Polar Phase Screens - A Comparison with Other Methods of Random Phase Screen Generation (Paperback)

Random phase screens are essential elements of simulating light propagation through turbulent media. In order to be e ective, they must accurately re-ect theory and be implementable by the user. This document explains and evaluates three methods of generating random phase screens: using a Fourier series upon a polar frequency grid with logarithmic spacing; using the fast Fourier transform, with its cartesian frequency grid; and using Zernike polynomials. It provides a comparison of the polar Fourier series technique with the two more common techniques (fast Fourier transform and Zernike), with the end result of giving the users enough information to choose which method best ts their needs. The evaluation criteria used are generation time (usability) and phase structure function (accuracy).

General

Imprint:	Biblioscholar
Country of origin:	United States
Release date:	October 2012
First published:	October 2012
Authors:	Rebecca J Eckert
Dimensions:	246 x 189 x 4mm (L x W x T)
Format:	Paperback - Trade
Pages:	80
ISBN-13:	978-1-249-59379-9
Categories:	Books > Social sciences > Education > General
LSN:	1-249-59379-4
Barcode:	9781249593799

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