Local error analysis arising from the conventional scalar approximation in wide optical fields

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dc.contributor.authorKülçe, Onuren_US
dc.contributor.authorOnural, Leventen_US
dc.coverage.spatialAntalya, Turkeyen_US
dc.date.accessioned2018-04-12T11:45:17Z
dc.date.available2018-04-12T11:45:17Z
dc.date.issued2017en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.descriptionDate of Conference: 15-18 May 2017en_US
dc.descriptionConference Name: IEEE 25th Signal Processing and Communications Applications Conference, SIU 2017en_US
dc.description.abstractThe scalar approximation which is used to represent the optical fields in free space causes large error in large angles due to the neglected longitudinal component of the vector electric field. A short space Fourier transform (STFT) based space-frequency analysis method is proposed to analyze the local error in wide extent optical fields. The error measure is quantitatively defined as the ratio of the local power of the longitudinal component to the local power of the total electric field. The error is analyzed on both parallel and tilted planes with respect to the display that produces the optical field. Moreover, a simulation result for a scalar wave that includes different frequency components at different locations shows that the local error becomes high at the locations where high frequency components exist. The proposed method can be used to analyze the local error, if the the scalar approximation is to be used for the optical field to be generated.en_US
dc.description.provenanceMade available in DSpace on 2018-04-12T11:45:17Z (GMT). No. of bitstreams: 1 bilkent-research-paper.pdf: 179475 bytes, checksum: ea0bedeb05ac9ccfb983c327e155f0c2 (MD5) Previous issue date: 2017en
dc.identifier.doi10.1109/SIU.2017.7960140en_US
dc.identifier.urihttp://hdl.handle.net/11693/37604
dc.language.isoTurkishen_US
dc.publisherIEEEen_US
dc.relation.isversionofhttp://dx.doi.org/10.1109/SIU.2017.7960140en_US
dc.source.titleProceedings of the IEEE 25th Signal Processing and Communications Applications Conference, SIU 2017en_US
dc.subjectOptical fieldsen_US
dc.subjectOptical wave propagationen_US
dc.subjectElectric fieldsen_US
dc.subjectSignal processingen_US
dc.subjectVector spacesen_US
dc.subjectWave propagationen_US
dc.subjectDifferent frequencyen_US
dc.subjectHigh frequency componentsen_US
dc.subjectLongitudinal componentsen_US
dc.subjectScalar approximationen_US
dc.subjectSpace-frequency analysisen_US
dc.subjectTotal electric fieldsen_US
dc.titleLocal error analysis arising from the conventional scalar approximation in wide optical fieldsen_US
dc.title.alternativeGeniş optik alanlarda geleneksel sayıl yaklaşım sonucunda oluşan bölgesel hatanın analizien_US
dc.typeConference Paperen_US

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Local error analysis arising from the conventional scalar approximation in wide optical fields [GenişOptik Alanlarda Geleneksel Sayil Yaklas im Sonucunda Oluşan Bölgesel Hatanin Analizi].pdf
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