{"id":28929,"date":"2018-03-09T09:21:50","date_gmt":"2018-03-09T09:21:50","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/zonas-de-fresnel-en-un-medio-grin-y-estructura-ha%c2%adbrida-placa-zonal-medio-grin\/"},"modified":"2018-03-09T09:21:50","modified_gmt":"2018-03-09T09:21:50","slug":"zonas-de-fresnel-en-un-medio-grin-y-estructura-ha%c2%adbrida-placa-zonal-medio-grin","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/santiago-de-compostela\/zonas-de-fresnel-en-un-medio-grin-y-estructura-ha%c2%adbrida-placa-zonal-medio-grin\/","title":{"rendered":"Zonas de fresnel en un medio grin y estructura h\u00edbrida placa zonal-medio grin"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Rivas Moscoso Jos\u00e9 Manuel <\/strong><\/h2>\n<p>En esta memoria abordamos la caracterizaci\u00f3n  te\u00f3rica y experimental de estructuras h\u00edbridas compuestas por una placa zonal y un medio de gradiente de \u00edndice (grin) con variaci\u00f3n axial y transversal del \u00edndice de refracci\u00f3n y la generalizaci\u00f3n de las zonas de fresnel y las placas zonales a medios inhomog\u00e9neos, obteni\u00e9ndose la estructura h\u00edbrida citada anteriormente como caso particular.  estos dos objetivos b\u00e1sicos se desarrollan en los cuatro cap\u00edtulos de que consta esta memoria. Comenzamos el estudio con las bases te\u00f3ricas en que se asientan la propagaci\u00f3n de luz en medios inhomog\u00e9neos y la construcci\u00f3n de placas zonales en el espacio libre. Utilizando estos resultados, el cap\u00edtulo 2 se dedica al an\u00e1lisis de la propagaci\u00f3n de luz no uniforme y uniforme en una estructura h\u00edbrida formada por una placa zonal situada a la entrada de un medio grin. Se estudia la evoluci\u00f3n de los \u00f3rdenes de difracci\u00f3n a lo largo del medio y sus irradiancias y se establece la analog\u00eda entre el sistema h\u00edbrido y la ley de las lentes. El cap\u00edtulo concluye con el an\u00e1lisis de algunas consideraciones que afectan a los sistemas reales, como son la iluminaci\u00f3n fuera de eje, la limitaci\u00f3n transversal y el poder de resoluci\u00f3n del sistema.  en el cap\u00edtulo 3 dividimos un frente de onda parab\u00f3lico que se propaga libremente dentro de un medio inhomog\u00e9neo en zonas tales que la contribuci\u00f3n de zonas sucesivas a la perturbaci\u00f3n en un punto de observaci\u00f3n situado sobre el eje \u00f3ptico se encuentre en oposici\u00f3n de fase. Calculamos los radios y \u00e1reas de estas zonas y la contribuci\u00f3n de la suma de un n\u00famero de ellas a la perturbaci\u00f3n total en un punto de observaci\u00f3n. Para terminar, nos ocupamos de la definici\u00f3n de las placas zonales en medios grin y de los patrones de difracci\u00f3n que estas producen. Establecemos adem\u00e1s la analog\u00eda con la ecuaci\u00f3n de las lentes, notando que conservan el comportamiento multifocal que ya presentaban en<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Zonas de fresnel en un medio grin y estructura h\u00edbrida placa zonal-medio grin<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Zonas de fresnel en un medio grin y estructura h\u00edbrida placa zonal-medio grin <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Rivas Moscoso Jos\u00e9 Manuel <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Santiago de compostela<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 28\/02\/2004<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Carlos Gomez Reino Carnota<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: pedro Andr\u00e9s bou <\/li>\n<li>Manuel Mart\u00ednez corral (vocal)<\/li>\n<li>Jos\u00e9 Antonio D\u00edaz navas (vocal)<\/li>\n<li>Carlos Rodriguez fernandez-pousa (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Rivas Moscoso Jos\u00e9 Manuel En esta memoria abordamos la caracterizaci\u00f3n te\u00f3rica y experimental de estructuras h\u00edbridas compuestas [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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