Imaging through turbulence. ([2018?])

• Record Type: Book
• Further Information: Note: Michael C. Roggemann, Byron M. Welsh.
• Authors: Roggemann, Michael C; Welsh, Byron
• Contents: Cover Page; Half Title; Title Page; Copyright; Contents; Preface; 1 Introduction; 1.1 Overview of the problem area; 1.2 Historical overview of imaging through turbulence; 1.2.1 Recognition of turbulence effects; 1.2.2 Understanding turbulence effects on wave propagation and imaging systems; 1.2.3 Speckle imaging; 1.2.4 Adaptive optics; 1.2.5 Hybrid approaches; 1.3 Overview of the book; 2 Background: Fourier and Statistical Optics; 2.1 Introduction; 2.2 Fourier optics; 2.2.1 Scalar diffraction theory; 2.2.2 Lenses; 2.2.3 Coherent image formation 2.2.4 Frequency domain analysis of coherent imaging2.2.5 Incoherent image formation; 2.2.6 Frequency domain analysis of incoherent imaging; 2.3 Statistical optics; 2.3.1 Temporal and spatial coherence; 2.3.2 Semi-classical model for the photoelectric light detection process; 3 Turbulence Effects on Imaging Systems; 3.1 Introduction; 3.2 Index of refraction fluctuations in the atmosphere; 3.3 Statistics of index of refraction fluctuations; 3.4 Wave propagation through random media; 3.4.1 Layered model for turbulence; 3.4.2 Derivation of the pupil field spatial correlation function 3.4.3 Temporal and anisoplanatic effects3.5 Firstâ#x80;#x94;order turbulence effects on incoherent imaging; 3.5.1 Thin screen turbulence model; 3.5.2 Long exposure imaging through a random medium; 3.5.3 Long exposure OTF; 3.5.4 Short exposure imaging through atmospheric turbulence; 3.6 Modal expansions of the phase perturbation; 3.6.1 Zernike polynomials; 3.6.2 Karhunen-LoÃv̈e expansion; 3.7 Phase screen generation; 3.7.1 Phase Screen Generation Approach; 3.7.2 Covariance expression required for generating the phase over a grid of points; 3.7.3 Phase screen generation using a Zernike polynomial basis 4 Speckle Imaging Techniques4.1 Introduction; 4.2 Overview of speckle imaging.; 4.3 Speckle interferometry; 4.3.1 Speckle transfer function; 4.3.2 Signal-to-noise ratio considerations; 4.3.3 Example of speckle interferometry; 4.4 Fourier phase estimation techniques; 4.4.1 Knox-Thompson, or cross spectrum technique.; 4.4.2 Bispectrum technique; 4.5 Image reconstruction for speckle imaging; 4.6 Conclusion.; 5 Adaptive Optical Imaging Systems; 5.1 Introduction; 5.2 Factors that degrade AOI system performance; 5.2.1 WFS light levels and anisoplanatism 5.2.2 Finite pupil sampling and system temporal response5.2.3 Summary; 5.3 Adaptive optical system components and models; 5.3.1 Deformable mirrors; 5.3.2 Wavefront sensors; 5.4 AOI system performance modeling; 5.4.1 Performance metrics; 5.4.2 Residual wavefront phase statistics; 5.4.3 Role of Î#x93;ϵ and Dϵ in the computation of the performance metrics; Summary; 5.4.4 Computing Î#x93;ϵ; 5.4.5 Atmospheric phase statistics; 5.4.6 Getting results; 5.4.7 Fundamental AOI system performance results; 5.4.8 Examples of AOI system performance calculations; 5.5 Summary; 6 Hybrid Imaging Techniques
• Publisher Details: Boca Raton : CRC Press
• Publication Date: 2018
• Extent: 1 online resource, illustrations
• Subjects: 621.36/7; Imaging systems; Atmospheric turbulence; Optics, Adaptive; Speckle; Atmospheric turbulence; Imaging systems; Optics, Adaptive; Speckle; Adaptive Optik; Atmosphärische Turbulenz; Speckle-Interferometrie; TECHNOLOGY & ENGINEERING / Mechanical; Electronic books; Electronic books
• Languages: English
• ISBNs: 9781351439305; 1351439308; 9780203751282; 0203751280
• Related ISBNs: 9780849337871; 0849337879
• Notes: Note: Includes bibliographical references and index.
• Access Rights: Legal Deposit; Only available on premises controlled by the deposit library and to one user at any one time; The Legal Deposit Libraries (Non-Print Works) Regulations (UK).
• Access Usage: Restricted: Printing from this resource is governed by The Legal Deposit Libraries (Non-Print Works) Regulations (UK) and UK copyright law currently in force.