<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-09-17T15:57:48Z</responseDate><request verb="GetRecord" identifier="oai:gredos.usal.es:10366/151263" metadataPrefix="dim">https://gredos.usal.es/oai/request</request><GetRecord><record><header><identifier>oai:gredos.usal.es:10366/151263</identifier><datestamp>2025-04-30T21:59:27Z</datestamp><setSpec>com_10366_4829</setSpec><setSpec>com_10366_4843</setSpec><setSpec>col_10366_135563</setSpec></header><metadata><dim:dim xmlns:dim="http://www.dspace.org/xmlns/dspace/dim" xmlns:doc="http://www.lyncode.com/xoai" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.dspace.org/xmlns/dspace/dim http://www.dspace.org/schema/dim.xsd">
<dim:field mdschema="dc" element="contributor" qualifier="advisor" lang="es_ES" authority="2088" confidence="600" orcid_id="">Plaja Rustein, Luis</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="advisor" lang="es_ES" authority="840" confidence="600" orcid_id="">Conejero Jarque, Enrique</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="ae5d16ae-376e-4756-b76d-3224478304e2" confidence="500" orcid_id="">Pérez Martín, MIllán</dim:field>
<dim:field mdschema="dc" element="date" qualifier="accessioned">2022-12-13T15:47:49Z</dim:field>
<dim:field mdschema="dc" element="date" qualifier="available">2022-12-13T15:47:49Z</dim:field>
<dim:field mdschema="dc" element="date" qualifier="issued">2022-07</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="uri">http://hdl.handle.net/10366/151263</dim:field>
<dim:field mdschema="dc" element="description" lang="es_ES">Trabajo de fin de Grado. Grado en Física. Curso académico 2021-2022.</dim:field>
<dim:field mdschema="dc" element="description" qualifier="abstract" lang="es_ES">[ES]En este trabajo se estudia la propagación de la luz a través de medios de índice de refracción no uniforme en el formalismo de la óptica geométrica de forma analítica y se desarrolla un método numérico aproximado para obtener la trayectoria de los rayos de luz en dichos medios. Este método se aplica al caso concreto de una lente de gradiente de índice fuera de la aproximación paraxial.</dim:field>
<dim:field mdschema="dc" element="description" qualifier="abstract">[EN]In this work the propagation of light through non-uniform refractive index media is studied in the geometrical optics formalism in an analytical way. An approximate numerical method is developed to obtain the trajectory of light rays in such media. This method is applied to the concrete case of an index gradient lens outside the paraxial approximation</dim:field>
<dim:field mdschema="dc" element="format" qualifier="mimetype">application/pdf</dim:field>
<dim:field mdschema="dc" element="language" qualifier="iso" lang="es_ES">spa</dim:field>
<dim:field mdschema="dc" element="rights" lang="*">Attribution-NonCommercial-NoDerivatives 4.0 Internacional</dim:field>
<dim:field mdschema="dc" element="rights" qualifier="uri" lang="*">http://creativecommons.org/licenses/by-nc-nd/4.0/</dim:field>
<dim:field mdschema="dc" element="rights" qualifier="accessRights" lang="es_ES">info:eu-repo/semantics/openAccess</dim:field>
<dim:field mdschema="dc" element="subject" lang="es_ES">medios no homogéneos</dim:field>
<dim:field mdschema="dc" element="subject" lang="es_ES">óptica geométrica</dim:field>
<dim:field mdschema="dc" element="subject" lang="es_ES">ecuaciones propagación del rayo</dim:field>
<dim:field mdschema="dc" element="subject" lang="es_ES">integración numérica</dim:field>
<dim:field mdschema="dc" element="subject" lang="es_ES">inhomogeneous media</dim:field>
<dim:field mdschema="dc" element="subject" lang="es_ES">geometrical optics</dim:field>
<dim:field mdschema="dc" element="subject" lang="es_ES">ray equations</dim:field>
<dim:field mdschema="dc" element="subject" lang="es_ES">numerical integration</dim:field>
<dim:field mdschema="dc" element="subject" qualifier="unesco" lang="es_ES">2209.06 Óptica Geométrica</dim:field>
<dim:field mdschema="dc" element="title" lang="es_ES">Propagación de la luz en medios de índice de refracción no uniforme.</dim:field>
<dim:field mdschema="dc" element="type" lang="es_ES">info:eu-repo/semantics/bachelorThesis</dim:field>
</dim:dim></metadata></record></GetRecord></OAI-PMH>