Numerical simulation of optical wave propagation through random media

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dc.contributor.authorPack, Jeong-Kien
dc.contributor.committeechairde Wolf, David A.en
dc.contributor.committeememberBesieris, loannis M.en
dc.contributor.committeememberBrown, Gary S.en
dc.contributor.committeememberPoon, Ting-Chungen
dc.contributor.committeememberKohler, Werner E.en
dc.contributor.departmentElectrical Engineeringen
dc.date.accessioned2018-03-26T19:29:17Zen
dc.date.available2018-03-26T19:29:17Zen
dc.date.issued1988en
dc.description.abstractThe propagation of optical plane waves through a one-dimensional Gaussian phase screen and a two-dimensional Gaussian extended medium are simulated numerically, and wave statistics are calculated from the data obtained by the numerical simulation. For instantaneous realization of a random medium, a simplified version of the random-motion model [77] is used, and for wave-propagation calculation the wave-kinetic numerical method and/or the angular-spectral representation of the Huygens-Fresnel diffraction formula are used. For the wave-kinetic numerical method, several different levels of approximations are introduced, and the region of validity of those approximations is studied by single-realization calculations. Simulation results from the wave-kinetic numerical method are compared, either with those from the existing analytical expressions for the phase-screen problem, or with those from the Huygens-Fresnel diffraction formula for the extended-medium problem. Excellent agreement has been observed. Extension to two-dimensional media with the power-law spectrum or three-dimensional problems is straight-forward. We may also deal with space-time correlations using, for example, Taylor's frozen-in hypothesis.en
dc.description.degreePh. D.en
dc.format.extentix, 168 leavesen
dc.format.mimetypeapplication/pdfen
dc.identifier.urihttp://hdl.handle.net/10919/82642en
dc.language.isoen_USen
dc.publisherVirginia Polytechnic Institute and State Universityen
dc.relation.isformatofOCLC# 19043206en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V856 1988.P324en
dc.subject.lcshScattering (Physics)en
dc.subject.lcshWavesen
dc.titleNumerical simulation of optical wave propagation through random mediaen
dc.typeDissertationen
dc.type.dcmitypeTexten
thesis.degree.disciplineElectrical Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.leveldoctoralen
thesis.degree.namePh. D.en

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