Educational software for interference and optical diffraction analysis in Fresnel and Fraunhofer regions based on MATLAB GUIs and the FDTD method

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Title: Educational software for interference and optical diffraction analysis in Fresnel and Fraunhofer regions based on MATLAB GUIs and the FDTD method
Authors: Francés, Jorge | Pérez Molina, Manuel | Bleda, Sergio | Fernandez-Varo, Helena | Neipp, Cristian | Beléndez, Augusto
Research Group/s: Holografía y Procesado Óptico | GITE - Física, Óptica y Telecomunicaciones
Center, Department or Service: Universidad de Alicante. Departamento de Física, Ingeniería de Sistemas y Teoría de la Señal | Universidad de Alicante. Departamento de Óptica, Farmacología y Anatomía | Universidad de Alicante. Instituto Universitario de Física Aplicada a las Ciencias y las Tecnologías
Keywords: Diffraction | Education | Finite-difference method | Optics | Virtual laboratory
Knowledge Area: Física Aplicada | Óptica | Matemática Aplicada | Teoría de la Señal y Comunicaciones
Date Created: 2-Aug-2010
Issue Date: 3-Feb-2012
Publisher: IEEE
Citation: FRANCÉS MONLLOR, Jorge, et al. "Educational software for interference and optical diffraction analysis in Fresnel and Fraunhofer regions based on MATLAB GUIs and the FDTD method". IEEE Transactions on Education. Vol. 55, No. 1 (2012). ISSN 0018-9359, pp. 118-125
Abstract: Interference and diffraction of light are elementary topics in optics. The aim of the work presented here is to develop an accurate and cheap optical-system simulation software that provides a virtual laboratory for studying the effects of propagation in both time and space for the near- and far-field regions. In laboratory sessions, this software can let optical engineering undergraduates simulate many optical systems based on thin slits. The numerical method used is the finite-difference time-domain (FDTD) method that has been successfully applied in many engineering fields. Using this numerical method, the irradiance distribution can be successfully evaluated in different planes far from the simulation grid without degrading performance. In addition, an easy-to-use MATLAB GUI handles all the parameters of the FDTD simulation and computes theoretical values of irradiance for both the Fresnel and Fraunhofer regions. Therefore, by using this software, the student is able to analyze the behavior of the Fresnel and Fraunhofer expressions as a function of the distance. This distance is defined as the space between the slits plane and the plane that contains the virtual screen on which the irradiance pattern is represented.
Sponsor: This work was supported by the Ministerio Ciencia e Innovación of Spain under Projects FIS2008–05856-C02–01 and FIS2008–05856-C02–02, the Generalitat Valenciana of Spain under Project PROMETEO/2011/021, and by the University of Alicante under Projects GRE09–10 and GITE-09006-UA.
URI: http://hdl.handle.net/10045/20615
ISSN: 0018-9359
DOI: 10.1109/TE.2011.2150750
Language: eng
Type: info:eu-repo/semantics/article
Rights: © Copyright 2012 IEEE
Peer Review: si
Publisher version: http://dx.doi.org/10.1109/TE.2011.2150750
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Docencia - Ciencias - Otros
Docencia - Ingeniería y Arquitectura - Otros
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