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Scintillations of partially coherent multiple Gaussian beams in turbulence

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dc.contributor.author Baykal, Yahya
dc.contributor.author Eyyuboğlu, Halil T.
dc.contributor.author Cai, Yangjian
dc.date.accessioned 2016-05-03T07:36:30Z
dc.date.available 2016-05-03T07:36:30Z
dc.date.issued 2009-04-01
dc.identifier.citation Baykal, Y., Eyyuboğlu, H.T., Cai, Y. (2009). Scintillations of partially coherent multiple Gaussian beams in turbulence. Applied Optics, 48(10), 1943-1954. http://dx.doi.org/10.1364/AO.48.001943 tr_TR
dc.identifier.issn 1559-128X
dc.identifier.uri http://hdl.handle.net/20.500.12416/963
dc.description.abstract For an incidence composed of partially coherent multiple Gaussian beams, Huygens-Fresnel principle-based on-axis scintillation index is formulated in a weakly turbulent homogeneous horizontal atmospheric path. Our general formulation is applied to two examples of partially coherent annular and partially coherent flat-topped Gaussian beams. Compared to partially coherent single Gaussian beam scintillations, annular beam scintillations seem to possess higher values for all partial coherence levels, whereas flat-topped Gaussian beam intensity fluctuations are slightly larger, especially at lower coherence levels and at larger source sizes. At the same source partial coherence, annular beams exhibit smaller scintillations for larger ring sizes. For flat-topped Gaussian beams, except for very small and very large source sizes, as the number of Gaussian beams forming the flatness increases, intensity fluctuations also increase, a trend applicable for different degrees of coherence. A trend valid for both single and multiple Gaussian incidence, except for certain annular beams of large primary beam sizes, is that the scintillations decrease as the source becomes less coherent. Being applicable for all degrees of source coherences, for both beams examined, scintillations increase steadily as the Rytov plane wave scintillation index increases tr_TR
dc.language.iso eng tr_TR
dc.publisher Optical Soc Amer tr_TR
dc.relation.isversionof 10.1364/AO.48.001943 tr_TR
dc.rights info:eu-repo/semantics/closedAccess
dc.subject Weak Atmospheric-Turbulence tr_TR
dc.subject Laser Array Beams tr_TR
dc.subject Intensity Fluctuations tr_TR
dc.subject Optical Communication tr_TR
dc.subject Different Wavelengths tr_TR
dc.subject Annular Beams tr_TR
dc.subject Rytov Method tr_TR
dc.subject Propagation tr_TR
dc.subject Index tr_TR
dc.subject Model tr_TR
dc.title Scintillations of partially coherent multiple Gaussian beams in turbulence tr_TR
dc.type article tr_TR
dc.relation.journal Applied Optics tr_TR
dc.contributor.authorID 7812 tr_TR
dc.contributor.authorID 7688 tr_TR
dc.identifier.volume 48 tr_TR
dc.identifier.issue 10 tr_TR
dc.identifier.startpage 1943 tr_TR
dc.identifier.endpage 1954 tr_TR
dc.contributor.department Çankaya Üniversitesi, Mühendislik Fakültesi, Elektronik ve Haberleşme Mühendisliği tr_TR


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