Spatial coherence -- Scintillation index : spherical wave and point target -- Scintillation index : Gaussian-beam wave and point target -- Scintillation index : smooth target -- Scintillation index : diffuse target-I -- Scintillation index : diffuse target-II -- Appendix. Equation summary -- Notes -- Bibliography -- IndexPPN: PPN: 1018188908Package identifier: Produktsigel: ZDB-50-SPI
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